[백준] 1075번 : 나누기 - C

https://www.acmicpc.net/problem/1075

#include<stdio.h>

int main() {
    int n,f;
    scanf("%d %d",&n,&f);
    int a=n%100;
    int b=n-a;
    int c=b%f;
    if(c==0) printf("00");
    else printf("%02d",(f-c)%100);
}