Question

How to round an integer to the nearest multiple of a number in C

Answer 1

#include <stdio.h>

int main()
{
    int number = 192;
    int multiple = 80;
    
    int result = ((number + multiple / 2) / multiple) * multiple;
    printf("%d\n", result);
    
    number = 12;
    multiple = 5;
    result = ((number + multiple / 2) / multiple) * multiple;
    printf("%d\n", result);
    
    number = 13;
    multiple = 5;
    result = ((number + multiple / 2) / multiple) * multiple;
    printf("%d\n", result);
    
    return 0;
}

  
  
  
/*
run:
  
160
10
15
  
*/

 

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