Submission #1095276

# Submission time Handle Problem Language Result Execution time Memory
1095276 2024-10-01T17:17:56 Z idiotcomputer Easter Eggs (info1cup17_eastereggs) C++11
0 / 100
1 ms 700 KB
#include "grader.h"
#include <bits/stdc++.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]-1;
}
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 700 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -