답안 #65655 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
65655	2018-08-08T11:03:24 Z	sebinkim	족보 (KOI18_family)	C++14	100 / 100	789 ms	129812 KB

family

#include <bits/stdc++.h>

using namespace std;

typedef pair <int, int> pii;

vector <int> V1[303030], V2[303030];
int L1[303030], L2[303030], R1[303030], R2[303030];
int P1[303030][20], P2[303030];
int I[303030];
multiset <int> S[303030];
int n, m, k, cnt1, cnt2, r1, r2;

void check(int x, int l, int r)
{
	int i, p = I[l], s = 0, f1, f2;
	
	for(i=19; i>=0; i--){
		if(!(L1[P1[p][i]] <= l && r <= R1[P1[p][i]])) p = P1[p][i];
	}
	p = P1[p][0];
	
	for(int t: V1[p]){
		auto it = S[x].lower_bound(L1[t]);
		if(it != S[x].end() && L1[t] <= *it && *it <= R1[t]) s += R1[t] - L1[t] + 1;
	}
	
	if(s != R2[x] - L2[x] + 1){
		printf("NO\n");
		exit(0);
	}
}

void dfs1(int p)
{
	if(p <= k){
		cnt1 ++;
		L1[p] = R1[p] = cnt1;
		I[cnt1] = p;
		return;
	}
	L1[p] = cnt1 + 1;
	for(int t: V1[p]) dfs1(t);
	R1[p] = cnt1;
}

pii dfs2(int p)
{
	if(p <= k){
		cnt2 ++;
		L2[p] = R2[p] = cnt2;
		S[p].insert(L1[p]);
		return pii(L1[p], L1[p]);
	}
	
	pii ret = pii(1e9, -1e9), k;
	
	L2[p] = cnt2 + 1;
	
	for(int t: V2[p]){
		k = dfs2(t);
		if(S[p].size() < S[t].size()) swap(S[t], S[p]);
		for(auto &v: S[t]) S[p].insert(v);
		
		ret.first = min(ret.first, k.first);
		ret.second = max(ret.second, k.second);
	}
	
	R2[p] = cnt2;
	
	check(p, ret.first, ret.second);
	
	return ret;
}

int main()
{
	int i, j;
	
	scanf("%d%d%d", &n, &m, &k);
	
	for(i=1; i<=n; i++){
		scanf("%d", P1[i]);
		if(P1[i][0] == 0) r1 = i;
		else V1[P1[i][0]].push_back(i);
	}
	
	for(i=1; i<=19; i++){
		for(j=1; j<=n; j++){
			P1[j][i] = P1[P1[j][i-1]][i-1];
		}
	}
	
	for(i=1; i<=m; i++){
		scanf("%d", P2+i);
		if(P2[i] == 0) r2 = i;
		V2[P2[i]].push_back(i);
	}
	
	L1[0] = 1, R1[0] = k;
	dfs1(r1);
	
	L2[0] = 1, R2[0] = k;
	dfs2(r2);
	
	printf("YES\n");
	
	return 0;
}

Compilation message

family.cpp: In function 'void check(int, int, int)':
family.cpp:16:26: warning: unused variable 'f1' [-Wunused-variable]
  int i, p = I[l], s = 0, f1, f2;
                          ^~
family.cpp:16:30: warning: unused variable 'f2' [-Wunused-variable]
  int i, p = I[l], s = 0, f1, f2;
                              ^~
family.cpp: In function 'int main()':
family.cpp:80:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &m, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
family.cpp:83:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", P1[i]);
   ~~~~~^~~~~~~~~~~~~
family.cpp:95:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", P2+i);
   ~~~~~^~~~~~~~~~~~

