Submission #906598

#	Time	Username	Problem	Language	Result	Execution time	Memory
906598		mickey080929	Remittance (JOI19_remittance)	C++17	0 / 100	1 ms	2396 KiB

remittance

#include <bits/stdc++.h>

using namespace std;

int A[1000010];
int B[1000010];

int main() {
	int N;
	cin >> N;
	for (int i=0; i<N; i++) {
		cin >> A[i] >> B[i];
	}
	for (int loop=0; loop<4; loop++) {
		for (int i=0; i<N; i++) {
			if (B[i] < A[i]) {
				int t = (A[i] - B[i]) / 2;
				A[i] -= t * 2;
				A[(i+1)%N] += t;
			}
		}
	}
	for (int i=0; i<N; i++) {
		if (A[i] != B[i]) {
			cout << "No\n";
			return 0;
		}
	}
	cout << "Yes\n";

	return 0;
}

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