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Submission #542843

# Submission time Handle Problem Language Result Execution time Memory
542843 2022-03-28T09:01:46 Z colossal_pepe Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 212 KB 
#include <iostream>
using namespace std;

typedef long long ll;

const int MAXN = 1e6;

int n;
ll a[MAXN + 5], b[MAXN + 5];

bool isEqual() {
    for (int i = 0; i < n; i++) {
        if (a[i] != b[i]) return 0;
    }
    return 1;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
    }
    for (int i = 0; i < 100; i++) {
        for (int j = 0; j < n; j++) {
            int k = (j + 1) % n;
            if (a[j] > b[j]) {
                ll x = (a[j] - b[j]) / 2;
                a[j] -= (2 * x);
                a[k] += x;
            }
        }
    }
    cout << (isEqual() ? "Yes" : "No") << '\n';
    return 0;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -