Submission #5498355

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Source Code Expand

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cstring>
#include <cstdlib>
#include <utility>
#include <cstdio>
#include <vector>
#include <string>
#include <queue>
#include <stack>
#include <cmath>
#include <set>
#include <map>

using ll = long long;
using namespace std;

int main() {
	int n;
	cin >> n;
	int a[n], b[n];
	int ans = 0;
	
	for (int i = 0; i < n; i++) {
		cin >> a[i] >> b[i];
	}
	for (int i = n-1; i >= 0; i--) {
		ans += a[i] % b[i];
	}
	cout << ans;
}

Submission Info

Judge Result