HERE IS ALL THE C CODE I CREATED

 [04-03-2025 16:54] Salim Shaikh: #include<stdio.h>

int main()

{

    int a,b;

    printf("enter valuve of a:");

    scanf("%d",&a);

    printf("enter valuve of b:");

    scanf("%d",&b);

    printf("addition of both is:%d", a+b);

    return 0;

    

}

[05-03-2025 16:13] Salim Shaikh: #include<stdio.h>

int main()

{

    int age;

     printf("enter number:");

     scanf("%d",&age);

     

    if (age>18)

    {

        printf("you can give your vote\n");

    }


    else

    {

        printf("you can not give vote\n");

     }


     printf("thankyou");

     

    return 0;


}

[05-03-2025 16:37] Salim Shaikh: #include<stdio.h>

int main()

{

    int age;

     printf("enter number:");

     scanf("%d",&age);

     

    if (age>=18)

    {

        printf("COLLEGE BOYES \n");

    }


    else if(age>8 && age<18)

    {

        printf("Scholl boy\n");

     }

     else

     {

        printf(" LKG TO UKG BOY\n");

     }


     printf("thankyou");


        return 0;


}

[05-03-2025 21:27] Salim Shaikh: #include<stdio.h>

int main()

{

    int num;

     printf("enter number:");

     scanf("%d",&num);

     

    if (num>=0)

    {

        printf("positiv number \n");

        

        if (num % 2==0 )

            {

                printf("given number is EVENn\n ");

            

            }

        else

            {

                 printf("given number is ODD\n ");

            }

    }


    else

    {

        printf("given number is NEGATIV\n ");


        if(num % 2==0)

        {

            printf("given number is EVEN\n ");

        }

        

        else

        {

            printf("given number is ODD\n ");

        }


    }


     printf("thankyou\n ");


        return 0;


}

[05-03-2025 21:34] Salim Shaikh: #include<stdio.h>

int main()

{

    int num;

     printf("enter number:");

     scanf("%d",&num);

     

    if (num>=0)

    {

        printf("positiv number ");

        

        if (num % 2==0 )

            {

                printf("  and its  EVEN number ");

            

            }

        else

            {

                 printf("  and its ODD number ");

            }

    }


    else

    {

        printf("given number is NEGATIV ");


        if(num % 2==0)

        {

            printf("  and its EVEN number ");

        }

        

        else

        {

            printf("  and  its ODD number ");

        }


    }


     printf("\nthankyou ");


        return 0;


}

[09-03-2025 15:23] Salim Shaikh: #include<stdio.h>

int main()

{

    int age;

    printf("Enter your yage:");

    scanf("%d",&age);

    age>=18? printf("voter"):printf("not voter");

    return 0;


}

[09-03-2025 15:41] Salim Shaikh: #include<stdio.h>

int main()

{

    int Day;

    printf("enter days 1 to 7:");

    scanf("%d",&Day);



    switch(Day)

    {


        case 1: printf("monday\n");

            break;

        case 2: printf("tusday\n");

            break;

        case 3: printf("wednasdyt\n");

            break;

        case 4: printf("Thirsday\n");

            break;

        case 5: printf("friday\n");

            break;

        case 6: printf("saturday\n");

            break;

        case 7: printf("Sunday\n");

            break;

        default : printf(" Not day\n");

    }

    return 0;


}

[12-03-2025 20:26] Salim Shaikh: #include<stdio.h>

int main()

{

    int n;

    printf("Enter num:");

    scanf("%d",&n);


    int sum=0;

    

    for( int i=1; i<=n; i++)


    {

        sum = sum+i;


        



    }


    printf("%d\n",sum);


    return 0;

}

[12-03-2025 21:01] Salim Shaikh: #include<stdio.h>

int main()

{

    int n;

    printf("Enter num:");

    scanf("%d",&n);


    int sum=0;

    

    for( int i=1 , j=n ; 1<=n && j>=1; i++,j--)


    {

        sum=sum+j;

        printf("%d\n",j);


        



    }


    printf("sum is: %d\n",sum);

  


    return 0;

}

[13-03-2025 10:24] Salim Shaikh: #include<stdio.h>

int main()

{

   

    int a,b,c;

    

    printf("entur num 1:\n");

    printf("entur num 2:\n");

    printf("entur num 3:\n");


    scanf("%d",&a);

    scanf("%d",&b);

    scanf("%d",&c);


    printf("valuve of A:%d\n",a);

    printf("valuve of B:%d\n",b);

    printf("valuve of C:%d\n",c);


    


    if(a>=b && a>=c)              // 1>=2 and 1>=3      f && f =f

    {

        printf("a is greter\n");


    }


    else if(b>=a && b>=c)            // 2>=1 and 2>=3

    {

        printf("b is greter\n");


    }


    else{

        printf("c is greter\n");

    }

    

    


    return 0;

}

[13-03-2025 10:45] Salim Shaikh: #include<stdio.h>

int main()

{

    int day;

    printf("Enter day 1 to 7:");

    scanf("%d",&day);


    switch(day)

    {

        case 1:printf("sunday");

        break;


             case 2:printf("Monday");

             break;


             case 3:printf("tusday");

             break;


             case 4:printf("wednesday");

             break;


             case 5:printf("thirsday");

             break;


             case 6:printf("friday");

             break;


             case 7:printf("saturday");

             break;


             default:printf("not day");

             break;




    }

}

[13-03-2025 10:51] Salim Shaikh: //ternary operator_________________________________


#include<stdio.h>

int main()

{

    int age;

    printf("Enter your age:");

    scanf("%d",&age);


    age>=18? printf("you are voter"):printf("not voter");

    return 0;


}

[13-03-2025 11:40] Salim Shaikh: //


#include<stdio.h>

int main()

{

    int n;

    printf("N:");

    scanf("%d",&n);


    int i=0;

    while(i<=n)

    

    {

        printf("%d\n",i);

        i++;

    }

    

    return 0;


}

[13-03-2025 11:49] Salim Shaikh: //


#include<stdio.h>

int main()

{

    int n;

    printf("N:");

    scanf("%d",&n);


    int i=0;

    while( i<=n)

    

    {

        printf("hello world\n");

        i++;

    }

    

    return 0;


}

[13-03-2025 14:14] Salim Shaikh: // 


#include<stdio.h>

int main()

{

    int n;

    printf("Enter any value get table any table:");

    scanf("%d",&n);

    


    int i=1;

    while( i<=10)

    

    {

        printf("%d\n",i*n);

        i++;

    }

    

    return 0;


}

[13-03-2025 14:16] Salim Shaikh: // Enter ant value get any table__________________________


#include<stdio.h>

int main()

{

    int n;

    printf("Enter any value get table any table:");

    scanf("%d",&n);

    


    int i=1;

    while( i<=10)

    

    {

        printf("%d\n",i*n);

        i++;

    }

    

    return 0;


}

[13-03-2025 15:01] Salim Shaikh: // odd num until inpunt when get value even __________________________


#include<stdio.h>

int main()

{

    int n;


    do{

        printf("Enter number:");

        scanf("%d",&n);

        printf("even num:%d\n",n);


        

        if( n%2 !=0)

        {

            break;

        }

        

    } while(1);


    printf("Thankyou so much");

    

    

    

    return 0;


}

[13-03-2025 15:22] Salim Shaikh: // odd num btween 5 to 50 __________________________


#include<stdio.h>

int main()

{

    for(int i=5; i<=50; i++)

    {

        if( i%2==0)

        {

            continue;

        }

        printf("%d\n",i);

    }


    

    

    

    

    return 0;


}

[13-03-2025 16:02] Salim Shaikh: // Factorial numbers check __________________________


#include<stdio.h>

int main()

{

   int n;

   

   printf("Enter factorial num:");

   

   scanf("%d",&n);

    

   int fac=1;

   

    for(int i=1; i<=n; i++)

   {

     

     fac=fac*i;


    

   }

   printf("%d\n",fac);

    

    

    

    

    return 0;


}

[13-03-2025 16:12] Salim Shaikh: // Revars table check __________________________


#include<stdio.h>

int main()

{

   int n;

   

   printf("Enter factorial num:");

   

   scanf("%d",&n);

    

   int fac=n;

   

    for(int i=10; i>=1; i--)

   {

     

     


     printf("%d\n",fac*i);

   }

   

    

    

    

    

    return 0;


}

[13-03-2025 16:21] Salim Shaikh: // sum of all 5 to 50 num includind 5&50 __________________________


#include<stdio.h>

int main()

{

   //nt n;

   

   //printf("Enter factorial num:");

   

   //scanf("%d",&n);

    

   int sum=0;

   

    for(int i=5; i<=50; i++)

   {

     

     sum = sum+i;


     

   }

   printf("%d\n",sum);

   

    

    

    

    

    return 0;


}

[15-03-2025 10:00] Salim Shaikh: #include<stdio.h>


void printHello();         // function decleration 


int main()

{

    printHello();          // calling function 

    printHello();          

    printHello();

    return 0;         


}


void printHello()

{

    printf("Hello!\n");

}

[15-03-2025 10:04] Salim Shaikh: #include<stdio.h>


void printHello();         // function decleration 


int main()

{

    printHello();          // calling function 

    printHello();          

    printHello();

    return 0;         


}


void printHello()           // function definetion

{

    printf("Hello!\n");

}

[15-03-2025 10:25] Salim Shaikh: // Useing Function 



#include<stdio.h>

   

void printHello();             //first function decleration

void printGoodbye();           // second function decleration 



int main()                     //calling function

{

    printHello();

    printGoodbye();

    return 0;

}



void printHello()                // dfination function

{

    printf("Hello Salim bro\n");

}



void printGoodbye()             // defination function

{

    printf("Goodbye Salim bro\n");


}

[15-03-2025 10:31] Salim Shaikh: // Useing Function 



#include<stdio.h>

   

void Namaste();             //first function decleration

void Salim();           // second function decleration 



int main()                     //calling function

{

    Namaste();

    Salim();

    return 0;

}



void Namaste()                // dfination function

{

    printf("Namaste\n");

}



void Salim()             // defination function

{

    printf("Salim\n");


}

[15-03-2025 10:50] Salim Shaikh: // Useing Function 



#include<stdio.h>

   

void namaste();

void bonjour();


int main()

{

    printf("Enter for french and i for india:");

    

    char ch;

    scanf("%c",&ch);


    if(ch=='i')

    {

        namaste();

    }

    else

    {

        bonjour();

    }

    return 0;

}


void namaste()

{

    printf("Namaste\n");

}

void bonjour()

{

    printf("Bonjour\n");

}

[15-03-2025 12:00] Salim Shaikh: // sum in function___________________________



#include<stdio.h>

   

int num(int a, int b);


int main()

{

    int a, b;

    

    printf("Enter first  num:");

    scanf("%d",&a);

    printf("Enter second num :");

    scanf("%d",&b);


    int S=num(a,b);

    printf("sum is:%d\n",S);

    return 0;


}


int num(int x, int y)

{

    return x+y;

}

[19-03-2025 17:37] Salim Shaikh: // sum in function___________________________



#include<stdio.h>

   

int fact(int n);


int main(){

        

    printf("factorial is :%d\n",fact(5));

    return 0;


    }




    int fact(int n)

     {

        if( n==1)

        {

            return 1;


        }


        int num1=fact( n-1);


        int num=num1*n;


        return num;


     }

[30-03-2025 08:36] Salim Shaikh: ///Temp_converting_________________________


#include<stdio.h>



float convertTemp(float celsius);



int main()

{

    float far= convertTemp(0);

    printf("far: %f",far);

    return 0;

}






float convertTemp(float celsius)

{

    float far=celsius*(9/5)+32;

    return far;

}

[30-03-2025 08:48] Salim Shaikh: ///input Temp_and converting in float _________________________


#include<stdio.h>



float convertTemp(float celsius);



int main()

{

    float n;

    printf("enter far value:");

    scanf("%f",&n);

    float far= convertTemp(n);

    printf("far: %f",far);

    return 0;

