답안 #158730

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
158730	2019-10-18T14:18:35 Z	maruii	족보 (KOI18_family)	C++14	100 / 100	335 ms	47236 KB

family

#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
#define ff first
#define ss second

int N, M, K;
struct G {
	vector<int> edge[300005];
	int sz[300005], rep[300005];
	void dfs(int x) {
		if (x && x <= K) rep[x] = x, sz[x] = 1;
		for (auto i : edge[x]) {
			dfs(i);
			rep[x] = rep[i];
			sz[x] += sz[i];
		}
	}
} t1, t2;

int par[300005], sz[300005];
int fnd(int x) { return x == par[x] ? x : par[x] = fnd(par[x]); }
void uni(int x, int y) {
	x = fnd(x), y = fnd(y);
	if (x == y) return;
	par[y] = x;
	sz[x] += sz[y];
}

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> N >> M >> K;
	iota(par, par + K + 1, 0);
	fill(sz, sz + K + 1, 1);
	for (int i = 1; i <= N; ++i) {
		int x; cin >> x;
		t1.edge[x].push_back(i);
	}
	for (int i = 1; i <= M; ++i) {
		int x; cin >> x;
		t2.edge[x].push_back(i);
	}
	t1.dfs(0);
	t2.dfs(0);
	vector<pii> vec;
	for (int i = K + 1; i <= N; ++i) if (t1.edge[i].size() > 1) vec.emplace_back(t1.sz[i], i);
	for (int i = K + 1; i <= M; ++i) if (t2.edge[i].size() > 1) vec.emplace_back(t2.sz[i], -i);
	sort(vec.begin(), vec.end());
	for (auto i : vec) {
		int r;
		if (i.ss < 0) {
			i.ss = -i.ss;
			r = t2.rep[i.ss];
			for (auto j : t2.edge[i.ss]) uni(r, t2.rep[j]);
		}
		else {
			r = t1.rep[i.ss];
			for (auto j : t1.edge[i.ss]) uni(r, t1.rep[j]);
		}
		if (sz[fnd(r)] != i.ff) return !printf("NO");
	}
	printf("YES");
	return 0;
}

Subtask #1
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	14456 KB	Output is correct
2	Correct	14 ms	14456 KB	Output is correct
3	Correct	14 ms	14460 KB	Output is correct
4	Correct	14 ms	14452 KB	Output is correct
5	Correct	15 ms	14460 KB	Output is correct
6	Correct	15 ms	14456 KB	Output is correct
7	Correct	14 ms	14456 KB	Output is correct
8	Correct	14 ms	14456 KB	Output is correct
9	Correct	14 ms	14456 KB	Output is correct
10	Correct	14 ms	14456 KB	Output is correct
11	Correct	14 ms	14456 KB	Output is correct
12	Correct	15 ms	14468 KB	Output is correct
13	Correct	14 ms	14428 KB	Output is correct
14	Correct	14 ms	14456 KB	Output is correct
15	Correct	14 ms	14456 KB	Output is correct
16	Correct	15 ms	14712 KB	Output is correct
17	Correct	14 ms	14456 KB	Output is correct
18	Correct	14 ms	14456 KB	Output is correct
19	Correct	15 ms	14460 KB	Output is correct
20	Correct	14 ms	14460 KB	Output is correct
21	Correct	15 ms	14456 KB	Output is correct
22	Correct	14 ms	14456 KB	Output is correct
23	Correct	14 ms	14456 KB	Output is correct
24	Correct	15 ms	14456 KB	Output is correct
25	Correct	14 ms	14456 KB	Output is correct
26	Correct	14 ms	14456 KB	Output is correct
27	Correct	14 ms	14448 KB	Output is correct
28	Correct	14 ms	14456 KB	Output is correct
29	Correct	14 ms	14456 KB	Output is correct
30	Correct	14 ms	14456 KB	Output is correct

