oj.uz

답안 #974910

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
974910 2024-05-04T06:45:44 Z AliHasanli Easter Eggs (info1cup17_eastereggs) C++17
0 / 100
 183 ms 131072 KB 
#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<int>dfsorder;
vector<int>g[600];
void dfs(int source,int p)
{
	dfsorder.push_back(source);
	for(int go:g[source])
        if(go!=p)dfs(go,source);
}
int findEgg (int N,vector<pair<int,int> >bridges)
{
    for(int i=0;i<N-1;i++)
    {
    	g[bridges[i].first].push_back(bridges[i].second);
    	g[bridges[i].second].push_back(bridges[i].first);
	}
	dfs(1,0);
	int l=0,r=N-2;
	int ans=0,mid;
	while(l<=r)
	{
		mid=(l+r)/2;
		if(query(vector<int>(dfsorder.begin(),dfsorder.begin()+mid+1)))
			r=mid-1;
		else l=mid+1;
	}

    return dfsorder[l];
}

Compilation message

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:21:6: warning: unused variable 'ans' [-Wunused-variable]
   21 |  int ans=0,mid;
      |      ^~~

Subtask #1
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 183 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 137 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 138 ms 131072 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -