Submission #1248394

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248394		12baater	Keys (IOI21_keys)	C++20	0 / 100	0 ms	320 KiB

keys

#include <vector>

using namespace std;

vector<int> find_reachable(vector<int> r, vector<int> u, vector<int> v, vector<int> c) {
	vector<int> ans(r.size(), 1);
	vector<int> cnts(r.size(), 0);
	for (int i = 0; i < u.size(); i++) {
		 cnts[u[i]]++;
		cnts[v[i]]++;
	}

	for (int i = 0; i < r.size(); i++) {
		if (r[i] == 0 && cnts[i] > 0) ans[i] = 0;
	}

	return ans;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 11
• Subtask 3: 0 / 17
• Subtask 4: 0 / 30
• Subtask 5: 0 / 33