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Submission #961831

# Submission time Handle Problem Language Result Execution time Memory
961831 2024-04-12T14:35:58 Z Angus_Yeung Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 2400 KB 
#include <bits/stdc++.h>
#define x first
#define y second
#define pii pair<ll, ll>
typedef long long ll;
const ll MOD = 1000000007LL;
const ll INF = 1e15;
using namespace std;

ll n, a[1000010], b[1000010];

int main() {
	cin.tie(0); cout.tie(0);
	ios::sync_with_stdio(0);
	
	cin >> n;
	for (int i = 1; i <= n; i++) cin >> a[i] >> b[i];
	
	for (int j = 1; j <= 50; j++) {
		for (int i = 1; i <= n; i++) {
			if (a[i] > b[i]) {
				a[i%n+1] += (a[i]-b[i])/2;
				a[i] -= (a[i]-b[i])/2*2;
			}
		}
	}
	
	for (int i = 1; i <= n; i++) {
		if (a[i] != b[i]) {
			cout << "No\n";
			return 0;
		}
	}
	
	cout << "Yes\n";
	
	return 0;
}
/*



*/

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Incorrect 1 ms 2392 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Incorrect 1 ms 2392 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2400 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Incorrect 1 ms 2392 KB Output isn't correct
9 Halted 0 ms 0 KB -