답안 #63148 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
63148	2018-08-01T01:13:36 Z	khsoo01	족보 (KOI18_family)	C++11	100 / 100	593 ms	80276 KB

family

#include<bits/stdc++.h>
#define X first
#define Y second
using namespace std;
typedef pair<int,int> pii;

const int N = 300005;

int k, par[N], cnt[N];

vector<pair<int,pii> > v;

int Find (int X) {
	if(par[X] == X) return X;
	return par[X] = Find(par[X]);
}

void Union (int X, int Y) {
	X = Find(X);
	Y = Find(Y);
	if(X == Y) return;
	par[Y] = X;
	cnt[X] += cnt[Y];
}

struct tree {
	int n, r, l[N], f[N];
	vector<int> adj[N];
	void input() {
		for(int i=1;i<=n;i++) {
			int T;
			scanf("%d",&T);
			if(!T) r = i;
			else adj[T].push_back(i);
		}
	}
	int calc (int J, int I) {
		if(I <= k) {
			f[I] = I;
			l[I] = 1;
			return I;
		}
		l[I] = 0;
		for(auto &T : adj[I]) {
			f[I] = calc(J, T);
			l[I] += l[T];
		}
		if((int)adj[I].size() != 1) {
			v.push_back({l[I], {J, I}});
		}
		return f[I];
	}
	void solve (int I) {
		for(auto &T : adj[I]) {
			Union(f[T], f[I]);
		}
		if(cnt[Find(f[I])] != l[I]) {
			puts("NO");
			exit(0);
		}
	}
} t[2];

int main()
{
	scanf("%d%d%d",&t[0].n,&t[1].n,&k);
	t[0].input();
	t[1].input();
	t[0].calc(0, t[0].r);
	t[1].calc(1, t[1].r);
	sort(v.begin(), v.end());
	for(int i=1;i<=k;i++) {
		par[i] = i;
		cnt[i] = 1;
	}
	for(auto &T : v) {
		int A, B;
		tie(A, B) = T.Y;
		t[A].solve(B);
	}
	puts("YES");
}

Compilation message

family.cpp: In function 'int main()':
family.cpp:66:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&t[0].n,&t[1].n,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
family.cpp: In member function 'void tree::input()':
family.cpp:32:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&T);
    ~~~~~^~~~~~~~~

