C

• Use scanf() to get input.
• Use printf() to write output.

Example

Adding two numbers. Numbers will be space separated on a single line.

#include "stdio.h"

int main (void) {
    int a, b;
    scanf("%d %d", &a, &b);
    printf("%d", a + b);
}

Submit

• Go to the submit tab and upload the addition program above by copy-pasting and selecting C in the language dropdown.