제출 #422363

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
422363		flappybird	게임 (IOI14_game)	C++14	42 / 100	1088 ms	3988 KiB

game

#include "game.h"

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")

using namespace std;
typedef int ll;

#define MAX 1900
ll mp[MAX][MAX];
ll vis[MAX];
ll N;
queue<ll> q;

void bfs(ll x, ll f) {
	ll i;
	q.push(x);
	ll v;
	while (!q.empty()) {
		v = q.front();
		if (v == f) {
			vis[v] = 1;
			return;
		}
		q.pop();
		if (vis[v]) continue;
		vis[v] = 1;
		for (i = 0; i < N; i++) if (mp[v][i] && !vis[i]) q.push(i);
	}
}

void initialize(int n) {
	N = n;
	ll i, j;
	for (i = 0; i < n; i++) for (j = 0; j < n; j++) mp[i][j] = 1;
}

int hasEdge(int u, int v) {
	ll i;
	while (!q.empty()) q.pop();
	for (i = 0; i < N; i++) vis[i] = 0;
	mp[u][v] = 0;
	mp[v][u] = 0;
	bfs(u, v);
	if (vis[v]) return 0;
	else mp[u][v] = 1, mp[v][u] = 1;
	return 1;
}

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