Subtask #2
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	14456 KB	Output is correct
2	Correct	14 ms	14456 KB	Output is correct
3	Correct	14 ms	14460 KB	Output is correct
4	Correct	14 ms	14452 KB	Output is correct
5	Correct	15 ms	14460 KB	Output is correct
6	Correct	15 ms	14456 KB	Output is correct
7	Correct	14 ms	14456 KB	Output is correct
8	Correct	14 ms	14456 KB	Output is correct
9	Correct	14 ms	14456 KB	Output is correct
10	Correct	14 ms	14456 KB	Output is correct
11	Correct	14 ms	14456 KB	Output is correct
12	Correct	15 ms	14468 KB	Output is correct
13	Correct	14 ms	14428 KB	Output is correct
14	Correct	14 ms	14456 KB	Output is correct
15	Correct	14 ms	14456 KB	Output is correct
16	Correct	15 ms	14712 KB	Output is correct
17	Correct	14 ms	14456 KB	Output is correct
18	Correct	14 ms	14456 KB	Output is correct
19	Correct	15 ms	14460 KB	Output is correct
20	Correct	14 ms	14460 KB	Output is correct
21	Correct	15 ms	14456 KB	Output is correct
22	Correct	14 ms	14456 KB	Output is correct
23	Correct	14 ms	14456 KB	Output is correct
24	Correct	15 ms	14456 KB	Output is correct
25	Correct	14 ms	14456 KB	Output is correct
26	Correct	14 ms	14456 KB	Output is correct
27	Correct	14 ms	14448 KB	Output is correct
28	Correct	14 ms	14456 KB	Output is correct
29	Correct	14 ms	14456 KB	Output is correct
30	Correct	14 ms	14456 KB	Output is correct
31	Correct	14 ms	14456 KB	Output is correct
32	Correct	14 ms	14456 KB	Output is correct
33	Correct	14 ms	14456 KB	Output is correct
34	Correct	14 ms	14460 KB	Output is correct
35	Correct	14 ms	14456 KB	Output is correct
36	Correct	14 ms	14456 KB	Output is correct
37	Correct	15 ms	14456 KB	Output is correct
38	Correct	15 ms	14456 KB	Output is correct
39	Correct	15 ms	14712 KB	Output is correct
40	Correct	15 ms	14460 KB	Output is correct
41	Correct	15 ms	14456 KB	Output is correct
42	Correct	14 ms	14456 KB	Output is correct
43	Correct	14 ms	14456 KB	Output is correct
44	Correct	14 ms	14456 KB	Output is correct
45	Correct	15 ms	14456 KB	Output is correct
46	Correct	14 ms	14456 KB	Output is correct
47	Correct	14 ms	14456 KB	Output is correct
48	Correct	15 ms	14456 KB	Output is correct
49	Correct	14 ms	14456 KB	Output is correct
50	Correct	14 ms	14492 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	14456 KB	Output is correct
2	Correct	14 ms	14456 KB	Output is correct
3	Correct	14 ms	14460 KB	Output is correct
4	Correct	14 ms	14452 KB	Output is correct
5	Correct	15 ms	14460 KB	Output is correct
6	Correct	15 ms	14456 KB	Output is correct
7	Correct	14 ms	14456 KB	Output is correct
8	Correct	14 ms	14456 KB	Output is correct
9	Correct	14 ms	14456 KB	Output is correct
