Submission #1025798

#	Time	Username	Problem	Language	Result	Execution time	Memory
1025798		parsadox2	Toy Train (IOI17_train)	C++17	5 / 100	14 ms	860 KiB

train

#include "train.h"
#include <bits/stdc++.h>

using namespace std;

const int N = 5e3 + 10;
bool charge[N] , self[N] , ty[N] , nex[N];
int n , m;

bool Solve(int v)
{
	for(int i = v ; i < n ; i++)
	{
		if(!nex[i])
			return charge[i];
		if(!self[i])
			continue;
		if(!charge[i] && !ty[i])
			return 0;
		if(charge[i] && ty[i])
			return 1;
	}
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	n = a.size() ; m = u.size();
	vector<int> res(a.size());
	for(int i = 0 ; i < n ; i++)
		ty[i] = a[i];
	for(int i = 0 ; i < n ; i++)
		charge[i] = r[i];
	for(int i = 0 ; i < m ; i++)  
	{
		if(u[i] == v[i])
			self[u[i]] = true;
		else
			nex[u[i]] = true;
	}
	for(int i = 0 ; i < n ; i++)
		res[i] = Solve(i);
	return res;
}

Compilation message (stderr)

train.cpp: In function 'bool Solve(int)':
train.cpp:23:1: warning: control reaches end of non-void function [-Wreturn-type]
   23 | }
      | ^

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