#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<int> graph[513], ord;
void dfs(int node = 1, int parent = 0) {
ord.push_back(node);
for (int i : graph[node]) if (i != parent) dfs(i, node);
}
int findEgg(int N, vector<pair<int, int>> bridges) {
for (int i = 1; i <= N; i++) graph[i].clear();
ord.clear();
for (pair<int, int> i : bridges) {
graph[i.first].push_back(i.second);
graph[i.second].push_back(i.first);
}
dfs();
int l = 0, r = N - 1;
while (l != r) {
int mid = (l + r + 1) / 2;
if (query(vector<int>(ord.begin(), ord.begin() + mid))) r = mid - 1;
else l = mid;
}
return ord[l];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
200 KB |
Number of queries: 4 |
2 |
Correct |
1 ms |
200 KB |
Number of queries: 4 |
3 |
Correct |
1 ms |
200 KB |
Number of queries: 4 |
4 |
Correct |
1 ms |
200 KB |
Number of queries: 4 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
328 KB |
Number of queries: 8 |
2 |
Correct |
13 ms |
340 KB |
Number of queries: 9 |
3 |
Correct |
13 ms |
340 KB |
Number of queries: 9 |
4 |
Correct |
14 ms |
344 KB |
Number of queries: 9 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
356 KB |
Number of queries: 9 |
2 |
Correct |
19 ms |
340 KB |
Number of queries: 9 |
3 |
Correct |
16 ms |
328 KB |
Number of queries: 9 |
4 |
Correct |
15 ms |
344 KB |
Number of queries: 9 |