oj.uz

Submission #469613

# Submission time Handle Problem Language Result Execution time Memory
469613 2021-09-01T12:44:33 Z Itamar Fountain (eJOI20_fountain) C++14
30 / 100
 1500 ms 1680 KB 
#include <vector>
#include <algorithm>
using namespace std;
#include <iostream>

vector<int> pre;
int n;
/*int lower_bo(int l, int r, int val) {
    int mid = (l + r) / 2;
    if (pre[mid] < val && (mid == n || pre[mid+1] >= val) ) {
        return mid+1;
    }
    if (pre[mid] < val) {
        return lower_bo(mid + 1, r, val);
    }
    if (pre[mid] > val) {
        return lower_bo(l, mid - 1, val);
    }
}*/
int main()
{
    int q;
    cin >> n >> q;
    vector<int> d;
    vector<int> c;
    pre.push_back(0);
    d.push_back(0);
    c.push_back(0);
    for (int i = 1; i < n+1; i++) {
        int x, y;
        cin >> x >> y;
        d.push_back(x);
        pre.push_back(y+pre[i-1]);
        c.push_back(y);
    }
    for (int i = 0; i < q; i++) {
        int r, v;
        cin >> r >> v;
        int it = r;
        int baa = 0;
        while (v > c[it] || d[it] <= baa) {
            

            if (d[it] > baa) {

                baa = d[it];
                v -= c[it];
            }
            it++;
            if (it == n + 1) {
                it = 0;
                break;
            }
        }
        //int it = lower_bo(1, n, v + pre[r - 1]);
        cout << it << endl;
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 3 ms 204 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 8 ms 332 KB Output is correct
6 Correct 7 ms 332 KB Output is correct
7 Correct 6 ms 332 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1593 ms 1680 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 3 ms 204 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 8 ms 332 KB Output is correct
6 Correct 7 ms 332 KB Output is correct
7 Correct 6 ms 332 KB Output is correct
8 Execution timed out 1593 ms 1680 KB Time limit exceeded
9 Halted 0 ms 0 KB -