}






float convertTemp(float celsius)

{

    float far=celsius*(9/5)+32;

    return far;

}

[30-03-2025 09:18] Salim Shaikh: ///Masur student persentage 3 sub __________________




#include<stdio.h>

 float calculetMarks(float sci, float maths ,float hindi);


 int main()

{

    float sci=93;

    float maths=99;

    float hindi=90;


    printf("your marks is:%f\n",calculetMarks( sci, maths, hindi));

    

    return 0;

}


float calculetMarks(float sci, float maths, float hindi)

{


    return ((sci + maths + hindi )/3);

}

[30-03-2025 10:23] Salim Shaikh: // input fibonacci series__________________




#include<stdio.h>


int fib(int n);


int main()

{

    int a;

    printf("Enter fibonacci series number:");

    scanf("%d",&a);

    printf(" fibonacci series is :%d",fib(a));

    return 0;

    

}


int fib(int n)

{

    if(n==0){

        return 0;                         // return direct fib(n)

    }

    if(n==1){                            // return direct fib(n)

        return 1;                        

    }

    

    int fibN= fib(n-1)+fib(n-2);

    return fibN;                        //return direct fib(n)

}

[30-03-2025 10:44] Salim Shaikh: // input sum of two diguts four times find in from function



#include<stdio.h>


int addi(int a, int b);


int main()

{

    int a=2;

    int b=30;

    printf("%d\n",addi(a,b));

    printf("%d\n",addi(a,b));

    printf("%d\n",addi(a,b));

    printf("%d\n",addi(a,b));



}


int addi(int a, int b)

{

    int sumN=a+b;

 //   printf("%d\n",sumN);

    return sumN;

}

[30-03-2025 10:56] Salim Shaikh: // input sum of two diguts four times find in from function



#include<stdio.h>


int addi(int a, int b);


int main()

{

    int a;

    int b;


    printf("Enter num 1:\n");

    scanf("%d",&a);

    printf("\nEnter num 2:\n");

    scanf("%d",&b);


    printf(" addition of two num is:%d\n",addi(a,b));



}


int addi(int a, int b)

{

    int sumN=a+b;

 //   printf("%d\n",sumN);


    return sumN;

}

[30-03-2025 11:16] Salim Shaikh: //square root input in function


#include<stdio.h>


int square_root(int a);


int main()

{

    int a;

    printf("Enter number:");

    scanf("%d",&a);

    printf("%d\n",square_root( a));

    printf("d")




}


int square_root(int a)

{

    return a*a;

}

[30-03-2025 12:03] Salim Shaikh: //chek temprratur __________________________


#include<stdio.h>


void cold();

void hot();



int main()

    {

        char a;


        printf("Enter charector:");

        scanf("%c",&a);




        if(a=='h'|| a=='c')

    

        {

            if(a=='c')

        {

            cold();

        }


        if(a=='h') {

            hot();

         

        }

    }


        else

        {

            printf("not any temp");

        }


        

    }

        

        




    


        

        void hot()

        {

        printf("Hot");


        }

        void cold()

        {

        printf("cold");

        }

[04-04-2025 23:33] Salim Shaikh: #include<stdio.h>

int main()

{

    int ptr=18;

    int *age =&ptr;

   

    printf("ptr:%d\n",ptr);

    printf("*age:%  d\n",*age);


    int **x = &age;

    printf("*x:%d\n",*x);


    return 0;

    

   

    

    

    





}

[04-04-2025 23:52] Salim Shaikh: //pointer to pointre geting i valuve using ptp____________________________


#include<stdio.h>

int main()

{

    int i=10;

    int *ptr=&i;

    int **pptr=&ptr;

    printf("*ptptr:%d\n",*pptr);

    return 0;

    

   

    

    

    





}

[04-04-2025 23:54] Salim Shaikh: //pointer to pointre geting i valuve using ptp____________________________


#include<stdio.h>

int main()

{

    int i=10;

    int *ptr=&i;

    int **pptr=&ptr;

    int ***x=&pptr;

    printf("x:%d\n",**x);

    return 0;

    

   

    

    

    





}

[05-04-2025 00:31] Salim Shaikh: //function code squring from call function ____________________________




#include<stdio.h>

int  square(int n);

int main()

{

    int n =2;

    //int num=4;

    square(n);

    printf("number is :%d\n",n);

    printf(" valuve of n is :%d\n",n);

    return 0;


}


int  square(int n)

{

     

     n=n*n;

    printf("square is:%d\n",n);

    return n;

}

[05-04-2025 01:03] Salim Shaikh: //pointer to pointre geting i valuve using ptp____________________________


#include<stdio.h>

void square(int n);

void _square(int* n);

int main()

{

    int num=4;

    square(num);

    printf("number is :%d\n",num);


    _square(&num);

    


}


void square(int n)

{

     n=n*n;

    printf("square is :%d\n",n);

}


void _square(int* n)

{

    n=(*n)(*n);

    printf("num square address is:%d\n",*n);

    

}

[05-04-2025 11:26] Salim Shaikh: swap in function or pointer __________________________________

[05-04-2025 11:26] Salim Shaikh: //swaping value using pointer __________________________________________


#include<stdio.h>

void swap(int a, int b);

void _swap(int *a, int *b);



int main()

{

    int x=10, y=20;


    


    swap(x,y);

    printf(" swap only x and y  before x: 10 and after x:%d\n & before y:20 and after y:%d\n\n\n",x,y);


    _swap(&x,&y);

    printf(" address swap  of x and y  before x:10 and after x:%d & before y:20 and after y:%d\n\n\n",x,y);


    


    return 0;

}



void swap(int a, int b)

{

    int t=a;

    a=b;

    b=t;

    printf(" value  of x and y before a:10 and after a:%d &   before b:20 and after b:%d\n\n\n",a,b);

}




void _swap(int *a, int *b)

{

    int t=*a;

    *a=*b;

    *b=t;

    printf("  address of  x and y before *a=10 and after *a:%d & before b:20 and after b:%d\n\n\n",a,b);

}

[05-04-2025 11:52] Salim Shaikh: //address in pointr function________________________


