Submission #157254

#	Time	Username	Problem	Language	Result	Execution time	Memory
157254		AKaan37	Toy Train (IOI17_train)	C++17	0 / 100	260 ms	262148 KiB

train

#include "train.h"
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//Abdulhamid Han
//Bismillahirrahmanirrahim
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█▄█
//█─█─█▄─█▄─█─█─█─█

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>

#include <cstdio>
#include <vector>
#include <cassert>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],flag,t,fa[li],par[li];
int cev;
map<int,int> vis[5002];
string s;
vector<int> v[li];
vector<int> vv;

inline void dfs(int node,int cycle,vector<int> r){
	if(cycle==1){
		if(r[node]==1)flag=1;
		dfs(par[node],1,r);
	}
	if(flag==1)return ;
	for(int i=0;i<(int)v[node].size();i++){
		int go=v[node][i];
		par[go]=node;
		if(vis[node][go]==1)dfs(go,1,r);
		else {vis[node][go]=1;dfs(go,0,r);}
	}
}

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> x, std::vector<int> y) {
	for(int j=0;j<(int)x.size();j++){
		v[x[j]].pb(y[j]);
	}
	for(int i = 0; i < (int)a.size(); i++){
		flag=0;
		for(int j=0;j<(int)a.size();j++)vis[j].clear();
		dfs(i,0,r);
		if(flag==1)vv.pb(1);
		else vv.pb(0);
	}
	return vv;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51