Submission #1871404

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Source Code Expand

#include <cstdio>
#include <iostream>
#include <vector>
#include <queue>
#include <utility>
#include <map>
#include <set>
#include <algorithm>

#define REP(i, a, b) for (int i=a; i <b; i++)
#define F first
#define S second

using namespace std;

typedef long long ll;
typedef vector< int > vi;

int main() {
    int a, b;
    scanf("%d %d", &a, &b);

    int amari = a % b;
    printf("%d\n", (b-amari)%b);

    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a, &b);
                           ^

Judge Result