Submission #235263

#	Time	Username	Problem	Language	Result	Execution time	Memory
235263		Goolakh	Cop and Robber (BOI14_coprobber)	C++17	100 / 100	662 ms	7416 KiB

coprobber

/// Be Kind :)
#include <bits/stdc++.h>
#include "coprobber.h"
using namespace std;

#pragma GCC optimize("O2")
#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("Os")

/*				Bitch, where you when I was walkin'?
				Now I run the game, got the whole world talkin'				*/

/*				You never likes us anyway, fuck your friendship, I meant it */

/*				The Chanel or Balenciaga, Louis and Vuitton
				She know I got Fendi, Prada when I hit Milan				*/

/*				Niggas been counting me out
				I'm counting my bullets, I'm loading my clips
				I'm writing down names, I'm making a list					*/

/*				I ran away, I don't think I'm coming back home				*/

#define F first
#define S second
#define pb push_back
#define SZ(x) (ll)(x.size())
#define all(x) x.begin(),x.end()

typedef int ll;
typedef pair<ll,ll> pll;

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const ll maxn=5e2+10, maxm=51, lg=23, mod=1e9+7, inf=1e18;

ll n,cur;
bool g[maxn][maxn],win[maxn][maxn];
ll cnt[maxn][maxn],nxt[maxn][maxn];
ll tg[maxn];

int start(int N,bool A[MAX_N][MAX_N]){
	n=N;
	for(int i=0;i<n;i++){
		tg[i]=0;
		for(int j=0;j<n;j++){
			g[i][j]=A[i][j];
			tg[i]+=g[i][j];
			cnt[i][j]=0;
		}
	}
	deque<pair<ll,pll>> q;
	for(int i=0;i<n;i++){
		q.pb({0,{i,i}});
		q.pb({1,{i,i}});
		win[i][i]=1;
	}
	while(!q.empty()){
		auto v=q.front(); q.pop_front();
		if(v.F==1){
			for(int i=0;i<n;i++)if(g[i][v.S.F] || i==v.S.F)if(!win[i][v.S.S]){
				win[i][v.S.S]=1;
				nxt[i][v.S.S]=v.S.F;
				q.pb({0,{i,v.S.S}});
			}
		}
		if(v.F==0){
			for(int i=0;i<n;i++)if(g[i][v.S.S]){
				cnt[v.S.F][i]++;
				if(cnt[v.S.F][i]==tg[i]) q.pb({1,{v.S.F,i}});
			}
		}
	}
	for(int i=0;i<n;i++)if(!win[0][i]) return -1;
	return 0;

}

int nextMove(int R){
	return cur=nxt[cur][R];
}

/*
int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	
	
	
	return 0;
}
*/

Compilation message (stderr)

coprobber.cpp:35:54: warning: overflow in implicit constant conversion [-Woverflow]
 const ll maxn=5e2+10, maxm=51, lg=23, mod=1e9+7, inf=1e18;
                                                      ^~~~

• Subtask 1: 16 / 16
• Subtask 2: 14 / 14
• Subtask 3: 30 / 30
• Subtask 4: 40 / 40