답안 #403300

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
403300	2021-05-13T02:48:02 Z	oolimry	족보 (KOI18_family)	C++17	100 / 100	614 ms	63724 KB

family

#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(num[t][u] != 0) return;
	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 && (int) child[t][u].size() > 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(getSz(rep[C.t][C.u]) != C.num){
			cout << "NO";
			return 0;
		}
	}
	
	
	cout << "YES";
}

Subtask #1
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	14412 KB	Output is correct
2	Correct	8 ms	14428 KB	Output is correct
3	Correct	8 ms	14344 KB	Output is correct
4	Correct	9 ms	14504 KB	Output is correct
5	Correct	9 ms	14400 KB	Output is correct
6	Correct	9 ms	14412 KB	Output is correct
7	Correct	9 ms	14412 KB	Output is correct
8	Correct	9 ms	14432 KB	Output is correct
9	Correct	9 ms	14412 KB	Output is correct
10	Correct	9 ms	14428 KB	Output is correct
11	Correct	8 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	9 ms	14432 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	14428 KB	Output is correct
19	Correct	9 ms	14412 KB	Output is correct
20	Correct	9 ms	14412 KB	Output is correct
21	Correct	9 ms	14408 KB	Output is correct
22	Correct	9 ms	14332 KB	Output is correct
23	Correct	8 ms	14404 KB	Output is correct
24	Correct	9 ms	14420 KB	Output is correct
25	Correct	9 ms	14412 KB	Output is correct
26	Correct	9 ms	14400 KB	Output is correct
27	Correct	9 ms	14412 KB	Output is correct
28	Correct	9 ms	14400 KB	Output is correct
29	Correct	8 ms	14412 KB	Output is correct
30	Correct	9 ms	14412 KB	Output is correct

Subtask #2
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	14412 KB	Output is correct
2	Correct	8 ms	14428 KB	Output is correct
3	Correct	8 ms	14344 KB	Output is correct
4	Correct	9 ms	14504 KB	Output is correct
5	Correct	9 ms	14400 KB	Output is correct
6	Correct	9 ms	14412 KB	Output is correct
7	Correct	9 ms	14412 KB	Output is correct
8	Correct	9 ms	14432 KB	Output is correct
9	Correct	9 ms	14412 KB	Output is correct
10	Correct	9 ms	14428 KB	Output is correct
11	Correct	8 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	9 ms	14432 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	14428 KB	Output is correct
19	Correct	9 ms	14412 KB	Output is correct
20	Correct	9 ms	14412 KB	Output is correct
21	Correct	9 ms	14408 KB	Output is correct
22	Correct	9 ms	14332 KB	Output is correct
23	Correct	8 ms	14404 KB	Output is correct
24	Correct	9 ms	14420 KB	Output is correct
25	Correct	9 ms	14412 KB	Output is correct
26	Correct	9 ms	14400 KB	Output is correct
27	Correct	9 ms	14412 KB	Output is correct
28	Correct	9 ms	14400 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	14400 KB	Output is correct
32	Correct	8 ms	14412 KB	Output is correct
33	Correct	9 ms	14404 KB	Output is correct
34	Correct	9 ms	14396 KB	Output is correct
35	Correct	8 ms	14368 KB	Output is correct
36	Correct	9 ms	14412 KB	Output is correct
37	Correct	9 ms	14412 KB	Output is correct
38	Correct	9 ms	14412 KB	Output is correct
39	Correct	9 ms	14404 KB	Output is correct
40	Correct	10 ms	14408 KB	Output is correct
41	Correct	9 ms	14412 KB	Output is correct
42	Correct	10 ms	14412 KB	Output is correct
43	Correct	9 ms	14420 KB	Output is correct
44	Correct	9 ms	14400 KB	Output is correct
45	Correct	9 ms	14412 KB	Output is correct
46	Correct	9 ms	14412 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	8 ms	14412 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	14412 KB	Output is correct
2	Correct	8 ms	14428 KB	Output is correct
3	Correct	8 ms	14344 KB	Output is correct
4	Correct	9 ms	14504 KB	Output is correct
5	Correct	9 ms	14400 KB	Output is correct
6	Correct	9 ms	14412 KB	Output is correct
7	Correct	9 ms	14412 KB	Output is correct
8	Correct	9 ms	14432 KB	Output is correct
9	Correct	9 ms	14412 KB	Output is correct
10	Correct	9 ms	14428 KB	Output is correct
11	Correct	8 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	9 ms	14432 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	14428 KB	Output is correct
19	Correct	9 ms	14412 KB	Output is correct
20	Correct	9 ms	14412 KB	Output is correct
21	Correct	9 ms	14408 KB	Output is correct
22	Correct	9 ms	14332 KB	Output is correct
23	Correct	8 ms	14404 KB	Output is correct
24	Correct	9 ms	14420 KB	Output is correct
25	Correct	9 ms	14412 KB	Output is correct
26	Correct	9 ms	14400 KB	Output is correct
27	Correct	9 ms	14412 KB	Output is correct
28	Correct	9 ms	14400 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	14400 KB	Output is correct
32	Correct	8 ms	14412 KB	Output is correct
33	Correct	9 ms	14404 KB	Output is correct
34	Correct	9 ms	14396 KB	Output is correct
35	Correct	8 ms	14368 KB	Output is correct
36	Correct	9 ms	14412 KB	Output is correct
37	Correct	9 ms	14412 KB	Output is correct
38	Correct	9 ms	14412 KB	Output is correct
39	Correct	9 ms	14404 KB	Output is correct
40	Correct	10 ms	14408 KB	Output is correct
41	Correct	9 ms	14412 KB	Output is correct
42	Correct	10 ms	14412 KB	Output is correct
43	Correct	9 ms	14420 KB	Output is correct
44	Correct	9 ms	14400 KB	Output is correct
45	Correct	9 ms	14412 KB	Output is correct
46	Correct	9 ms	14412 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	8 ms	14412 KB	Output is correct
51	Correct	13 ms	14672 KB	Output is correct
52	Correct	14 ms	14668 KB	Output is correct
53	Correct	15 ms	14804 KB	Output is correct
54	Correct	13 ms	14672 KB	Output is correct
55	Correct	14 ms	14592 KB	Output is correct
56	Correct	14 ms	14612 KB	Output is correct
57	Correct	14 ms	14572 KB	Output is correct
58	Correct	13 ms	14668 KB	Output is correct
59	Correct	13 ms	14676 KB	Output is correct
60	Correct	13 ms	14524 KB	Output is correct
61	Correct	15 ms	15124 KB	Output is correct
62	Correct	14 ms	15096 KB	Output is correct
63	Correct	13 ms	14548 KB	Output is correct
64	Correct	11 ms	14540 KB	Output is correct
65	Correct	9 ms	14400 KB	Output is correct
66	Correct	14 ms	14668 KB	Output is correct
67	Correct	13 ms	14668 KB	Output is correct
68	Correct	13 ms	14668 KB	Output is correct
69	Correct	15 ms	14796 KB	Output is correct
70	Correct	13 ms	14540 KB	Output is correct

Subtask #4
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	14412 KB	Output is correct
2	Correct	8 ms	14428 KB	Output is correct
3	Correct	8 ms	14344 KB	Output is correct
4	Correct	9 ms	14504 KB	Output is correct
5	Correct	9 ms	14400 KB	Output is correct
6	Correct	9 ms	14412 KB	Output is correct
7	Correct	9 ms	14412 KB	Output is correct
8	Correct	9 ms	14432 KB	Output is correct
9	Correct	9 ms	14412 KB	Output is correct
10	Correct	9 ms	14428 KB	Output is correct
11	Correct	8 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	9 ms	14432 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	14428 KB	Output is correct
19	Correct	9 ms	14412 KB	Output is correct
20	Correct	9 ms	14412 KB	Output is correct
21	Correct	9 ms	14408 KB	Output is correct
22	Correct	9 ms	14332 KB	Output is correct
23	Correct	8 ms	14404 KB	Output is correct
24	Correct	9 ms	14420 KB	Output is correct
25	Correct	9 ms	14412 KB	Output is correct
26	Correct	9 ms	14400 KB	Output is correct
27	Correct	9 ms	14412 KB	Output is correct
28	Correct	9 ms	14400 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	14400 KB	Output is correct
32	Correct	8 ms	14412 KB	Output is correct
33	Correct	9 ms	14404 KB	Output is correct
34	Correct	9 ms	14396 KB	Output is correct
35	Correct	8 ms	14368 KB	Output is correct
36	Correct	9 ms	14412 KB	Output is correct
37	Correct	9 ms	14412 KB	Output is correct
38	Correct	9 ms	14412 KB	Output is correct
39	Correct	9 ms	14404 KB	Output is correct
40	Correct	10 ms	14408 KB	Output is correct
41	Correct	9 ms	14412 KB	Output is correct
42	Correct	10 ms	14412 KB	Output is correct
43	Correct	9 ms	14420 KB	Output is correct
44	Correct	9 ms	14400 KB	Output is correct
45	Correct	9 ms	14412 KB	Output is correct
46	Correct	9 ms	14412 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	8 ms	14412 KB	Output is correct
51	Correct	13 ms	14672 KB	Output is correct
52	Correct	14 ms	14668 KB	Output is correct
53	Correct	15 ms	14804 KB	Output is correct
54	Correct	13 ms	14672 KB	Output is correct
55	Correct	14 ms	14592 KB	Output is correct
56	Correct	14 ms	14612 KB	Output is correct
57	Correct	14 ms	14572 KB	Output is correct
58	Correct	13 ms	14668 KB	Output is correct
59	Correct	13 ms	14676 KB	Output is correct
60	Correct	13 ms	14524 KB	Output is correct
61	Correct	15 ms	15124 KB	Output is correct
62	Correct	14 ms	15096 KB	Output is correct
63	Correct	13 ms	14548 KB	Output is correct
64	Correct	11 ms	14540 KB	Output is correct
65	Correct	9 ms	14400 KB	Output is correct
66	Correct	14 ms	14668 KB	Output is correct
67	Correct	13 ms	14668 KB	Output is correct
68	Correct	13 ms	14668 KB	Output is correct
69	Correct	15 ms	14796 KB	Output is correct
70	Correct	13 ms	14540 KB	Output is correct
71	Correct	74 ms	18396 KB	Output is correct
72	Correct	77 ms	17864 KB	Output is correct
73	Correct	47 ms	17092 KB	Output is correct
74	Correct	79 ms	21796 KB	Output is correct
75	Correct	84 ms	20276 KB	Output is correct
76	Correct	614 ms	63724 KB	Output is correct
77	Correct	597 ms	43460 KB	Output is correct
78	Correct	444 ms	31248 KB	Output is correct
79	Correct	501 ms	51180 KB	Output is correct
80	Correct	536 ms	41284 KB	Output is correct
81	Correct	70 ms	18316 KB	Output is correct
82	Correct	74 ms	17852 KB	Output is correct
83	Correct	45 ms	17204 KB	Output is correct
84	Correct	79 ms	21432 KB	Output is correct
85	Correct	79 ms	20292 KB	Output is correct
86	Correct	514 ms	57568 KB	Output is correct
87	Correct	520 ms	57724 KB	Output is correct
88	Correct	439 ms	31200 KB	Output is correct
89	Correct	505 ms	49724 KB	Output is correct
90	Correct	507 ms	41540 KB	Output is correct

답안 #403300

Compilation message

Subtask #1 17.0 / 17.0

Subtask #2 27.0 / 27.0

Subtask #3 15.0 / 15.0

Subtask #4 41.0 / 41.0

Subtask #1
17.0 / 17.0

Subtask #2
27.0 / 27.0

Subtask #3
15.0 / 15.0

Subtask #4
41.0 / 41.0