| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 805124 |
2023-08-03T13:12:36 Z |
eltu0815 |
Keys (IOI21_keys) |
C++17 |
|
1165 ms |
62192 KB |
#include "keys.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
int n, m, cnt;
int p[300005], vis[300005], used[300005], key[300005];
int parent[300005];
vector<int> vec[300005];
vector<pii> graph[300005];
int Find(int x) {
if(parent[x] == x) return x;
return parent[x] = Find(parent[x]);
}
int bfs(int i) {
queue<int> q;
vector<int> st1, st2;
q.push(i);
while(!q.empty()) {
int cur = q.front();
q.pop();
if(Find(i) != Find(cur)) {
for(auto v : st1) used[key[v]] = 0;
for(auto v : st2) vec[v].clear();
return cur;
}
if(vis[cur]) continue;
vis[cur] = 1;
st1.push_back(cur);
if(!used[key[cur]]) {
used[key[cur]] = 1;
for(auto v : vec[key[cur]]) q.push(v);
}
for(auto v : graph[cur]) {
if(used[v.second]) q.push(v.first);
else st2.push_back(v.second), vec[v.second].push_back(v.first);
}
}
for(auto v : st1) p[v] = st1.size(), used[key[v]] = 0;
for(auto v : st2) vec[v].clear();
return -1;
}
std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
n = r.size(), m = u.size();
for(int i = 0; i < n; ++i) key[i] = r[i], parent[i] = i, p[i] = (int)(1e9);
for(int i = 0; i < m; ++i) {
graph[u[i]].push_back({v[i], c[i]});
graph[v[i]].push_back({u[i], c[i]});
}
int flag = 1;
while(flag) {
flag = 0; ++cnt;
vector<pii> lst;
for(int i = 0; i < n; ++i) vis[i] = 0;
for(int i = 0; i < n; ++i) {
if(Find(i) != i) continue;
int ret = bfs(i);
if(ret != -1) lst.push_back({ret, i}), flag = 1;
}
for(auto v : lst) parent[Find(v.second)] = Find(v.first);
}
vector<int> ans;
int mn = *min_element(p, p + n);
for(int i = 0; i < n; ++i) ans.push_back(p[i] == mn);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14432 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14400 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14328 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14452 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14388 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14432 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14400 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14328 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14452 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14388 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14456 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 20 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 22 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 23 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14444 KB |
Output is correct |
| 25 |
Correct |
7 ms |
14360 KB |
Output is correct |
| 26 |
Correct |
7 ms |
14420 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14432 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14400 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14328 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14452 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14388 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14456 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 20 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 22 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 23 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14444 KB |
Output is correct |
| 25 |
Correct |
7 ms |
14360 KB |
Output is correct |
| 26 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14668 KB |
Output is correct |
| 28 |
Correct |
10 ms |
14548 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14656 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14512 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14408 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 34 |
Correct |
8 ms |
14416 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 38 |
Correct |
10 ms |
14548 KB |
Output is correct |
| 39 |
Correct |
10 ms |
14604 KB |
Output is correct |
| 40 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 41 |
Correct |
8 ms |
14548 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14432 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14400 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14328 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14452 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14388 KB |
Output is correct |
| 10 |
Correct |
204 ms |
35960 KB |
Output is correct |
| 11 |
Correct |
204 ms |
48564 KB |
Output is correct |
| 12 |
Correct |
49 ms |
20672 KB |
Output is correct |
| 13 |
Correct |
327 ms |
45848 KB |
Output is correct |
| 14 |
Correct |
173 ms |
47508 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14432 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14400 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14328 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14452 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14388 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14456 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 17 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 20 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 22 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 23 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14444 KB |
Output is correct |
| 25 |
Correct |
7 ms |
14360 KB |
Output is correct |
| 26 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14668 KB |
Output is correct |
| 28 |
Correct |
10 ms |
14548 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14656 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14512 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14408 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 34 |
Correct |
8 ms |
14416 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 38 |
Correct |
10 ms |
14548 KB |
Output is correct |
| 39 |
Correct |
10 ms |
14604 KB |
Output is correct |
| 40 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 41 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 42 |
Correct |
204 ms |
35960 KB |
Output is correct |
| 43 |
Correct |
204 ms |
48564 KB |
Output is correct |
| 44 |
Correct |
49 ms |
20672 KB |
Output is correct |
| 45 |
Correct |
327 ms |
45848 KB |
Output is correct |
| 46 |
Correct |
173 ms |
47508 KB |
Output is correct |
| 47 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 48 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 49 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 50 |
Correct |
134 ms |
47740 KB |
Output is correct |
| 51 |
Correct |
162 ms |
50424 KB |
Output is correct |
| 52 |
Correct |
238 ms |
45600 KB |
Output is correct |
| 53 |
Correct |
227 ms |
45596 KB |
Output is correct |
| 54 |
Correct |
284 ms |
45576 KB |
Output is correct |
| 55 |
Correct |
287 ms |
41640 KB |
Output is correct |
| 56 |
Correct |
348 ms |
55588 KB |
Output is correct |
| 57 |
Correct |
298 ms |
52540 KB |
Output is correct |
| 58 |
Correct |
296 ms |
62192 KB |
Output is correct |
| 59 |
Correct |
306 ms |
53068 KB |
Output is correct |
| 60 |
Correct |
355 ms |
52368 KB |
Output is correct |
| 61 |
Correct |
400 ms |
53532 KB |
Output is correct |
| 62 |
Correct |
1165 ms |
49000 KB |
Output is correct |
| 63 |
Correct |
189 ms |
47912 KB |
Output is correct |
| 64 |
Correct |
10 ms |
14932 KB |
Output is correct |
| 65 |
Correct |
10 ms |
14932 KB |
Output is correct |
| 66 |
Correct |
1006 ms |
49068 KB |
Output is correct |
| 67 |
Correct |
22 ms |
17636 KB |
Output is correct |
| 68 |
Correct |
32 ms |
19792 KB |
Output is correct |
| 69 |
Correct |
329 ms |
53128 KB |
Output is correct |
| 70 |
Correct |
60 ms |
25180 KB |
Output is correct |
| 71 |
Correct |
149 ms |
48052 KB |
Output is correct |
| 72 |
Correct |
372 ms |
53136 KB |
Output is correct |
| 73 |
Correct |
898 ms |
49032 KB |
Output is correct |
