Submission #436099

# Submission time Handle Problem Language Result Execution time Memory
436099 2021-06-24T08:41:54 Z Mohammed_Atalah Keys (IOI21_keys) C++17
20 / 100
2500 ms 1048580 KB
#include <vector>
#include <bits/stdc++.h>

using namespace std;

vector<int> vis;
vector<vector<vector<int>>> edg;
vector<int> reach;
set<int> keys;
int curr;
vector<int> k;


void dfs(int num) {
	for (auto e : keys) {
		vector<int> con;
		con = edg[e][num];
		for (auto v : con) {
			if (vis[v] != 1) {
				vis[v] = 1;
				keys.insert(k[v]);
				curr++;
				dfs(v);
			}
		}
	}
}


std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
	k = r;
	int rooms = r.size();
	vis.resize(rooms);
	edg.resize(rooms);
	reach.resize(rooms);
	for (int i = 0; i < rooms; i++) {
		edg[i].resize(rooms);
	}

	int e = u.size();

	for (int i = 0; i < e; i++) {
		edg[c[i]][u[i]].push_back(v[i]);
		edg[c[i]][v[i]].push_back(u[i]);
	}

	for (int i = 0; i < rooms; i++) {
		keys.insert(r[i]);
		curr = 1;
		vis[i] = 1;
		dfs(i);
		// cout << "hello" << endl;
		reach[i] = curr;
		vis.clear();
		vis.resize(rooms);
		keys.clear();
	}

	int mn = reach[0];
	for (int i = 1; i < rooms; i ++) {
		if (reach[i] < mn) {
			mn = reach[i];
		}
	}

	vector<int> res;
	res.resize(rooms);
	for (int i = 0; i < rooms; i++) {
		if (reach[i] != mn) {
			res[i]  = 0;
		} else {
			res[i] = 1;
		}
	}




	return res;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Correct 2 ms 1228 KB Output is correct
11 Correct 1 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 11 ms 780 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 47 ms 1228 KB Output is correct
22 Correct 6 ms 332 KB Output is correct
23 Correct 44 ms 844 KB Output is correct
24 Correct 45 ms 844 KB Output is correct
25 Correct 94 ms 1168 KB Output is correct
26 Correct 104 ms 1176 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Correct 2 ms 1228 KB Output is correct
11 Correct 1 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 11 ms 780 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 47 ms 1228 KB Output is correct
22 Correct 6 ms 332 KB Output is correct
23 Correct 44 ms 844 KB Output is correct
24 Correct 45 ms 844 KB Output is correct
25 Correct 94 ms 1168 KB Output is correct
26 Correct 104 ms 1176 KB Output is correct
27 Correct 64 ms 94288 KB Output is correct
28 Correct 68 ms 94400 KB Output is correct
29 Correct 65 ms 94468 KB Output is correct
30 Execution timed out 2536 ms 17304 KB Time limit exceeded
31 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Runtime error 1384 ms 1048580 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 1084 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 844 KB Output is correct
9 Correct 4 ms 972 KB Output is correct
10 Correct 2 ms 1228 KB Output is correct
11 Correct 1 ms 1228 KB Output is correct
12 Correct 1 ms 1228 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 11 ms 780 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 47 ms 1228 KB Output is correct
22 Correct 6 ms 332 KB Output is correct
23 Correct 44 ms 844 KB Output is correct
24 Correct 45 ms 844 KB Output is correct
25 Correct 94 ms 1168 KB Output is correct
26 Correct 104 ms 1176 KB Output is correct
27 Correct 64 ms 94288 KB Output is correct
28 Correct 68 ms 94400 KB Output is correct
29 Correct 65 ms 94468 KB Output is correct
30 Execution timed out 2536 ms 17304 KB Time limit exceeded
31 Halted 0 ms 0 KB -