Question

How to round a number to the nearest even number in C

Answer 1

#include <stdio.h>
#include <math.h>

int round_to_nearest_even_number(double num) {
    return round(num / 2) * 2;
}

int main()
{
    printf("%d\n", round_to_nearest_even_number(7.18));
    printf("%d\n", round_to_nearest_even_number(6.91));

    return 0;
}




/*
run:

8
6

*/

 

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