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Submission #769907

# Submission time Handle Problem Language Result Execution time Memory
769907 2023-06-30T13:00:01 Z BlockOG Fountain (eJOI20_fountain) C++14
30 / 100
 1500 ms 1524 KB 
#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
#include <cstring>
#include <set>
#include <cmath>

using namespace std;

int diameters[100000];
int nextf[100000];
int capacities[100000];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n, q; cin >> n >> q;
    for (int i = 0; i < n; i++) cin >> diameters[i] >> capacities[i];
    
    for (int i = 0; i < n; i++) {
        nextf[i] = n;
        for (int j = i + 1; j < n; j++) {
            if (diameters[j] > diameters[i]) {
                nextf[i] = j;
                break;
            }
        }
    }
    
    for (int iq = 0; iq < q; iq++) {
        int r, v; cin >> r >> v; r--;
        for (; r < n; r = nextf[r]) {
            v -= capacities[r];
            if (v <= 0) break;
        }
        
        if (r == n) cout << 0 << endl;
        else cout << r + 1 << endl;
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1576 ms 1524 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 4 ms 340 KB Output is correct
6 Correct 3 ms 340 KB Output is correct
7 Correct 3 ms 340 KB Output is correct
8 Execution timed out 1576 ms 1524 KB Time limit exceeded
9 Halted 0 ms 0 KB -