Submission #204834

#	Time	Username	Problem	Language	Result	Execution time	Memory
204834		MvC	Cop and Robber (BOI14_coprobber)	C++11	16 / 100	207 ms	262148 KiB

coprobber

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include "coprobber.h"
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=5e2+50;
const int mod=1e9+7;
using namespace std;
int n,tt,tin[nmax],tout[nmax],x,y;
vector<int>a[nmax];
void dfs(int x,int p)
{
	tin[x]=++tt;
	for(int i=0;i<(int)a[x].size();i++)
	{
		int y=a[x][i];
		if(y==p)continue;
		dfs(y,x);
	}
	tout[x]=++tt;
}
bool ok(int x,int y)
{
	return tin[x]<=tin[y] && tout[x]>=tout[y];
}
int start(int N,bool A[500][500])
{
	n=N;
	for(int i=0;i<n;i++)for(int j=0;j<n;j++)if(A[i][j])a[i].pb(j);
	dfs(0,0);
	x=0;
	return 0;
}
int nextMove(int y)
{
	for(int i=0;i<(int)a[x].size();i++)
	{
		if(ok(a[x][i],y) && ok(x,a[x][i]))
		{
			x=a[x][i];
			break;
		}
	}
	return x;
}
/*int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	
	return 0;
}*/

• Subtask 1: 16 / 16
• Subtask 2: 0 / 14
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40