10	Correct	14 ms	14456 KB	Output is correct
11	Correct	14 ms	14456 KB	Output is correct
12	Correct	15 ms	14468 KB	Output is correct
13	Correct	14 ms	14428 KB	Output is correct
14	Correct	14 ms	14456 KB	Output is correct
15	Correct	14 ms	14456 KB	Output is correct
16	Correct	15 ms	14712 KB	Output is correct
17	Correct	14 ms	14456 KB	Output is correct
18	Correct	14 ms	14456 KB	Output is correct
19	Correct	15 ms	14460 KB	Output is correct
20	Correct	14 ms	14460 KB	Output is correct
21	Correct	15 ms	14456 KB	Output is correct
22	Correct	14 ms	14456 KB	Output is correct
23	Correct	14 ms	14456 KB	Output is correct
24	Correct	15 ms	14456 KB	Output is correct
25	Correct	14 ms	14456 KB	Output is correct
26	Correct	14 ms	14456 KB	Output is correct
27	Correct	14 ms	14448 KB	Output is correct
28	Correct	14 ms	14456 KB	Output is correct
29	Correct	14 ms	14456 KB	Output is correct
30	Correct	14 ms	14456 KB	Output is correct
31	Correct	14 ms	14456 KB	Output is correct
32	Correct	14 ms	14456 KB	Output is correct
33	Correct	14 ms	14456 KB	Output is correct
34	Correct	14 ms	14460 KB	Output is correct
35	Correct	14 ms	14456 KB	Output is correct
36	Correct	14 ms	14456 KB	Output is correct
37	Correct	15 ms	14456 KB	Output is correct
38	Correct	15 ms	14456 KB	Output is correct
39	Correct	15 ms	14712 KB	Output is correct
40	Correct	15 ms	14460 KB	Output is correct
41	Correct	15 ms	14456 KB	Output is correct
42	Correct	14 ms	14456 KB	Output is correct
43	Correct	14 ms	14456 KB	Output is correct
44	Correct	14 ms	14456 KB	Output is correct
45	Correct	15 ms	14456 KB	Output is correct
46	Correct	14 ms	14456 KB	Output is correct
47	Correct	14 ms	14456 KB	Output is correct
48	Correct	15 ms	14456 KB	Output is correct
49	Correct	14 ms	14456 KB	Output is correct
50	Correct	14 ms	14492 KB	Output is correct
51	Correct	16 ms	14712 KB	Output is correct
52	Correct	17 ms	14712 KB	Output is correct
53	Correct	17 ms	14840 KB	Output is correct
54	Correct	17 ms	14652 KB	Output is correct
55	Correct	16 ms	14712 KB	Output is correct
56	Correct	16 ms	14716 KB	Output is correct
57	Correct	17 ms	14712 KB	Output is correct
58	Correct	16 ms	14712 KB	Output is correct
59	Correct	16 ms	14712 KB	Output is correct
60	Correct	16 ms	14712 KB	Output is correct
61	Correct	17 ms	14968 KB	Output is correct
62	Correct	17 ms	14892 KB	Output is correct
63	Correct	16 ms	14712 KB	Output is correct
64	Correct	16 ms	14712 KB	Output is correct
65	Correct	15 ms	14456 KB	Output is correct
66	Correct	17 ms	14840 KB	Output is correct
67	Correct	16 ms	14712 KB	Output is correct
68	Correct	16 ms	14712 KB	Output is correct
69	Correct	17 ms	14840 KB	Output is correct
70	Correct	15 ms	14712 KB	Output is correct