#include<stdio.h>



void printaddress(int n);


int main()

{

    int n=10;

    printf("value of n is:%d\n\n",n);


    printf("address of n:%d\n\n",&n);

    printaddress(n);

    return 0;



}




void printaddress(int n)

{

    printf("address of n :%p or  second address of n:%u\n\n ",n,n);

    printf("value of n is :%d\n\n",n);

}

[05-04-2025 11:57] Salim Shaikh: //address in pointr function________________________


#include<stdio.h>



void printaddress(int *n);


int main()

{

    int n=10;

    printf("value of n is:%d\n\n",n);


    printf("address of n:%d\n\n",&n);

    printaddress(&n);

    return 0;



}




void printaddress(int *n)

{

    

    printf("value of  n address  is :%d\n\n",n);

}

[05-04-2025 11:58] Salim Shaikh: //address in pointr function________________________


#include<stdio.h>



void printaddress(int *n);


int main()

{

    int n=10;

    printf("value of n is:%d\n\n",n);


    printf("address of n:%d\n\n",&n);

    printaddress(&n);

    return 0;



}




void printaddress(int *n)

{

    

    printf("value of  n address  is :%d\n\n",&n);

    printf("value of n is:%d\n\n",*n);

}

[05-04-2025 12:04] Salim Shaikh: //address in pointr function________________________


#include<stdio.h>



void printaddress(int *n);


int main()

{

    int n=10;

    printf("value of n is:%d\n\n",n);


    printf("address of n:%d\n\n",&n);

    printaddress(&n);

    return 0;



}




void printaddress(int *n)

{

    

    printf("value of  n address  is :%d\n\n",&n);

    printf("value of n is:%u\n\n",*n);

    printf("valuve of address other form:%u andn %p\n\n",n,n);

}

[05-04-2025 12:53] Salim Shaikh: Addess of pointer basic understanding________________________________________________________

[05-04-2025 12:53] Salim Shaikh: //address in pointr basic ________________________


#include<stdio.h>


int main()

{

    int age=18;                                     // 18 is age  but it is  address other not be 18 in age 

    int *ptr=&age;                                 //age value(18) stored on ptr not address but it (he stored in ptr  form of address)

    int **pptr=&ptr;                               //




    printf("address in age :%d\n\n",&age);           // address in age 

    printf("address :%d\n\n",&age);                 // address of age (&)

    printf(" age valuve in ptr  %d\n\n ",*ptr);    //in value ptr (to form of address in age )

    printf("address of ptr:%d\n\n",&ptr);         // only address of ptr 

    printf("ptr value in pptr :%d\n\n"*pptr);  // in value pptr (to form of address in ptr )   it use name (pointer to pointre)

    printf("address of pptr:%d\n\n",&pptr);     //address of pptr


    return 0;


}

[05-04-2025 14:35] Salim Shaikh: //sum product and avrege ________________________


#include<stdio.h>



void calculet(int a, int b, int *sum, int *prod, int *avg);


int main()

{

    int x=10,y=20;

    int sum,prod,avg;

    calculet(x, y, &sum, &prod, &avg);


    printf("sum:%d, prod:%d, avg:%d",sum,prod,avg);

}




void calculet(int a, int b, int *sum, int *prod, int *avg)

{

    

    *sum=a+b;

    *prod=a*b;

    *avg=(a+b)/2;


}

[05-04-2025 15:03] Salim Shaikh: btween two maximun number in function_______________________________________________________

[05-04-2025 15:03] Salim Shaikh: #include<stdio.h>

void maximum(int a, int b);



int main()

{

    int a,b;

    printf("enter a:");

    scanf("%d",&a);

    printf("enter b:");

    scanf("%d",&b);

    printf("a:%d,b:%d\n\n",a,b);

    maximum(a,b);


    return 0;





}




 void maximum(int a, int b)

  {

    if(a>b)

    {

        printf("maximun number is a");

    }


    else

    {

        printf("maximum number is b");

    }

 }

[05-04-2025 15:09] Salim Shaikh: // maximum number btween two munbers in pointer___________________________________


#include<stdio.h>

void maximum(int *a, int *b);



int main()

{

    int a,b;

    printf("enter a:");

    scanf("%d",&a);

    printf("enter b:");

    scanf("%d",&b);

    printf("\na:%d,b:%d\n\n",a,b);

    maximum(&a,&b);

 

    


    return 0;





}




 void maximum(int *a, int *b)

  {

    if((*a)>(*b))

    {

        printf("maximun number is a");

    }


    else

    {

        printf("maximum number is b");

    }

 }

[05-04-2025 15:20] Salim Shaikh: A to Z alphabets code using for loop_______________________________________________________________

[05-04-2025 15:20] Salim Shaikh: // A to Z alphabets code in c_________________________________


#include<stdio.h>

int main()

{

    char letter;

    for(letter='A'; letter<='Z';letter++)

    {

        printf("%c\n",letter);

    }

    return 0;

}

[05-04-2025 21:40] Salim Shaikh: //give 3 any price from user and include tax_________________________________



#include<stdio.h>


int main()

{

    float price[3];

    printf("Enter 3 price:");

    scanf("%f",&price[0]);

    scanf("%f",&price[1]);

    scanf("%f",&price[3]);


  printf("total price 1=%f   ,total price 3=%f   ,total price 3=%f" ,price[0]+(price[0]*0.18),price[1]+(price[0]*0.18),price[2]+(price[0]*0.18));

return 0;


}

[05-04-2025 23:34] Salim Shaikh: pointer use in arry__________________________________________________

[05-04-2025 23:34] Salim Shaikh: #include<stdio.h>

int main()

{

    int aadhar[6];


    int *ptr=&aadhar[0];

    //input 

    for( int i=0;i<=5;i++)

    {

        


        printf("%d index=",i);

        scanf("%d",(ptr+i));

        

    }

    //output


    for(int i=0; i<=5; i++)

    {

        printf(" %d index=%d\n",i,*(ptr+i));

    }

    

         

    

    return 0;

}

[05-04-2025 23:39] Salim Shaikh: using arry and find aadhar ____________________________________________________

[05-04-2025 23:39] Salim Shaikh: #include<stdio.h>

int main()

{

    int aadhar[6];


    

    //input 

    for( int i=0;i<=5;i++)

    {

        


        printf("%d index=",i);

        scanf("%d",&aadhar[i]);

        

    }

    //output


    for(int i=0; i<=5; i++)

    {

        printf(" %d index=%d\n",i,aadhar[i]);

    }

    

         

    

    return 0;

}

[06-04-2025 00:42] Salim Shaikh: array____________________________________

[06-04-2025 00:42] Salim Shaikh: #include<stdio.h>


void printnum(int arr[], int n);

int main()

{

    int arr[]={1,2,3,4,5,6};

    printnum( arr,6);


  

}


void printnum(int arr[], int n)

{

for(int i=0; i<=n; i++)

{

    printf("%d\t",arr[i]);

}

}

[06-04-2025 00:52] Salim Shaikh: #include<stdio.h>


void printnum(int arr[], int n);

int main()

{

    int arr[]={1,2,3,4,5,6};

    printnum( &arr,5);


  

}




void printnum(int arr[], int n)

{

    for(int i=0; i<n; i++)

{

    printf("%d\t",*(arr+i));

}

}

[06-04-2025 11:04] Salim Shaikh: count in array odd numbers___________________________________________

[06-04-2025 11:04] Salim Shaikh: #include<stdio.h>


int  printnum(int arr[], int n);


int main()

{

    int arr[]={1,2,3,4,5,6,7,8,9};

    printf("odd number in array:%d\n",printnum(arr,6));


    return 0;


  

}




int  printnum(int arr[], int n)

{

    int count = 0;

    for(int i=0; i<n; i++)

    {

      if(arr[i] % 2 !=0)

     {

        count++;

     }

    

    }

    return count;

}

[06-04-2025 11:16] Salim Shaikh: position of arry increase__________________________________________________

[06-04-2025 11:16] Salim Shaikh: #include<stdio.h>




int main()

{

    int arr[]={1,2,3,4,5,6,7,8,9};



   printf("%d\n",*(arr+2));         //arr+2=3 in arr[] [2nd position]


   printf("%d\n",*(arr+5));         


   printf("%d\n",*(arr+8)); 


   printf("%d\n",*(arr+9));        


    return 0;


  

}

[06-04-2025 12:56] Salim Shaikh: Reverse array_____________________________________________________

[06-04-2025 12:56] Salim Shaikh: #include<stdio.h>

void printarr(int arr[] ,int n);

void  reversearr(int arr[], int n);


int main()

{

    int arr[]={1,2,3,4,5};

    printf("array:\t%d\t%d\t%d\t%d\t%d\t\n\n\n",arr[0],arr[1],arr[2],arr[3],arr[4]);


    reversearr(arr,5);

    printarr(arr,5);


    return 0;

    

}



void printarr(int arr[] ,int n)

{

    printf("revr:\t");

    for(int i=0; i<n; i++)

    {

        printf("%d\t",arr[i]);

    }

    printf("\n");

}


void reversearr(int arr[], int n)

{

    for(int i = 0; i < n/2; i++)

    {

        int fval=arr[i];

        int sval=arr[n-i-1];


        arr[i]=sval;

        arr[n-i-1]=fval;


    }

}

[06-04-2025 14:49] Salim Shaikh: Fibonacci series array__________________________________________

[06-04-2025 14:49] Salim Shaikh: #include<stdio.h>


int main()

{

    int n;

    printf("Entr n (n>2):");

    scanf("%d",&n);


    int fib[n];

    fib[0]=0;

    fib[1]=1;


    for(int i = 2; i<n; i++)

    {

        fib[i] = fib[i-1] + fib[i-2];


        printf("%d\t",fib[i]);

    }

    printf("\n");

    return 0;

    

}

[06-04-2025 15:51] Salim Shaikh: two Table in  2d array_______________________________________________________

[06-04-2025 15:52] Salim Shaikh: //Two tble in 2d array_______________________________


#include<stdio.h>


void pritable(int arr[][10], int n , int m ,int num);


int main()

{

     int table[2][10];




     pritable(table,0,10,2);

     pritable(table,1,10,3);




    for(int i=0; i<10; i++)

    {

        printf("%d\n",table[0][i]);

    }


    printf("\n\n");


    for(int i=0; i<10; i++)

    {

        printf("%d\n",table[1][i]);

    }



    

    return 0;

    

}


void pritable(int arr[][10], int n ,int m ,int num)

{

    for(int i=0; i<m; i++)

    {

        arr[n][i]=num*(i+1);

    }

}

[06-04-2025 17:00] Salim Shaikh: //string  input output _______________________________


#include<stdio.h>



int main()

{

    char str[100];                     

    fgets(str,100,stdin);             //input 

    puts(str);                       //output 

    return 0;

    

}

[06-04-2025 17:02] Salim Shaikh: //string  input output _______________________________


#include<stdio.h>



int main()

{

    char str[100];

    gets(str);             //input and its not safe becose not  size

    puts(str);            //output 

    return 0;

    

}

[24-04-2025 09:16] Salim Shaikh: //Leep year  ________________________________________________________________________________________________


#include<stdio.h>



int main()

{

    int year;

    printf("Enter year:");

    scanf("%d",&year);

    printf("your year is :%d\n",year);

    printf("year is:");


    if(year % 400==0 || (year % 4==0 & year % 100 !=0) )

    {

        printf(" leep year ");

    }


    else

    {

        printf("not leep year ");

    }


    return 0;

    

}

[27-05-2025 12:37] Salim Shaikh: //leep_year cheke_________________________________________


#include<stdio.h>


int main()


{ int Leep_year;

    printf("Enter year :");

    scanf("%d",&Leep_year);

    if ( Leep_year%400==0 || Leep_year%4==0  & Leep_year%100!=0) 

    {

        printf(" %d is Leep year" , Leep_year);

        


    }


    else

    {

        printf(" %d is not leep year", Leep_year);

    }


    //printf("leep year is : %d",Leep_year);

}

[28-05-2025 22:37] Salim Shaikh: // Leep year using function  _________________________________________


#include<stdio.h>

void print_val (int year);



int main ()

{

    int year;

    printf("enter year");

    scanf("%d",&year);

    print_val(year);


}


void print_val(int year)

{

    if (year%400==0 | (year%4==0 & year%100!=0) ) 

    {

        printf("Leep year ");

    }


    else 

    {

        printf("not leep year");

    }

}

[29-05-2025 09:29] Salim Shaikh: #include <stdio.h>


int main() {

    int num, i, isPrime = 1;


    printf("Enter a number: ");

    scanf("%d", &num);


    if (num <= 1) {

        isPrime = 0; // 0 and 1 are not prime numbers

    } else {

        for (i = 2; i < num; i++) {

            if (num % i == 0) {

                isPrime = 0; // Not prime

                break;

            }

        }

    }


    if (isPrime)

        printf("%d is a Prime Number.\n", num);

    else

        printf("%d is Not a Prime Number.\n", num);


    return 0;

}

[29-05-2025 14:13] Salim Shaikh: #include <stdio.h>


int main() 

    {

        int num, isPrime = 1;


        printf("Enter a number: ");

        scanf("%d", &num);


    

       

        

        for (int i = 2; i < num; i++) 

        {

            if (num % i == 0) 

            {

               // isPrime = 0; 

                printf("%d   prime number \n", num);

                break;

            }

            else

        printf("%d not  prime number\n", num);

        break;

        

        }


    //if (isPrime)

        //printf("%d is a Prime Number.\n", num);

    //else

       // printf("%d is Not a Prime Number.\n", num);


    return 0;

}

[29-05-2025 15:02] Salim Shaikh: //prime numbers in C____________________________________________________


#include <stdio.h>


int main() {

    int num, i, isPrime = 1;


    printf("Enter a number: ");

    scanf("%d", &num);


    if (num <= 1) 

    {

        isPrime = 0; // 0 and 1 are not prime numbers

    } 

    

    else 

    {

        for (i = 2; i < num; i++) 

        {

            if (num % i == 0)

            {

                isPrime = 0; // Not prime

                break;

            }

        }

    }


    if (isPrime)

    {

        printf("%d is a Prime Number.\n", num);

    }

    else

    {

        printf("%d is Not a Prime Number.\n", num);

    }

    return 0;

}

[29-05-2025 17:04] Salim Shaikh: //swap number _________________________________________________________________

[29-05-2025 17:04] Salim Shaikh: #include<stdio.h>

int main()

{

    int a , b ,c;

    printf("Enter number :");

    scanf("%d",&a);

    printf("Enter number :");

    scanf("%d",&b);

    

    

    printf("Befor  swaping a:%d\n",a);


    printf("Befor swaping  b : %d\n\n",b); 


    c=a;

    a=b;

    b=c;



    printf("After swaping a :%d\n",a); 

    printf("After swaping b :%d\n",b); 



    

}

[29-05-2025 17:54] Salim Shaikh: positive negative number ______________________________________________________

[29-05-2025 17:54] Salim Shaikh: #include<stdio.h>

int main()

{

    int num ;

    printf("Enter num:");

    scanf("%d",&num);


    if (num!=0)

    {


        if(num>=1)

        {

            printf("positive number");

        }


        else

        {

            printf("negative number");

        }

    }


   else

   {

    printf("zero number");

   }

    


    return 0;

}

[29-05-2025 18:29] Salim Shaikh: multipal number _________________________________________________

#include <stdio.h>


int main() 

{ int num ;

    


    do {

        printf("Enter num :");

        scanf("%d",&num);

        printf("%d\n",num);

        

        if(num %7==0)

        {

            break;

        }

    } while(1);

    

    return 0;

}

[30-05-2025 09:31] Salim Shaikh: #include <stdio.h>


int main() {

    int r, c;


    // Prompt user for matrix dimensions

    printf("Enter the number of rows: ");

    scanf("%d", &r);

    printf("Enter the number of columns: ");

    scanf("%d", &c);


    int a[r][c], b[r][c], sum[r][c];


    // Input elements for the first matrix

    printf("\nEnter elements of 1st matrix:\n");

    for (int i = 0; i < r; ++i)

        for (int j = 0; j < c; ++j) {

            printf("Enter element a%d%d: ", i + 1, j + 1);

            scanf("%d", &a[i][j]);

        }


    // Input elements for the second matrix

    printf("\nEnter elements of 2nd matrix:\n");

    for (int i = 0; i < r; ++i)

        for (int j = 0; j < c; ++j) {

            printf("Enter element b%d%d: ", i + 1, j + 1);

            scanf("%d", &b[i][j]);

        }


    // Add corresponding elements of both matrices

    for (int i = 0; i < r; ++i)

        for (int j = 0; j < c; ++j)

            sum[i][j] = a[i][j] + b[i][j];


    // Display the resulting matrix

    printf("\nSum of two matrices:\n");

    for (int i = 0; i < r; ++i) {

        for (int j = 0; j < c; ++j)

            printf("%d   ", sum[i][j]);

        printf("\n");

    }


    return 0;

}

[30-05-2025 11:16] Salim Shaikh: #include <stdio.h>


int main() {

    int r = 2, c = 3; // Predefined dimensions for simplicity


    // Declare matrices

    int a[2][3] = {{2, 3, 4}, {5, 2, 3}};

    int b[2][3] = {{-4, 5, 3}, {5, 6, 3}};

    int sum[2][3];


    // Add corresponding elements of both matrices

    for (int i = 0; i < r; ++i)

        for (int j = 0; j < c; ++j)

            sum[i][j] = a[i][j] + b[i][j];


    // Display the resulting matrix

    printf("Sum of two matrices:\n");

    for (int i = 0; i < r; ++i) {

        for (int j = 0; j < c; ++j)

            printf("%d   ", sum[i][j]);

        printf("\n");

    }


    return 0;

}

[16-06-2025 14:59] Salim Shaikh: NEW CODING START______________________________________________________________________________________________

[16-06-2025 14:59] Salim Shaikh: // cube and rectangle______________________________


#include<stdio.h>

int main()


{

  //set one homwork



    int l,b,n;

    printf("Enter lenth :");

    scanf("%d",&l);


    printf("\nEnter lenth :");

    scanf("%d",&b);


    printf("\nEnter lenth :");

    scanf("%d",&n);


    printf("\n area of reactangle is :%d\n",l*b);


    printf("%d cube is %d",n,n*n*n);


    


}

[22-06-2025 17:09] Salim Shaikh: // Table any 5______________________________________________________

[22-06-2025 17:09] Salim Shaikh: #include<stdio.h>

int main()

{

int a,b,c,d,e;


printf("Enter table :");

scanf("%d",&a);


printf("Enter table :");

scanf("%d",&b);


printf("Enter table :");

scanf("%d",&c);


printf("Enter table :");

scanf("%d",&d);


printf("Enter table :");

scanf("%d",&e);



for(int i=1; i<=10; i++)

{

  printf("%d\t%d\t%d\t%d\t%d\n",i*a,i*b,i*c,i*d,i*e);

}

}

[03-07-2025 18:47] Salim Shaikh: // Structur  in  C_________________________________________________

[03-07-2025 18:47] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student 

{

    int roll;

    float cgpa;

    char name[100];


};


int main()

{

    struct student s1;

    s1.roll=1516;

    s1.cgpa=9.4;

    // s1.name="Salim";

    strcpy(s1.name , "salim");



    printf("%d\n",s1.roll);

    printf("%f\n",s1.cgpa);

    printf("%s\n",s1.name);


    return 0;

}

[03-07-2025 19:34] Salim Shaikh: // two student information stored using structur_____________________________________

[03-07-2025 19:34] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student 

{

    int roll,age;

    float cgpa;

    char name[100];


    


};



int main()

{

    struct student s1;


    s1.roll=1;

    s1.age=19;

    s1.cgpa=9.2;

   strcpy(s1.name,"Salim shaikh");


    printf("student name : %s\n",s1.name);

    printf(" student age :%d\n",s1.age);

    printf("stuent roll nuber :%d\n",s1.roll);

    printf("student cgpa :%f\n",s1.cgpa);



    struct student s2;


    strcpy(s2.name, "Shahid shaikh");

    s2.cgpa=9.5;

    s2.roll=2;


    printf("\n\nstudent name  :%s\n",s2.name);

    printf("student cgpa :%f\n",s2.cgpa);

    printf("Student roll number :%d\n",s2.roll);

    


    return 0;

    

}

[03-07-2025 19:56] Salim Shaikh: //  student information stored using arry structur_____________________________________

[03-07-2025 19:59] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student

{

    int roll;

    float cgpa;

    char name[100];


};


int main()

{

    struct student male={47,9.4,"Salim shaikh"};


    printf("roll num  of student :%d\n\n",male.roll);

    printf("cgpa  of student :%f\n\n",male.cgpa);

    printf("name of student :%s\n\n",male.name);

}

[03-07-2025 20:25] Salim Shaikh: pointer in structure arry_______________________________________________

[03-07-2025 20:25] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student 

{

    int roll;

    float cgpa;

    char name[100];


};


int main ()

{

    struct student s1={47,9.4,"Salim shaikh"};

    

  

   

    printf(" roll num :%s\n",s1.name);


    

    struct student *ptr=&s1;


   


    printf(" roll num :%s",(*ptr).name);


}

[03-07-2025 22:04] Salim Shaikh: structure arry using pointer and arrow operator_____________________________________________

[03-07-2025 22:04] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student {

    int roll;

    float cgpa;

    char name[200];


};


int main()

{

    struct student s1={47,9.4,"Salim shaikh"};


    struct student *ptr=&s1;


    printf("with ptr :%d\n",(*ptr).roll);


    printf(" with -> :%s",ptr->name);

    

}

[03-07-2025 22:33] Salim Shaikh: function use create structure ________________________________________

[03-07-2025 22:33] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student 

{

    int age;

    float per;

    char coll[100];


};


void printinfo(struct student s1);


int main()

{

    struct student s1={19,96.98,"RMD"};

    struct student s2={5,50.5,"shahin"};

    printinfo(s1);


}


void printinfo(struct student s1)

{

    printf(" age :%d\n",s1.age);

    printf("%f\n",s1.per);

    printf("college :%s\n",s1.coll);

}

[03-07-2025 23:09] Salim Shaikh: two stdent information using structure function and arry

[03-07-2025 23:09] Salim Shaikh: two stdent information using structure function and arry______________________________

[03-07-2025 23:10] Salim Shaikh: #include<stdio.h>

#include<string.h>


struct student 

{

    int age;

    float per;

    char coll[100];


};


void salim(struct student s1);

void shahid(struct student s2);


int main()

{

    struct student s1={19,96.98,"RMD"};

    struct student s2={17,90.98,"jay bharat"};

    salim(s1);

    shahid(s2);

}


void salim(struct student s1)

{

    printf("Salim shaikh");

    printf(" age :%d\n",s1.age);

    printf("persentage :%f\n",s1.per);

    printf("college :%s\n",s1.coll);

}


void shahid(struct student s2)

{

    printf("\n\nShahid shaikh");

    printf(" age :%d\n",s2.age);

    printf("persentage :%f\n",s2.per);

    printf("college :%s\n",s2.coll);

}

[04-07-2025 12:34] Salim Shaikh: sir and one student info usin Structur ________________________________________________________

[04-07-2025 12:34] Salim Shaikh: #include<stdio.h>


struct student 

{

  char name[100],college[100],branch[100];

  int age ,roll, fees;

  float cgpa;

};


struct teacher

{

  char nam[100],col[100],subjec[100];

  int ages , students ,sallerys;

  float avg_und_stde;

  

};


int main()

{

  struct teacher t1={"vk sir","RMD","maths",42,60,5000000,8.5};

