# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
759310 |
2023-06-16T05:40:51 Z |
drdilyor |
Keys (IOI21_keys) |
C++17 |
|
3000 ms |
24052 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
struct DSU {
int n;
vector<int> parent;
vector<int> size;
vector<vector<int>> set;
DSU(int n) : n(n), parent(n), size(n, 1),set(n) {
for (int i = 0; i < n ;i++)
parent[i] = i, set[i] = {i};
}
int get(int i) {
return parent[i] == i ? i : parent[i] = get(parent[i]);
}
void merge(int v, int u) {
v = get(v);
u = get(u);
if (u == v) return;
if (size[v] < size[u]) swap(v, u);
parent[u] = v;
size[v] += size[u];
for (int i : set[u])set[v].push_back(i);
}
};
vi find_reachable(vi r, vi u, vi v, vi c) {
int n = r.size();
int m = u.size();
vector<vi> byc(n);
for (int i = 0; i < m; i++)
byc[c[i]].push_back(i);
vi count(n);
for (int root = 0; root < n; root++) {
DSU cc(n);
vi obtained(n);
vi new_keys;
obtained[r[root]] = 1;
new_keys.push_back(r[root]);
while (new_keys.size()) {
vi keys = std::move(new_keys);
for (int i : keys) {
for (int j : byc[i]) {
if (cc.get(v[j]) == cc.get(u[j])) continue;
if (cc.get(u[j]) == cc.get(root))
swap(v[j], u[j]);
if (cc.get(v[j]) == cc.get(root)) {
for (int k : cc.set[cc.get(u[j])])
if (!obtained[r[k]]) {
obtained[r[k]] = 1;
new_keys.push_back(r[k]);
}
}
cc.merge(v[j], u[j]);
}
}
}
count[root] = cc.size[cc.get(root)];
}
vi ans(n);
int mn = *min_element(count.begin(), count.end());
for (int i = 0;i < n;i++)
ans[i] = count[i] == mn;
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
404 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
2 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
404 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
2 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
300 KB |
Output is correct |
11 |
Correct |
2 ms |
212 KB |
Output is correct |
12 |
Correct |
2 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
300 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
304 KB |
Output is correct |
17 |
Correct |
1 ms |
304 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
304 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
3 ms |
296 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
212 KB |
Output is correct |
24 |
Correct |
3 ms |
340 KB |
Output is correct |
25 |
Correct |
3 ms |
212 KB |
Output is correct |
26 |
Correct |
3 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
404 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
2 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
300 KB |
Output is correct |
11 |
Correct |
2 ms |
212 KB |
Output is correct |
12 |
Correct |
2 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
300 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
304 KB |
Output is correct |
17 |
Correct |
1 ms |
304 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
304 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
3 ms |
296 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
212 KB |
Output is correct |
24 |
Correct |
3 ms |
340 KB |
Output is correct |
25 |
Correct |
3 ms |
212 KB |
Output is correct |
26 |
Correct |
3 ms |
212 KB |
Output is correct |
27 |
Correct |
191 ms |
636 KB |
Output is correct |
28 |
Correct |
189 ms |
636 KB |
Output is correct |
29 |
Correct |
185 ms |
596 KB |
Output is correct |
30 |
Correct |
44 ms |
340 KB |
Output is correct |
31 |
Correct |
33 ms |
340 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
24 ms |
452 KB |
Output is correct |
34 |
Correct |
62 ms |
452 KB |
Output is correct |
35 |
Correct |
48 ms |
436 KB |
Output is correct |
36 |
Correct |
200 ms |
576 KB |
Output is correct |
37 |
Correct |
201 ms |
572 KB |
Output is correct |
38 |
Correct |
290 ms |
624 KB |
Output is correct |
39 |
Correct |
309 ms |
624 KB |
Output is correct |
40 |
Correct |
59 ms |
468 KB |
Output is correct |
41 |
Correct |
98 ms |
436 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
404 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
2 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Execution timed out |
3031 ms |
24052 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
404 KB |
Output is correct |
3 |
Correct |
1 ms |
304 KB |
Output is correct |
4 |
Correct |
2 ms |
300 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
2 ms |
212 KB |
Output is correct |
9 |
Correct |
3 ms |
212 KB |
Output is correct |
10 |
Correct |
2 ms |
300 KB |
Output is correct |
11 |
Correct |
2 ms |
212 KB |
Output is correct |
12 |
Correct |
2 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
300 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
304 KB |
Output is correct |
17 |
Correct |
1 ms |
304 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
304 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
3 ms |
296 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
2 ms |
212 KB |
Output is correct |
24 |
Correct |
3 ms |
340 KB |
Output is correct |
25 |
Correct |
3 ms |
212 KB |
Output is correct |
26 |
Correct |
3 ms |
212 KB |
Output is correct |
27 |
Correct |
191 ms |
636 KB |
Output is correct |
28 |
Correct |
189 ms |
636 KB |
Output is correct |
29 |
Correct |
185 ms |
596 KB |
Output is correct |
30 |
Correct |
44 ms |
340 KB |
Output is correct |
31 |
Correct |
33 ms |
340 KB |
Output is correct |
32 |
Correct |
5 ms |
340 KB |
Output is correct |
33 |
Correct |
24 ms |
452 KB |
Output is correct |
34 |
Correct |
62 ms |
452 KB |
Output is correct |
35 |
Correct |
48 ms |
436 KB |
Output is correct |
36 |
Correct |
200 ms |
576 KB |
Output is correct |
37 |
Correct |
201 ms |
572 KB |
Output is correct |
38 |
Correct |
290 ms |
624 KB |
Output is correct |
39 |
Correct |
309 ms |
624 KB |
Output is correct |
40 |
Correct |
59 ms |
468 KB |
Output is correct |
41 |
Correct |
98 ms |
436 KB |
Output is correct |
42 |
Execution timed out |
3031 ms |
24052 KB |
Time limit exceeded |
43 |
Halted |
0 ms |
0 KB |
- |