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	14576 KB	Output is correct
3	Correct	14 ms	14616 KB	Output is correct
4	Correct	18 ms	14616 KB	Output is correct
5	Correct	18 ms	14616 KB	Output is correct
6	Correct	16 ms	14616 KB	Output is correct
7	Correct	14 ms	14616 KB	Output is correct
8	Correct	14 ms	14616 KB	Output is correct
9	Correct	14 ms	14616 KB	Output is correct
10	Correct	13 ms	14644 KB	Output is correct
11	Correct	14 ms	14644 KB	Output is correct
12	Correct	17 ms	14728 KB	Output is correct
13	Correct	16 ms	14728 KB	Output is correct
14	Correct	14 ms	14816 KB	Output is correct
15	Correct	15 ms	14816 KB	Output is correct
16	Correct	14 ms	14816 KB	Output is correct
17	Correct	17 ms	14868 KB	Output is correct
18	Correct	15 ms	14868 KB	Output is correct
19	Correct	14 ms	14868 KB	Output is correct
20	Correct	16 ms	14868 KB	Output is correct
21	Correct	18 ms	15012 KB	Output is correct
22	Correct	19 ms	15012 KB	Output is correct
23	Correct	16 ms	15012 KB	Output is correct
24	Correct	14 ms	15012 KB	Output is correct
25	Correct	14 ms	15012 KB	Output is correct
26	Correct	16 ms	15012 KB	Output is correct
27	Correct	15 ms	15012 KB	Output is correct
28	Correct	14 ms	15012 KB	Output is correct
29	Correct	18 ms	15012 KB	Output is correct
30	Correct	18 ms	15012 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	14576 KB	Output is correct
3	Correct	14 ms	14616 KB	Output is correct
4	Correct	18 ms	14616 KB	Output is correct
5	Correct	18 ms	14616 KB	Output is correct
6	Correct	16 ms	14616 KB	Output is correct
7	Correct	14 ms	14616 KB	Output is correct
8	Correct	14 ms	14616 KB	Output is correct
9	Correct	14 ms	14616 KB	Output is correct
10	Correct	13 ms	14644 KB	Output is correct
11	Correct	14 ms	14644 KB	Output is correct
12	Correct	17 ms	14728 KB	Output is correct
13	Correct	16 ms	14728 KB	Output is correct
14	Correct	14 ms	14816 KB	Output is correct
15	Correct	15 ms	14816 KB	Output is correct
16	Correct	14 ms	14816 KB	Output is correct
17	Correct	17 ms	14868 KB	Output is correct
18	Correct	15 ms	14868 KB	Output is correct
19	Correct	14 ms	14868 KB	Output is correct
20	Correct	16 ms	14868 KB	Output is correct
21	Correct	18 ms	15012 KB	Output is correct
22	Correct	19 ms	15012 KB	Output is correct
23	Correct	16 ms	15012 KB	Output is correct
24	Correct	14 ms	15012 KB	Output is correct
25	Correct	14 ms	15012 KB	Output is correct
26	Correct	16 ms	15012 KB	Output is correct
27	Correct	15 ms	15012 KB	Output is correct
28	Correct	14 ms	15012 KB	Output is correct
29	Correct	18 ms	15012 KB	Output is correct
30	Correct	18 ms	15012 KB	Output is correct
31	Correct	16 ms	15012 KB	Output is correct
32	Correct	16 ms	15012 KB	Output is correct
33	Correct	16 ms	15012 KB	Output is correct
34	Correct	17 ms	15012 KB	Output is correct
35	Correct	16 ms	15012 KB	Output is correct
36	Correct	18 ms	15012 KB	Output is correct
37	Correct	17 ms	15012 KB	Output is correct
38	Correct	15 ms	15012 KB	Output is correct
39	Correct	17 ms	15012 KB	Output is correct
40	Correct	17 ms	15012 KB	Output is correct
41	Correct	16 ms	15012 KB	Output is correct
42	Correct	17 ms	15012 KB	Output is correct
43	Correct	16 ms	15012 KB	Output is correct
44	Correct	15 ms	15012 KB	Output is correct
45	Correct	14 ms	15012 KB	Output is correct
46	Correct	17 ms	15012 KB	Output is correct
47	Correct	19 ms	15012 KB	Output is correct
48	Correct	15 ms	15012 KB	Output is correct
49	Correct	15 ms	15012 KB	Output is correct
50	Correct	18 ms	15012 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	14576 KB	Output is correct
