Submission #1229254

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Source Code Expand

#include "bits/stdc++.h"
#include <regex>

using namespace std;

#ifndef _DEBUG
#define main_ main
#endif
#define FOR(i,s,e) for (int i = int(s); i != int(e); i++)
#define INF (INT_MAX/2)
#define EPS (1.0e-8)
#define LINF (LONG_MAX/2)

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

template <typename T>
using keyVal = pair<string, T>;
template<typename T>
bool val_greater(const keyVal<T>& left, const keyVal<T>& right) {
	return left.second > right.second;
}

int main_() {
	int a, b;
	cin >> a >> b;	

	if (a%b == 0) {
		cout << 0 << endl;
		return 0;
	}

	int p = a/b + 1;
	int ans = p*b - a;

	cout << ans << endl;

	return 0;
}

Submission Info

Judge Result