Submission #72889

#	Time	Username	Problem	Language	Result	Execution time	Memory
72889		mr_banana	Toy Train (IOI17_train)	C++17	5 / 100	30 ms	25644 KiB

train

#include "train.h"
#include<bits/stdc++.h>
using namespace std;
const int MN=5000+100;
bool g[MN][MN];
vector<int> who_wins(vector<int> a,vector<int> r,vector<int> u,vector<int> v) {
	vector<int> res(a.size());
	int n=a.size(),m=v.size();
	for(int i=0;i<m;i++){
		g[u[i]][v[i]]=1;
	}
	for(int i=n-1;i>=0;i--){
		if(a[i]){
			if(r[i] && g[i][i]){
				res[i]=1;	
			}
			else if(g[i][i+1]){
				res[i]=res[i+1];
			}
			else{
				res[i]=0;
			}
		}
		else{
			if(r[i]==0 && g[i][i]){
				res[i]=0;
			}
			else if(g[i][i+1]){
				res[i]=res[i+1];
			}
			else{
				res[i]=1;
			}
		}
	}
	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