Submission #317787

#	Time	Username	Problem	Language	Result	Execution time	Memory
317787		miss_robot	Game (IOI14_game)	C++14	42 / 100	1028 ms	12152 KiB

game

#include <bits/stdc++.h>
#include "game.h"

using namespace std;

int n, c;
vector< unordered_set<int> > g;
vector<int> vis;

void initialize(int N){
	n = N;
	g.resize(n);
	for(int i = 0; i < n; i++)
		for(int j = 0; j < n; j++) if(i != j)
			g[i].insert(j);
}

void dfs(int u){
	if(vis[u]) return;
	vis[u] = 1, c++;
	for(int v : g[u]) dfs(v);
}

int hasEdge(int u, int v) {
	if(!g[u].count(v)) return 0;
	g[u].erase(v), g[v].erase(u);
	vis.assign(n, 0), c = 0;
	dfs(0);
	if(c < n) g[u].insert(v), g[v].insert(u);
	return c < n;
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 0 / 58