oj.uz

Submission #929841

# Submission time Handle Problem Language Result Execution time Memory
929841 2024-02-18T08:17:37 Z Pannda Event Hopping 2 (JOI21_event2) C++17
1 / 100
 74 ms 1504 KB 
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e9 + 12345;

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

    int n, k;
    cin >> n >> k;

    vector<array<int, 2>> a(n);
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;
        a[i] = {l, r};
    }

    vector<int> key(k, INF);
    for (int mask = 0; mask < (1 << n); mask++) {
        if (__builtin_popcount(mask) != k) continue;
        vector<int> seq;
        vector<array<int, 2>> fetch;
        for (int i = 0; i < n; i++) {
            if (mask >> i & 1) {
                seq.push_back(i);
                fetch.push_back(a[i]);
            }
        }
        sort(fetch.begin(), fetch.end());
        bool ok = true;
        for (int i = 1; i < k; i++) {
            if (fetch[i][0] < fetch[i - 1][1]) {
                ok = false;
            }
        }
        if (ok) {
            key = min(key, seq);
        }
    }

    if (key[0] == INF) {
        cout << -1 << '\n';
    } else {
        for (int i : key) {
            cout << i + 1 << '\n';
        }
    }
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 16 ms 1504 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 428 KB Output is correct
4 Correct 3 ms 452 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 9 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 67 ms 424 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 348 KB Output is correct
16 Correct 74 ms 428 KB Output is correct
17 Correct 45 ms 424 KB Output is correct
18 Correct 8 ms 500 KB Output is correct
19 Correct 42 ms 432 KB Output is correct
20 Correct 68 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 10 ms 500 KB Output is correct
23 Correct 56 ms 348 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 3 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 3 ms 348 KB Output is correct

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 428 KB Output is correct
4 Correct 3 ms 452 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 9 ms 348 KB Output is correct
8 Correct 4 ms 348 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 67 ms 424 KB Output is correct
12 Correct 5 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 4 ms 344 KB Output is correct
15 Correct 3 ms 348 KB Output is correct
16 Correct 74 ms 428 KB Output is correct
17 Correct 45 ms 424 KB Output is correct
18 Correct 8 ms 500 KB Output is correct
19 Correct 42 ms 432 KB Output is correct
20 Correct 68 ms 344 KB Output is correct
21 Correct 4 ms 344 KB Output is correct
22 Correct 10 ms 500 KB Output is correct
23 Correct 56 ms 348 KB Output is correct
24 Correct 5 ms 600 KB Output is correct
25 Correct 3 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 3 ms 348 KB Output is correct
28 Incorrect 45 ms 348 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 16 ms 1504 KB Output isn't correct
5 Halted 0 ms 0 KB -