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Submission #717873

# Submission time Handle Problem Language Result Execution time Memory
717873 2023-04-02T17:28:20 Z blackslex Bosses (BOI16_bosses) C++17
100 / 100
 743 ms 636 KB 
#include<bits/stdc++.h>

using namespace std;

const int N = 5005;
int n, m, x, ans = INT_MAX;
vector<int> v[N];

int main() {
    scanf("%d", &n);
    for (int i = 1; i <= n; i++) {
        scanf("%d", &m);
        while (m--) scanf("%d", &x), v[x].emplace_back(i);
    }
    for (int i = 1; i <= n; i++) {
        int d[N] = {}, res = 0;
        queue<int> q;
        bool f = 0;
        d[i] = 1, q.emplace(i);
        while (!q.empty()) {
            int cur = q.front(); q.pop();
            for (auto &e: v[cur]) if (!d[e]) d[e] = d[cur] + 1, q.emplace(e);
        }
        for (int j = 1; j <= n; j++) res += d[j], f = (!d[j] ? 1 : f);
        if (!f) ans = min(ans, res);
    }
    printf("%d", ans);
}

Compilation message

bosses.cpp: In function 'int main()':
bosses.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bosses.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf("%d", &m);
      |         ~~~~~^~~~~~~~~~
bosses.cpp:13:26: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |         while (m--) scanf("%d", &x), v[x].emplace_back(i);
      |                     ~~~~~^~~~~~~~~~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 1 ms 436 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct

Subtask #3
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 1 ms 436 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 5 ms 468 KB Output is correct
13 Correct 4 ms 452 KB Output is correct
14 Correct 174 ms 532 KB Output is correct
15 Correct 23 ms 480 KB Output is correct
16 Correct 653 ms 612 KB Output is correct
17 Correct 743 ms 636 KB Output is correct
18 Correct 728 ms 636 KB Output is correct