Submission #230646

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Source Code Expand

#include<iostream>
#include<sstream>
#include<fstream>
#include<string>
#include<vector>
#include<deque>
#include<queue>
#include<stack>
#include<set>
#include<map>
#include<algorithm>
#include<functional>
#include<utility>
#include<bitset>
#include<cmath>
#include<cstdlib>
#include<ctime>
#include<cstdio>

using namespace std;

#define REP(i,n) for(int i=0;i<int(n);i++)
#define foreach(c,itr) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)
typedef pair<int,int> P;
typedef long long ll;

int main(void){

	int a,b;
	cin >> a >> b;
	int x=a%b;
	if(x==0) cout << 0 << endl;
	else cout << b-x << endl;

	return 0;
}

Submission Info

Judge Result