Submission #98875

#	Time	Username	Problem	Language	Result	Execution time	Memory
98875		square1001	Toy Train (IOI17_train)	C++14	11 / 100	1816 ms	1408 KiB

train

#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();
	vector<vector<int> > g(n);
	for(int i = 0; i < m; ++i) {
		g[u[i]].push_back(v[i]);
	}
	vector<int> dp = r;
	for(int i = 0; i < 2 * n; ++i) {
		vector<int> ndp(n);
		for(int j = 0; j < n; ++j) {
			if(i < n && r[j] == 1) {
				ndp[j] = 1;
				continue;
			}
			ndp[j] = a[j] ^ 1;
			for(int k : g[j]) {
				if(dp[k] == a[j]) ndp[j] = a[j];
			}
		}
		dp = ndp;
	}
	return dp;
}

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