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답안 #279640

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
279640 2020-08-22T08:53:57 Z MKutayBozkurt Easter Eggs (info1cup17_eastereggs) C++17
0 / 100
 4 ms 768 KB 
#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 + 1);
	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];
}

Subtask #1
0 / 40.0

# 결과 실행 시간 메모리 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 -

Subtask #2
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 2 ms 512 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 4 ms 768 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -