# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
734833 |
2023-05-03T06:57:05 Z |
dong_liu |
Bosses (BOI16_bosses) |
C++17 |
|
596 ms |
672 KB |
#include <bits/stdc++.h>
using namespace std;
const int N = 5000;
int main() {
ios::sync_with_stdio(false); cin.tie(NULL);
int n; cin >> n;
static vector<int> c[N];
for (int i = 0; i < n; i++) {
int k; cin >> k;
while (k--) {
int j; cin >> j, j--;
c[j].push_back(i);
}
}
long long ans = LLONG_MAX;
for (int s = 0; s < n; s++) {
static int d[N];
memset(d, -1, n * 4);
queue<int> q;
d[s] = 0, q.push(s);
while (!q.empty()) {
int i = q.front(); q.pop();
for (int j : c[i]) if (d[j] == -1)
d[j] = d[i] + 1, q.push(j);
}
long long x = 0; bool f = 0;
for (int i = 0; i < n; i++)
if (d[i] == -1) { f = 1; break; }
else x += d[i] + 1;
if (!f) ans = min(ans, x);
}
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
440 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
440 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 |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 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 |
440 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 |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
328 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
6 ms |
496 KB |
Output is correct |
13 |
Correct |
3 ms |
468 KB |
Output is correct |
14 |
Correct |
112 ms |
460 KB |
Output is correct |
15 |
Correct |
5 ms |
460 KB |
Output is correct |
16 |
Correct |
450 ms |
640 KB |
Output is correct |
17 |
Correct |
581 ms |
596 KB |
Output is correct |
18 |
Correct |
596 ms |
672 KB |
Output is correct |