oj.uz

Submission #1008561

# Submission time Handle Problem Language Result Execution time Memory
1008561 2024-06-26T14:25:06 Z toast12 Fountain (eJOI20_fountain) C++14
30 / 100
 47 ms 5332 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    int n, q;
    cin >> n >> q;
    vector<int> d(n+1), c(n+1);
    for (int i = 1; i <= n; i++) {
        cin >> d[i] >> c[i];
    }
    vector<int> ps;
    ps.push_back(0);
    for (int i = 1; i <= n; i++) {
        ps.push_back(c[i]+ps.back());
    }
    while (q--) {
        int r, v;
        cin >> r >> v;
        int ans = 0;
        int x = ps[r-1];
        auto it = lower_bound(ps.begin(), ps.end(), x+v);
        if (it != ps.end())
            ans = it-ps.begin();
        cout << ans << '\n';
    }
    return 0;
}

Subtask #1
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 5104 KB Output is correct
2 Correct 47 ms 5332 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -