Submission #826541

#	Time	Username	Problem	Language	Result	Execution time	Memory
826541		caganyanmaz	Toy Train (IOI17_train)	C++17	5 / 100	4 ms	832 KiB

train

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

using namespace std;

constexpr static int MXN = 5000;

bitset<MXN> sl;
bitset<MXN> cc;


vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v)
{
	vector<int> res(a.size());
	for (int i = 0; i < u.size(); i++)
	{
		if (u[i] == v[i] - 1)
			cc[u[i]] = true;
		if (u[i] == v[i])
			sl[u[i]] = true;
	}
	for (int i = a.size()-1; i >= 0; i--)
	{
		if (r[i] && sl[i] && (a[i] || !cc[i]))
			res[i] = 1;
		else if (!r[i] && sl[i] && (!a[i] || !cc[i]))
			res[i] = 0;
		else
			res[i] = res[i+1];
	}
	return res;
}

Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:15:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |  for (int i = 0; i < u.size(); i++)
      |                  ~~^~~~~~~~~~

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