oj.uz

Submission #756310

# Submission time Handle Problem Language Result Execution time Memory
756310 2023-06-11T13:22:59 Z hanifchdn Remittance (JOI19_remittance) C++14
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define fi first
#define se second

int a[1000005], b[1000005];
bool vis[1000005];
queue<int> q;

int main() { 
    ios_base::sync_with_stdio(false); cin.tie(NULL);
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
        if (a[i] - b[i] >= 2) vis[i] = 1, q.push(i);
    }
    while (!q.empty()) {
        int x = q.front();
        q.pop();
        int tmp = a[x] - b[x];
        vis[x] = 0, a[(x + 1) % n] += tmp / 2, a[x] = b[x] + (tmp % 2);
        if (!vis[(x + 1) % n] and a[(x + 1) % n] - b[(x + 1) % n] >= 2) vis[(x + 1) % n] = 1, q.push((x + 1) % n);
    }
    bool ans = 1;
    for (int i = 0; i < n; i++) if (a[i] != b[i]) ans = 0;
    if (ans) cout << "Yes\n";
    else cout << "No\n";
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 ms 340 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 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 ms 340 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 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 1 ms 340 KB Output isn't correct
9 Halted 0 ms 0 KB -