» C program to print “Hello world“
#include<stdio.h>
int main()
{
printf("Hello world");
return 0;
}
» C program to Add two variables
#include <stdio.h>
int main() {
int num1, num2, sum;
// Read two numbers from user input
printf("Enter two numbers:\n");
scanf("%d%d", &num1, &num2);
// Perform the addition
sum = num1 + num2;
// Display the result
printf("Sum: %d\n", sum);
return 0;
}
» C program to Subtract two variables
#include <stdio.h>
int main() {
int num1, num2, difference;
// Read two numbers from user input
printf("Enter two numbers:\n");
scanf("%d%d", &num1, &num2);
// Perform the subtraction
difference = num1 - num2;
// Display the result
printf("Difference: %d\n", difference);
return 0;
}