Submission #1220020

#	Time	Username	Problem	Language	Result	Execution time	Memory
1220020		jellybean	Keys (IOI21_keys)	C++20	0 / 100	0 ms	320 KiB

keys

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef pair<int,int> pii;

std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
	
	int n = r.size(), m = c.size();
	vector<int> ans(n);
	
	bool k[n] = {};
	
	for(int i=0; i<m; i++) k[u[i]] = 1, k[v[i]] = 1;
	for(int i=0; i<n; i++) if(!k[i] or r[i]) ans[i] = 1;

	return ans;
}

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