oj.uz

Submission #63148

# Submission time Handle Problem Language Result Execution time Memory
63148 2018-08-01T01:13:36 Z khsoo01 None (KOI18_family) C++11
100 / 100
 593 ms 80276 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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