Submission #1095332

#	Time	Username	Problem	Language	Result	Execution time	Memory
1095332		idiotcomputer	Easter Eggs (info1cup17_eastereggs)	C++11	0 / 100	1 ms	600 KiB

eastereggs

#include "grader.h"
#include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pb push_back
#define sz(x) (int) (x).size()

const int mxN = 520;
vector<int> adj[mxN];
vector<int> ord;


void dfs(int node, int p){
	ord.pb(node);
	//cout << node << "\n";
	for (int c : adj[node]){
		if (c != p) dfs(c,node);
	}
}

int findEgg(int N, vector<pair<int,int>> bridges){
	for (int i = 0; i < N; i++) adj[i].clear();
	ord.clear();
	for (pair<int,int> c : bridges){
		//cout << c.f << " " << c.s << '\n';
		adj[c.f-1].pb(c.s-1);
		adj[c.s-1].pb(c.f-1);
	}/*
	for (int i = 0; i < N-1; i++){
		adj[bridges[i].f-1].pb(bridges[i].s-1);
		adj[bridges[i].s-1].pb(bridges[i].f-1);
	}*/
	dfs(0,-1);
	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;
}	

• Subtask 1: 0 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20