oj.uz

Submission #397738

# Submission time Handle Problem Language Result Execution time Memory
397738 2021-05-03T01:38:47 Z timmyfeng Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 332 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1000000;

int a[N], b[N];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }

    while (true) {
        bool delta = false;

        for (int i = 0; i < n; ++i) {
            int send = max(0, (a[i] - b[i]) / 2);
            delta |= send > 0;
            a[(i + 1) % n] += send;
            a[i] -= 2 * send;
        }

        if (!delta) {
            break;
        }
    }

    cout << (equal(a, a + n, b) ? "Yes" : "No") << "\n";
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Incorrect 1 ms 204 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 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Incorrect 1 ms 204 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 332 KB Output is correct
2 Correct 1 ms 328 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Incorrect 1 ms 204 KB Output isn't correct
9 Halted 0 ms 0 KB -