Submission #990355

#	Time	Username	Problem	Language	Result	Execution time	Memory
990355		StefanSebez	Toy Train (IOI17_train)	C++14	5 / 100	5 ms	1372 KiB

train

#include "train.h"
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
const int N=5050;
vector<int>E[N];
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	std::vector<int> res(a.size());
	int n=a.size(),m=u.size();
	for(int i=0;i<m;i++){
		E[u[i]].pb(v[i]);
	}
	for(int i=0;i<n;i++){
		for(int j=i;j<n;){
			bool bul=false,bul2=false;
			for(auto k:E[j]){
				if(k==j+1) bul=true;
				if(k==j) bul2=true;
			}
			//printf("%i: %i %i\n",j,bul2,bul);
			if(a[j]==1){
				if(bul2 && r[j]==1) {res[i]=1;break;}
				else if(bul) j++;
				else {res[i]=0;break;}
			}
			else{
				if(bul2 && r[j]==0) {res[i]=0;break;}
				else if(bul) j++;
				else {res[i]=1;break;}
			}
		}
	}
	return res;
}

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