Submission #798076

#	Time	Username	Problem	Language	Result	Execution time	Memory
798076		LittleCube	Toy Train (IOI17_train)	C++17	5 / 100	5 ms	724 KiB

train

#include "train.h"
#include <bits/stdc++.h>
using namespace std;

int n, m, k, nxt[5005], self[5005];

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v)
{
	n = a.size(), m = u.size(), k = -1;
	for (int i = 0; i < m; i++)
		if (v[i] == u[i] + 1)
			nxt[u[i]] = 1;
		else
			self[u[i]] = 1;
	vector<int> ans(n, 0);
	for (int i = n - 1; i >= 0; i--)
		if (a[i] == 0)
		{
			if ((!r[i] && self[i]) || (nxt[i] && ans[i + 1] == 0))
				ans[i] = 0;
			else
				ans[i] = 1;
		}
		else
		{
			if ((r[i] && self[i]) || (nxt[i] && ans[i + 1] == 1))
				ans[i] = 1;
			else
				ans[i] = 0;
		}

	return ans;
}

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