C Saved Program: quiescent-life

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Here's the online compiler accompanied with IDE at your service. This is a saved code by one of our users. Try it out or save your own from the IDE page and don't forget to leave a feedback. You can find that at the bottom of the page.

#include <stdio.h>
int sum(int n);

int main()
    int number, result;

    printf("Enter a positive integer: ");
    scanf("%d", &number);

    result = sum(number);

    printf("sum=%d", result);

int sum(int num)
    if (num!=0)
        return num + sum(num-1); // sum() function calls itself
        return num;


Press the execute button or CTRL + enter to run code.