
C Exercises: Check if a non-negative given number is a multiple of 3 or 7, but not both
C-programming basic algorithm: Exercise-20 with Solution
Write a C program to check if a non-negative given number is a multiple of 3 or 7, but not both.
C Code:
#include <stdio.h>
#include <stdlib.h>
int main(void){
printf("%d",test(3));
printf("\n%d",test(7));
printf("\n%d",test(21));
}
int test(int n)
{
return n % 3 == 0 ^ n % 7 == 0;
}
Sample Output:
1 1 0
Flowchart:

Solution
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