Subtask #4
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	14 ms	14456 KB	Output is correct
2	Correct	14 ms	14456 KB	Output is correct
3	Correct	14 ms	14460 KB	Output is correct
4	Correct	14 ms	14452 KB	Output is correct
5	Correct	15 ms	14460 KB	Output is correct
6	Correct	15 ms	14456 KB	Output is correct
7	Correct	14 ms	14456 KB	Output is correct
8	Correct	14 ms	14456 KB	Output is correct
9	Correct	14 ms	14456 KB	Output is correct
10	Correct	14 ms	14456 KB	Output is correct
11	Correct	14 ms	14456 KB	Output is correct
12	Correct	15 ms	14468 KB	Output is correct
13	Correct	14 ms	14428 KB	Output is correct
14	Correct	14 ms	14456 KB	Output is correct
15	Correct	14 ms	14456 KB	Output is correct
16	Correct	15 ms	14712 KB	Output is correct
17	Correct	14 ms	14456 KB	Output is correct
18	Correct	14 ms	14456 KB	Output is correct
19	Correct	15 ms	14460 KB	Output is correct
20	Correct	14 ms	14460 KB	Output is correct
21	Correct	15 ms	14456 KB	Output is correct
22	Correct	14 ms	14456 KB	Output is correct
23	Correct	14 ms	14456 KB	Output is correct
24	Correct	15 ms	14456 KB	Output is correct
25	Correct	14 ms	14456 KB	Output is correct
26	Correct	14 ms	14456 KB	Output is correct
27	Correct	14 ms	14448 KB	Output is correct
28	Correct	14 ms	14456 KB	Output is correct
29	Correct	14 ms	14456 KB	Output is correct
30	Correct	14 ms	14456 KB	Output is correct
31	Correct	14 ms	14456 KB	Output is correct
32	Correct	14 ms	14456 KB	Output is correct
33	Correct	14 ms	14456 KB	Output is correct
34	Correct	14 ms	14460 KB	Output is correct
35	Correct	14 ms	14456 KB	Output is correct
36	Correct	14 ms	14456 KB	Output is correct
37	Correct	15 ms	14456 KB	Output is correct
38	Correct	15 ms	14456 KB	Output is correct
39	Correct	15 ms	14712 KB	Output is correct
40	Correct	15 ms	14460 KB	Output is correct
41	Correct	15 ms	14456 KB	Output is correct
42	Correct	14 ms	14456 KB	Output is correct
43	Correct	14 ms	14456 KB	Output is correct
44	Correct	14 ms	14456 KB	Output is correct
45	Correct	15 ms	14456 KB	Output is correct
46	Correct	14 ms	14456 KB	Output is correct
47	Correct	14 ms	14456 KB	Output is correct
48	Correct	15 ms	14456 KB	Output is correct
49	Correct	14 ms	14456 KB	Output is correct
50	Correct	14 ms	14492 KB	Output is correct
51	Correct	16 ms	14712 KB	Output is correct
52	Correct	17 ms	14712 KB	Output is correct
53	Correct	17 ms	14840 KB	Output is correct
54	Correct	17 ms	14652 KB	Output is correct
55	Correct	16 ms	14712 KB	Output is correct
56	Correct	16 ms	14716 KB	Output is correct
57	Correct	17 ms	14712 KB	Output is correct
58	Correct	16 ms	14712 KB	Output is correct
59	Correct	16 ms	14712 KB	Output is correct
60	Correct	16 ms	14712 KB	Output is correct
61	Correct	17 ms	14968 KB	Output is correct
62	Correct	17 ms	14892 KB	Output is correct
63	Correct	16 ms	14712 KB	Output is correct
64	Correct	16 ms	14712 KB	Output is correct
65	Correct	15 ms	14456 KB	Output is correct
66	Correct	17 ms	14840 KB	Output is correct
67	Correct	16 ms	14712 KB	Output is correct
68	Correct	16 ms	14712 KB	Output is correct
69	Correct	17 ms	14840 KB	Output is correct
70	Correct	15 ms	14712 KB	Output is correct
71	Correct	43 ms	18424 KB	Output is correct
72	Correct	48 ms	17836 KB	Output is correct
73	Correct	32 ms	16996 KB	Output is correct
74	Correct	48 ms	19608 KB	Output is correct
75	Correct	45 ms	19320 KB	Output is correct
76	Correct	315 ms	47236 KB	Output is correct
77	Correct	335 ms	42360 KB	Output is correct
78	Correct	238 ms	30832 KB	Output is correct
79	Correct	276 ms	40824 KB	Output is correct
80	Correct	317 ms	39672 KB	Output is correct
81	Correct	46 ms	18296 KB	Output is correct
82	Correct	45 ms	17828 KB	Output is correct
83	Correct	31 ms	17016 KB	Output is correct
84	Correct	44 ms	19576 KB	Output is correct
85	Correct	44 ms	19320 KB	Output is correct
86	Correct	261 ms	42728 KB	Output is correct
87	Correct	286 ms	42952 KB	Output is correct
88	Correct	189 ms	30824 KB	Output is correct
89	Correct	286 ms	40364 KB	Output is correct
90	Correct	297 ms	39772 KB	Output is correct

답안 #158730

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