#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<vector<int>> v;
vector<int> ans;
void dfs(int i, int last = -1) {
ans.emplace_back(i);
for (auto node : v[i]) {
if (last == node) continue;
dfs(node, i);
}
}
int findEgg(int n, vector<pair<int, int>> bridges) {
v = vector<vector<int>>(n + 20);
for (auto node : bridges) {
v[node.first].emplace_back(node.second);
v[node.second].emplace_back(node.first);
}
dfs(1);
int l = 0, r = n - 1;
while (l <= r) {
int m = (l + r) / 2;
if (query(vector<int>(ans.begin(), ans.begin() + m + 1))) r = m;
else l = m;
}
return ans[l];
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
3 ms |
512 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
4 ms |
640 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |