Submission #755526

#	Time	Username	Problem	Language	Result	Execution time	Memory
755526		jmyszka2007	Remittance (JOI19_remittance)	C++17	0 / 100	1 ms	212 KiB

remittance

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	ll n;
	cin >> n;
	ll ans = 0;
	for(int i = 1; i <= n; i++) {
		ll a, b;
		cin >> a >> b;
		ans += (b - a) * (1ll << (i - 1));
	}
	if(ans % ((1ll << n) - 1)) {
		cout << "NO\n";
	}
	else {
		cout << "YES\n";
	}
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45