3	Correct	14 ms	14616 KB	Output is correct
4	Correct	18 ms	14616 KB	Output is correct
5	Correct	18 ms	14616 KB	Output is correct
6	Correct	16 ms	14616 KB	Output is correct
7	Correct	14 ms	14616 KB	Output is correct
8	Correct	14 ms	14616 KB	Output is correct
9	Correct	14 ms	14616 KB	Output is correct
10	Correct	13 ms	14644 KB	Output is correct
11	Correct	14 ms	14644 KB	Output is correct
12	Correct	17 ms	14728 KB	Output is correct
13	Correct	16 ms	14728 KB	Output is correct
14	Correct	14 ms	14816 KB	Output is correct
15	Correct	15 ms	14816 KB	Output is correct
16	Correct	14 ms	14816 KB	Output is correct
17	Correct	17 ms	14868 KB	Output is correct
18	Correct	15 ms	14868 KB	Output is correct
19	Correct	14 ms	14868 KB	Output is correct
20	Correct	16 ms	14868 KB	Output is correct
21	Correct	18 ms	15012 KB	Output is correct
22	Correct	19 ms	15012 KB	Output is correct
23	Correct	16 ms	15012 KB	Output is correct
24	Correct	14 ms	15012 KB	Output is correct
25	Correct	14 ms	15012 KB	Output is correct
26	Correct	16 ms	15012 KB	Output is correct
27	Correct	15 ms	15012 KB	Output is correct
28	Correct	14 ms	15012 KB	Output is correct
29	Correct	18 ms	15012 KB	Output is correct
30	Correct	18 ms	15012 KB	Output is correct
31	Correct	16 ms	15012 KB	Output is correct
32	Correct	16 ms	15012 KB	Output is correct
33	Correct	16 ms	15012 KB	Output is correct
34	Correct	17 ms	15012 KB	Output is correct
35	Correct	16 ms	15012 KB	Output is correct
36	Correct	18 ms	15012 KB	Output is correct
37	Correct	17 ms	15012 KB	Output is correct
38	Correct	15 ms	15012 KB	Output is correct
39	Correct	17 ms	15012 KB	Output is correct
40	Correct	17 ms	15012 KB	Output is correct
41	Correct	16 ms	15012 KB	Output is correct
42	Correct	17 ms	15012 KB	Output is correct
43	Correct	16 ms	15012 KB	Output is correct
44	Correct	15 ms	15012 KB	Output is correct
45	Correct	14 ms	15012 KB	Output is correct
46	Correct	17 ms	15012 KB	Output is correct
47	Correct	19 ms	15012 KB	Output is correct
48	Correct	15 ms	15012 KB	Output is correct
49	Correct	15 ms	15012 KB	Output is correct
50	Correct	18 ms	15012 KB	Output is correct
51	Correct	16 ms	15176 KB	Output is correct
52	Correct	17 ms	15356 KB	Output is correct
53	Correct	21 ms	15540 KB	Output is correct
54	Correct	15 ms	15540 KB	Output is correct
55	Correct	17 ms	15540 KB	Output is correct
56	Correct	18 ms	15552 KB	Output is correct
57	Correct	19 ms	15632 KB	Output is correct
58	Correct	18 ms	15740 KB	Output is correct
59	Correct	16 ms	15740 KB	Output is correct
60	Correct	19 ms	15740 KB	Output is correct
61	Correct	16 ms	16040 KB	Output is correct
62	Correct	17 ms	16092 KB	Output is correct
63	Correct	19 ms	16092 KB	Output is correct
64	Correct	19 ms	16092 KB	Output is correct
65	Correct	17 ms	16092 KB	Output is correct
66	Correct	20 ms	16092 KB	Output is correct
67	Correct	18 ms	16092 KB	Output is correct
68	Correct	20 ms	16092 KB	Output is correct
69	Correct	23 ms	16256 KB	Output is correct
70	Correct	19 ms	16256 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	14576 KB	Output is correct
3	Correct	14 ms	14616 KB	Output is correct
4	Correct	18 ms	14616 KB	Output is correct
5	Correct	18 ms	14616 KB	Output is correct
6	Correct	16 ms	14616 KB	Output is correct
7	Correct	14 ms	14616 KB	Output is correct
8	Correct	14 ms	14616 KB	Output is correct
9	Correct	14 ms	14616 KB	Output is correct
10	Correct	13 ms	14644 KB	Output is correct
11	Correct	14 ms	14644 KB	Output is correct
12	Correct	17 ms	14728 KB	Output is correct
