#include<bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<int> g[515];
int used[515];
vector<int> island;
void dfs(int v){
used[v] = 1;
for(auto to : g[v]){
if(used[to] == 0){
dfs(to);
}
}
}
int findEgg (int N, vector < pair < int, int > > bridges)
{
for(int i = 1;i <= N; i++){
g[i].clear();
}
island.clear();
memset(used, 0, sizeof(used));
for(int i = 0;i < N-1; i++){
int a = bridges[i].first;
int b = bridges[i].second;
g[a].push_back(b);
g[b].push_back(a);
}
dfs(1);
//cout << 't';
// for(auto x : qu){
// cout << x << " ";
// }
// cout << "\n";
//
int l = 0, r = island.size()-1;
while(r > l){
int m = (l + r) / 2;
vector<int> st;
for(int i = 0;i <= m; i++){
st.push_back(island[i]);
}
if(query(st)){
r = m;
}else l = m + 1;
}
return island[l];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
328 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
456 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
1 ms |
456 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |