| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 403304 |
2021-05-13T02:51:09 Z |
oolimry |
None (KOI18_family) |
C++17 |
|
555 ms |
59764 KB |
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef pair<int,int> ii;
int n1, n2, K;
vector<int> child[2][300005];
int num[2][300005];
int rep[2][300005];
struct check{ int num, u, t; };
vector<check> stuff;
void dfs(int t, int u){
if(u != 0 && u <= K){
num[t][u] = 1;
rep[t][u] = u;
}
else{
for(int v : child[t][u]){
dfs(t, v);
num[t][u] += num[t][v];
rep[t][u] = rep[t][v];
}
if(num[t][u] > 1) stuff.push_back({num[t][u], u, t});
///idk why child[t][u].size() > 1 is needed .-.
}
}
int p[300005];
int sz[300005];
int findSet(int u){
if(p[u] == u) return u;
else return p[u] = findSet(p[u]);
}
void unionSet(int u, int v){
u = findSet(u), v = findSet(v);
if(u == v) return;
if(u&1) swap(u,v);
p[u] = v;
sz[v] += sz[u];
}
int getSz(int u){
return sz[findSet(u)];
}
int main(){
//freopen("i.txt","r",stdin);
cin >> n1 >> n2 >> K;
for(int i = 1;i <= n1;i++){
int a; cin >> a;
child[0][a].push_back(i);
}
for(int i = 1;i <= n2;i++){
int a; cin >> a;
child[1][a].push_back(i);
}
dfs(0, 0); dfs(1, 0);
for(int i = 1;i <= K;i++){
p[i] = i;
sz[i] = 1;
}
sort(all(stuff), [&](check a, check b){ return a.num < b.num; });
for(check C : stuff){
for(int v : child[C.t][C.u]){
unionSet(rep[C.t][C.u], rep[C.t][v]);
if(((int) child[C.t][C.u].size() == 1)) assert(rep[C.t][C.u] == rep[C.t][v]);
}
if((int) child[C.t][C.u].size() <= 1) continue;
if(getSz(rep[C.t][C.u]) != C.num){
cout << "NO";
return 0;
}
}
cout << "YES";
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
9 ms |
14312 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
9 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 16 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14424 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 26 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14412 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
9 ms |
14312 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
9 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 16 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14424 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 26 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14360 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 39 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 40 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 41 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 42 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 43 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 44 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 45 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 46 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 47 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 48 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 50 |
Correct |
10 ms |
14412 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
9 ms |
14312 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
9 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 16 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14424 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 26 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14360 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 39 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 40 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 41 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 42 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 43 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 44 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 45 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 46 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 47 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 48 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 50 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 51 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 52 |
Correct |
13 ms |
14608 KB |
Output is correct |
| 53 |
Correct |
12 ms |
14684 KB |
Output is correct |
| 54 |
Correct |
12 ms |
14584 KB |
Output is correct |
| 55 |
Correct |
12 ms |
14612 KB |
Output is correct |
| 56 |
Correct |
13 ms |
14528 KB |
Output is correct |
| 57 |
Correct |
12 ms |
14528 KB |
Output is correct |
| 58 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 59 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 60 |
Correct |
11 ms |
14540 KB |
Output is correct |
| 61 |
Correct |
13 ms |
15028 KB |
Output is correct |
| 62 |
Correct |
13 ms |
15132 KB |
Output is correct |
| 63 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 64 |
Correct |
11 ms |
14532 KB |
Output is correct |
| 65 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 66 |
Correct |
13 ms |
14708 KB |
Output is correct |
| 67 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 68 |
Correct |
11 ms |
14696 KB |
Output is correct |
| 69 |
Correct |
13 ms |
14668 KB |
Output is correct |
| 70 |
Correct |
12 ms |
14540 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
9 ms |
14312 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
9 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 11 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 16 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 17 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 22 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14424 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 26 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 29 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14364 KB |
Output is correct |
| 36 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 37 |
Correct |
9 ms |
14360 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 39 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 40 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 41 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 42 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 43 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 44 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 45 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 46 |
Correct |
9 ms |
14380 KB |
Output is correct |
| 47 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 48 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 49 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 50 |
Correct |
10 ms |
14412 KB |
Output is correct |
| 51 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 52 |
Correct |
13 ms |
14608 KB |
Output is correct |
| 53 |
Correct |
12 ms |
14684 KB |
Output is correct |
| 54 |
Correct |
12 ms |
14584 KB |
Output is correct |
| 55 |
Correct |
12 ms |
14612 KB |
Output is correct |
| 56 |
Correct |
13 ms |
14528 KB |
Output is correct |
| 57 |
Correct |
12 ms |
14528 KB |
Output is correct |
| 58 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 59 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 60 |
Correct |
11 ms |
14540 KB |
Output is correct |
| 61 |
Correct |
13 ms |
15028 KB |
Output is correct |
| 62 |
Correct |
13 ms |
15132 KB |
Output is correct |
| 63 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 64 |
Correct |
11 ms |
14532 KB |
Output is correct |
| 65 |
Correct |
9 ms |
14412 KB |
Output is correct |
| 66 |
Correct |
13 ms |
14708 KB |
Output is correct |
| 67 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 68 |
Correct |
11 ms |
14696 KB |
Output is correct |
| 69 |
Correct |
13 ms |
14668 KB |
Output is correct |
| 70 |
Correct |
12 ms |
14540 KB |
Output is correct |
| 71 |
Correct |
59 ms |
18272 KB |
Output is correct |
| 72 |
Correct |
72 ms |
17320 KB |
Output is correct |
| 73 |
Correct |
38 ms |
17156 KB |
Output is correct |
| 74 |
Correct |
64 ms |
21268 KB |
Output is correct |
| 75 |
Correct |
87 ms |
20672 KB |
Output is correct |
| 76 |
Correct |
479 ms |
59764 KB |
Output is correct |
| 77 |
Correct |
555 ms |
45788 KB |
Output is correct |
| 78 |
Correct |
355 ms |
27552 KB |
Output is correct |
| 79 |
Correct |
449 ms |
51196 KB |
Output is correct |
| 80 |
Correct |
493 ms |
44036 KB |
Output is correct |
| 81 |
Correct |
53 ms |
18228 KB |
Output is correct |
| 82 |
Correct |
54 ms |
17400 KB |
Output is correct |
| 83 |
Correct |
37 ms |
17296 KB |
Output is correct |
| 84 |
Correct |
67 ms |
20844 KB |
Output is correct |
| 85 |
Correct |
61 ms |
20672 KB |
Output is correct |
| 86 |
Correct |
410 ms |
53488 KB |
Output is correct |
| 87 |
Correct |
427 ms |
53568 KB |
Output is correct |
| 88 |
Correct |
377 ms |
27556 KB |
Output is correct |
| 89 |
Correct |
425 ms |
49700 KB |
Output is correct |
| 90 |
Correct |
468 ms |
44316 KB |
Output is correct |
