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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