Submission #1196980

#	Time	Username	Problem	Language	Result	Execution time	Memory
1196980		alterio	Toy Train (IOI17_train)	C++20	5 / 100	17 ms	25160 KiB

train

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

using namespace std;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = a.size(), m = u.size();
	bool edg[n + 10][n + 10];
	memset(edg, 0, sizeof(edg));
	for (int i = 0; i < m; i++) edg[u[i]][v[i]] = 1;
	vector<int> res(n, 0);
	for (int i = n - 1; i >= 0; i--) {
		if (a[i] && r[i] && edg[i][i]) {
			res[i] = 1; 
			continue;
		}
		if (!a[i] && !r[i] && edg[i][i]) {
			res[i] = 0; 
			continue;
		}
		if (edg[i][i + 1]) res[i] = res[i + 1];
		else res[i] = r[i];
	}
	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