题解 | Old Bill

#include <stdio.h>
using namespace std;

int main(){
    int n, x, y, z;
    while(scanf("%d %d %d %d", &n, &x, &y, &z) != EOF){
        int price = 0, max = 0, i1, j1;
        for(int i = 1; i<=9; i++){
            for(int j=0; j<=9; j++){
                int price = i * 10000 + x * 1000 + y * 100 + z * 10 + j;
                if(price % n == 0){
                    if(max < price / n){
                        max = price / n;
                        i1 = i;
                        j1 =j;
                    }
                }
            }
        }
        if(0 == max){
            printf("%d", max);
        }
        else{
            printf("%d %d %d\n", i1, j1, max);
        }
    }
    return 0;
}