제출 #234668

#제출 시각아이디문제언어결과실행 시간메모리
234668BamiTorabi경찰관과 강도 (BOI14_coprobber)C++14
100 / 100
563 ms6776 KiB
//Sasayego! Sasayego! Shinzou wo Sasageyo!

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <ctime>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include <bitset>
#include <ctime>
#include "coprobber.h"
#define debug(x)  cerr << #x << " = " << x << endl
#define lid (id << 1)
#define rid (lid ^ 1)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <ll, ll> pll;
typedef pair <int, int> pii;

const ll INF = 1e18;
const ll MOD = 1e9 + 7;

int arumin[MAX_N][MAX_N][2], eren[MAX_N][MAX_N];
int annie[MAX_N][MAX_N], deg[MAX_N], shingeki;
queue <int> Q;

int start(int n, bool A[MAX_N][MAX_N]){
	for (int i = 0; i < n; i++){
		for (int j = 0; j < n; j++)
			if (A[i][j])
				deg[i]++;
		for (int j = 0; j < n; j++)
			annie[j][i] = deg[i];
	}
	for (int i = 0; i < n; i++)
		for (int b = 0; b < 2; b++){
			arumin[i][i][b] = 1;
			eren[i][i] = i;
			Q.push(b * n * n + i * n + i);
		}
	while (!Q.empty()){
		int x = Q.front();;
		Q.pop();
		bool b = (x >= n * n);
		x -= b * n * n;
		int att = x / n;
		int fem = x % n;
		if (b){
			for (int u = 0; u < n; u++)
				if (A[u][fem]){
					annie[att][u]--;
					if (annie[att][u] == 0 && !arumin[att][u][0]){
						arumin[att][u][0] = 1;
						Q.push(n * att + u);
					}
				}
		}
		else{
			for (int u = 0; u < n; u++)
				if ((A[u][att] || u == att) && !arumin[u][fem][1]){
					arumin[u][fem][1] = 1;
					eren[u][fem] = att;
					Q.push(n * n + u * n + fem);
				}
		}
	}
	shingeki = -1;
	for (int i = 0; i < n; i++){
		bool flag = true;
		for (int j = 0; j < n; j++)
			flag &= (arumin[i][j][1]);
		if (flag)
			shingeki = i;
	}
	return shingeki;
}

int nextMove(int femaleTitan){
	return shingeki = eren[shingeki][femaleTitan];
}
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