oj.uz

Submission #970260

# Submission time Handle Problem Language Result Execution time Memory
970260 2024-04-26T09:42:02 Z mychecksedad Keys (IOI21_keys) C++17
0 / 100
 4 ms 14428 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n';
#define ll long long int
const int N = 3e5+10;

vector<pair<int, int>> g[N];
vector<int> K[N];
std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
	std::vector<int> ans(r.size(), 1);
	int n = r.size(), m = u.size();
	vector<int> p(n);
	for(int i = 0; i < m; ++i){
		g[u[i]].pb({v[i], c[i]});
		g[v[i]].pb({u[i], c[i]});
	}
	for(int i = 0; i < n; ++i){
		for(int j = 0; j < n; ++j) K[i].clear();
		vector<bool> vis(n), has(n);
		vis[i] = 1;
		queue<int> q; q.push(i);
		while(!q.empty()){
			int v = q.front();
			q.pop();
			if(has[r[v]] == 0){
				for(auto u: K[r[v]]){
					if(vis[u]) continue; 
					vis[u] = 1;	
					q.push(u);
				}
				K[r[v]].clear();
			}
			has[r[v]] = 1;
			for(auto U: g[v]){
				int u = U.first, key = U.second;
				if(!vis[u]){
					if(has[key]){
						vis[u] = 1;
						q.push(u);
					}else{
						K[key].pb(u);
					}
				}
			}
		}

		for(int j = 0; j < n; ++j) if(vis[j]) ++p[i];
	}

	int mn = *min_element(all(p));
	for(int i = 0; i < n; ++i) ans[i] = p[i] == mn;
	return ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14428 KB Output is correct
2 Correct 3 ms 14428 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Incorrect 4 ms 14428 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14428 KB Output is correct
2 Correct 3 ms 14428 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Incorrect 4 ms 14428 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14428 KB Output is correct
2 Correct 3 ms 14428 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Incorrect 4 ms 14428 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14428 KB Output is correct
2 Correct 3 ms 14428 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Incorrect 4 ms 14428 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 14428 KB Output is correct
2 Correct 3 ms 14428 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Incorrect 4 ms 14428 KB Output isn't correct
5 Halted 0 ms 0 KB -