 




  printf("\n\nname :%s\t collage name :%s\t subject :%s\n\n",t1.nam,t1.col,t1.subjec);


  printf("Age :%d\t number of student :%d\t Sallery :%d\t avg lectur understand this student :%f\n\n\n\n",t1.ages,t1.students,t1.sallerys,t1.avg_und_stde);



  struct student s1={"Salim shaikh","RMD","CS" ,19,47,60000,9.4};



  printf("name of student :%s\t collage name of student :%s\t branch of student :%s\n\n",s1.name,s1.college,s1.branch);


  printf("Age of student :%d\t roll number of student :%d\t fees of student :%d\t cgpa :%f\n\n\n",s1.age,s1.roll,s1.fees,s1.cgpa);




  




}

[04-07-2025 17:22] Salim Shaikh: #include<stdio.h>

int main()

{

    FILE *fptr;

    fptr = fopen("new.txt", "r");

    return 0;

}

[04-07-2025 22:54] Salim Shaikh: in File print one letter___________________________________________

[04-07-2025 22:54] Salim Shaikh: #include <stdio.h>


int main() {

FILE *fptr;

fptr=fopen("newf.txt","r");


char ch;

fscanf(fptr,"%c",&ch);

printf("Charecter :%c",ch);


fclose(fptr);


    

    return 0;

}

[04-07-2025 22:59] Salim Shaikh: five letters print in file________________________________________________________

[04-07-2025 22:59] Salim Shaikh: #include <stdio.h>


int main() {

FILE *fptr;

fptr=fopen("newf.txt","r");


char ch;

fscanf(fptr,"%c",&ch);

printf("Charecter :%c\n",ch);


fscanf(fptr,"%c",&ch);

printf("Charecter :%c\n",ch);

fscanf(fptr,"%c",&ch);

printf("Charecter :%c\n",ch);

fscanf(fptr,"%c",&ch);

printf("Charecter :%c\n",ch);

fscanf(fptr,"%c",&ch);

printf("Charecter :%c\n",ch);


fclose(fptr);


    

    return 0;

}

[04-07-2025 23:09] Salim Shaikh: using int data type__--

[04-07-2025 23:09] Salim Shaikh: #include <stdio.h>


int main() {

FILE *fptr;

fptr=fopen("newf.txt","r");


int ch;

fscanf(fptr,"%d",&ch);

printf("Charecter :%d\n",ch);


fscanf(fptr,"%d",&ch);

printf("Charecter :%d\n",ch);

fscanf(fptr,"%d",&ch);

printf("Charecter :%d\n",ch);


fclose(fptr);


    

    return 0;

}

[04-07-2025 23:33] Salim Shaikh: append in file add one chareceter__________________________________________________

[04-07-2025 23:33] Salim Shaikh: #include <stdio.h>

int main ()

{

    FILE *fptr;

    fptr=fopen("newf.txt","a");


    

    fprintf(fptr,"%c",'M');

    fprintf(fptr,"%c",'a');

    fprintf(fptr,"%c",'n');


    fprintf(fptr,"%c",'g');

    fprintf(fptr,"%c",'o');


    fclose(fptr);



}

[04-07-2025 23:47] Salim Shaikh: read and write a char__--

[04-07-2025 23:48] Salim Shaikh: read and write a char______________________________________________

[04-07-2025 23:48] Salim Shaikh: #include <stdio.h>

int main ()

{

    FILE *fptr;

    fptr=fopen("newf.txt","r");


    printf("charec  : %c\n",fgetc(fptr));

    printf("charec  : %c\n",fgetc(fptr));

    printf("charec  : %c\n",fgetc(fptr));

    printf("charec  : %c\n",fgetc(fptr));

    printf("charec  : %c\n",fgetc(fptr));


    



    fclose(fptr);



}

[05-07-2025 00:10] Salim Shaikh: in file using loop _____________________________________

[05-07-2025 00:10] Salim Shaikh: #include <stdio.h>

int main ()

{

    FILE *fptr;

    fptr=fopen("newf.txt","r");


    char ch;

    ch=fgetc(fptr);


    while(ch !=EOF)

    {

        printf("%c",ch);


        ch=fgetc(fptr);

    }


    printf("\n");


    return 0;



    



    fclose(fptr);



}

[05-07-2025 09:43] Salim Shaikh: Dynamic allocation_____________________________________________________

[05-07-2025 09:43] Salim Shaikh: #include<stdio.h>



int main()

{

    float *ptr;

    ptr=(float*) malloc(5*sizeof(float));


    ptr[0]=1;

    ptr[1]=3;

    ptr[2]=5;

    ptr[3]=7;

    ptr[4]=9;

    ptr[5]=11;

    ptr[6]=13;


    for(int i=0; i<7; i++)

    {

    printf("%f\n",ptr[i]);

    }


    return 0;

}

[05-07-2025 10:04] Salim Shaikh: calloc______________________________________________________________________

[05-07-2025 10:04] Salim Shaikh: #include<stdio.h>



int main()

{

    float *ptr;

    ptr=(float*) calloc(5,sizeof(float));


    ptr[0]=1;

    ptr[1]=3;

    ptr[2]=5;

    ptr[3]=7;

    ptr[4]=9;

    ptr[5]=11;

    ptr[6]=13;


    for(int i=0; i<7; i++)

    {

    printf("%f\n",ptr[i]);

    }


    return 0;

}

[05-07-2025 10:15] Salim Shaikh: free use_-

[05-07-2025 10:15] Salim Shaikh: free use_____________________________________________________________________

[05-07-2025 10:15] Salim Shaikh: #include<stdio.h>



int main()

{

    float *ptr;

    ptr=(float*) calloc(5,sizeof(float));


    ptr[0]=1;

    ptr[1]=3;

    ptr[2]=5;

    ptr[3]=7;

    ptr[4]=9;

    ptr[5]=11;

    ptr[6]=13;


    for(int i=0; i<7; i++)

    {

    printf("%f\n",ptr[i]);

    }


    free(ptr);


    int *ptr2;

    ptr2=(int*) calloc(5,sizeof(int));


     for(int i=0; i<6; i++)

    {

    printf("%d\n",ptr2[i]);

    }

    free(ptr2);



    return 0;

}

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