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Submission #426494

# Submission time Handle Problem Language Result Execution time Memory
426494 2021-06-14T05:21:56 Z tengiz05 Bitaro’s Party (JOI18_bitaro) C++17
14 / 100
 2000 ms 12804 KB 
#include <bits/stdc++.h>
int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n, m, q;
    std::cin >> n >> m >> q;
    std::vector<std::vector<int>> e(n), p(n);
    for (int i = 0; i < m; i++) {
        int u, v;
        std::cin >> u >> v;
        u--;
        v--;
        e[u].push_back(v);
        p[v].push_back(u);
    }
    while (q--) {
        int t, k;
        std::cin >> t >> k;
        t--;
        std::vector<int> dp(n);
        std::vector<bool> bad(n);
        for (int i = 0, x; i < k; i++) {
            std::cin >> x;
            bad[--x] = true;
            dp[x] = -1000000;
        }
        for (int u = 0; u < n; u++) {
            for (auto v : p[u]) {
                dp[u] = std::max(dp[u], dp[v] + 1);
            }
        }
        int ans = -1;
        std::cout << std::max(-1, dp[t]) << "\n";
    }
    return 0;
}

Compilation message

bitaro.cpp: In function 'int main()':
bitaro.cpp:32:13: warning: unused variable 'ans' [-Wunused-variable]
   32 |         int ans = -1;
      |             ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 324 KB Output is correct
7 Correct 2 ms 320 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 428 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 460 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 324 KB Output is correct
7 Correct 2 ms 320 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 428 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 45 ms 3656 KB Output is correct
21 Correct 43 ms 3652 KB Output is correct
22 Correct 52 ms 3524 KB Output is correct
23 Correct 51 ms 3652 KB Output is correct
24 Correct 134 ms 11360 KB Output is correct
25 Correct 132 ms 11336 KB Output is correct
26 Correct 153 ms 11248 KB Output is correct
27 Correct 108 ms 12804 KB Output is correct
28 Correct 106 ms 12740 KB Output is correct
29 Correct 103 ms 12728 KB Output is correct
30 Correct 144 ms 12036 KB Output is correct
31 Correct 130 ms 11972 KB Output is correct
32 Correct 140 ms 12100 KB Output is correct
33 Correct 128 ms 12120 KB Output is correct
34 Correct 107 ms 12132 KB Output is correct
35 Correct 132 ms 12004 KB Output is correct
36 Correct 130 ms 12300 KB Output is correct
37 Correct 111 ms 12528 KB Output is correct
38 Correct 107 ms 12432 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 324 KB Output is correct
7 Correct 2 ms 320 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 428 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 45 ms 3656 KB Output is correct
21 Correct 43 ms 3652 KB Output is correct
22 Correct 52 ms 3524 KB Output is correct
23 Correct 51 ms 3652 KB Output is correct
24 Correct 134 ms 11360 KB Output is correct
25 Correct 132 ms 11336 KB Output is correct
26 Correct 153 ms 11248 KB Output is correct
27 Correct 108 ms 12804 KB Output is correct
28 Correct 106 ms 12740 KB Output is correct
29 Correct 103 ms 12728 KB Output is correct
30 Correct 144 ms 12036 KB Output is correct
31 Correct 130 ms 11972 KB Output is correct
32 Correct 140 ms 12100 KB Output is correct
33 Correct 128 ms 12120 KB Output is correct
34 Correct 107 ms 12132 KB Output is correct
35 Correct 132 ms 12004 KB Output is correct
36 Correct 130 ms 12300 KB Output is correct
37 Correct 111 ms 12528 KB Output is correct
38 Correct 107 ms 12432 KB Output is correct
39 Execution timed out 2078 ms 11296 KB Time limit exceeded
40 Halted 0 ms 0 KB -