Question

How to find the remainder without using modulo operator in C

Answer 1

#include <stdio.h>

int main(void) {
    int n = 27, divisor = 6;
    
    int remainder = n;

    while (remainder >= divisor) {
        remainder = remainder - divisor;
    }

    printf("The remainder is: %d ", remainder);

    return 0;
}




/*
run:

The remainder is: 3

*/

 

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Answer 2

#include <stdio.h>

int main(void) {
    int n = 27, divisor = 6;

    int remainder = n - divisor * (n / divisor);

    printf("The remainder is: %d ", remainder);

    return 0;
}




/*
run:

The remainder is: 3

*/

 

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