13	Correct	16 ms	14728 KB	Output is correct
14	Correct	14 ms	14816 KB	Output is correct
15	Correct	15 ms	14816 KB	Output is correct
16	Correct	14 ms	14816 KB	Output is correct
17	Correct	17 ms	14868 KB	Output is correct
18	Correct	15 ms	14868 KB	Output is correct
19	Correct	14 ms	14868 KB	Output is correct
20	Correct	16 ms	14868 KB	Output is correct
21	Correct	18 ms	15012 KB	Output is correct
22	Correct	19 ms	15012 KB	Output is correct
23	Correct	16 ms	15012 KB	Output is correct
24	Correct	14 ms	15012 KB	Output is correct
25	Correct	14 ms	15012 KB	Output is correct
26	Correct	16 ms	15012 KB	Output is correct
27	Correct	15 ms	15012 KB	Output is correct
28	Correct	14 ms	15012 KB	Output is correct
29	Correct	18 ms	15012 KB	Output is correct
30	Correct	18 ms	15012 KB	Output is correct
31	Correct	16 ms	15012 KB	Output is correct
32	Correct	16 ms	15012 KB	Output is correct
33	Correct	16 ms	15012 KB	Output is correct
34	Correct	17 ms	15012 KB	Output is correct
35	Correct	16 ms	15012 KB	Output is correct
36	Correct	18 ms	15012 KB	Output is correct
37	Correct	17 ms	15012 KB	Output is correct
38	Correct	15 ms	15012 KB	Output is correct
39	Correct	17 ms	15012 KB	Output is correct
40	Correct	17 ms	15012 KB	Output is correct
41	Correct	16 ms	15012 KB	Output is correct
42	Correct	17 ms	15012 KB	Output is correct
43	Correct	16 ms	15012 KB	Output is correct
44	Correct	15 ms	15012 KB	Output is correct
45	Correct	14 ms	15012 KB	Output is correct
46	Correct	17 ms	15012 KB	Output is correct
47	Correct	19 ms	15012 KB	Output is correct
48	Correct	15 ms	15012 KB	Output is correct
49	Correct	15 ms	15012 KB	Output is correct
50	Correct	18 ms	15012 KB	Output is correct
51	Correct	16 ms	15176 KB	Output is correct
52	Correct	17 ms	15356 KB	Output is correct
53	Correct	21 ms	15540 KB	Output is correct
54	Correct	15 ms	15540 KB	Output is correct
55	Correct	17 ms	15540 KB	Output is correct
56	Correct	18 ms	15552 KB	Output is correct
57	Correct	19 ms	15632 KB	Output is correct
58	Correct	18 ms	15740 KB	Output is correct
59	Correct	16 ms	15740 KB	Output is correct
60	Correct	19 ms	15740 KB	Output is correct
61	Correct	16 ms	16040 KB	Output is correct
62	Correct	17 ms	16092 KB	Output is correct
63	Correct	19 ms	16092 KB	Output is correct
64	Correct	19 ms	16092 KB	Output is correct
65	Correct	17 ms	16092 KB	Output is correct
66	Correct	20 ms	16092 KB	Output is correct
67	Correct	18 ms	16092 KB	Output is correct
68	Correct	20 ms	16092 KB	Output is correct
69	Correct	23 ms	16256 KB	Output is correct
70	Correct	19 ms	16256 KB	Output is correct
71	Correct	86 ms	19948 KB	Output is correct
72	Correct	81 ms	19948 KB	Output is correct
73	Correct	66 ms	19948 KB	Output is correct
74	Correct	86 ms	23236 KB	Output is correct
75	Correct	79 ms	23236 KB	Output is correct
76	Correct	574 ms	54708 KB	Output is correct
77	Correct	502 ms	54708 KB	Output is correct
78	Correct	359 ms	54708 KB	Output is correct
79	Correct	444 ms	58704 KB	Output is correct
80	Correct	593 ms	58704 KB	Output is correct
81	Correct	66 ms	58704 KB	Output is correct
82	Correct	66 ms	58704 KB	Output is correct
83	Correct	53 ms	58704 KB	Output is correct
84	Correct	102 ms	58704 KB	Output is correct
85	Correct	97 ms	58704 KB	Output is correct
86	Correct	478 ms	71428 KB	Output is correct
87	Correct	442 ms	75548 KB	Output is correct
88	Correct	313 ms	75548 KB	Output is correct
89	Correct	442 ms	79088 KB	Output is correct
90	Correct	423 ms	80276 KB	Output is correct

답안 #63148

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