Subtask #1
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	28792 KB	Output is correct
2	Correct	27 ms	28936 KB	Output is correct
3	Correct	30 ms	28936 KB	Output is correct
4	Correct	26 ms	28956 KB	Output is correct
5	Correct	27 ms	28956 KB	Output is correct
6	Correct	26 ms	29012 KB	Output is correct
7	Correct	28 ms	29068 KB	Output is correct
8	Correct	28 ms	29120 KB	Output is correct
9	Correct	26 ms	29120 KB	Output is correct
10	Correct	27 ms	29176 KB	Output is correct
11	Correct	27 ms	29188 KB	Output is correct
12	Correct	29 ms	29188 KB	Output is correct
13	Correct	29 ms	29188 KB	Output is correct
14	Correct	28 ms	29216 KB	Output is correct
15	Correct	26 ms	29260 KB	Output is correct
16	Correct	28 ms	29264 KB	Output is correct
17	Correct	26 ms	29264 KB	Output is correct
18	Correct	26 ms	29264 KB	Output is correct
19	Correct	27 ms	29264 KB	Output is correct
20	Correct	30 ms	29280 KB	Output is correct
21	Correct	32 ms	29280 KB	Output is correct
22	Correct	27 ms	29280 KB	Output is correct
23	Correct	27 ms	29280 KB	Output is correct
24	Correct	28 ms	29296 KB	Output is correct
25	Correct	27 ms	29296 KB	Output is correct
26	Correct	27 ms	29360 KB	Output is correct
27	Correct	26 ms	29360 KB	Output is correct
28	Correct	26 ms	29360 KB	Output is correct
29	Correct	26 ms	29360 KB	Output is correct
30	Correct	26 ms	29360 KB	Output is correct

Subtask #2
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	28792 KB	Output is correct
2	Correct	27 ms	28936 KB	Output is correct
3	Correct	30 ms	28936 KB	Output is correct
4	Correct	26 ms	28956 KB	Output is correct
5	Correct	27 ms	28956 KB	Output is correct
6	Correct	26 ms	29012 KB	Output is correct
7	Correct	28 ms	29068 KB	Output is correct
8	Correct	28 ms	29120 KB	Output is correct
9	Correct	26 ms	29120 KB	Output is correct
10	Correct	27 ms	29176 KB	Output is correct
11	Correct	27 ms	29188 KB	Output is correct
12	Correct	29 ms	29188 KB	Output is correct
13	Correct	29 ms	29188 KB	Output is correct
14	Correct	28 ms	29216 KB	Output is correct
15	Correct	26 ms	29260 KB	Output is correct
16	Correct	28 ms	29264 KB	Output is correct
17	Correct	26 ms	29264 KB	Output is correct
18	Correct	26 ms	29264 KB	Output is correct
19	Correct	27 ms	29264 KB	Output is correct
20	Correct	30 ms	29280 KB	Output is correct
21	Correct	32 ms	29280 KB	Output is correct
22	Correct	27 ms	29280 KB	Output is correct
23	Correct	27 ms	29280 KB	Output is correct
24	Correct	28 ms	29296 KB	Output is correct
25	Correct	27 ms	29296 KB	Output is correct
26	Correct	27 ms	29360 KB	Output is correct
27	Correct	26 ms	29360 KB	Output is correct
28	Correct	26 ms	29360 KB	Output is correct
29	Correct	26 ms	29360 KB	Output is correct
30	Correct	26 ms	29360 KB	Output is correct
31	Correct	32 ms	29360 KB	Output is correct
32	Correct	31 ms	29360 KB	Output is correct
33	Correct	31 ms	29360 KB	Output is correct
34	Correct	31 ms	29360 KB	Output is correct
35	Correct	30 ms	29360 KB	Output is correct
36	Correct	27 ms	29424 KB	Output is correct
37	Correct	27 ms	29424 KB	Output is correct
38	Correct	26 ms	29428 KB	Output is correct
39	Correct	31 ms	29432 KB	Output is correct
40	Correct	26 ms	29548 KB	Output is correct
41	Correct	28 ms	29548 KB	Output is correct
42	Correct	31 ms	29548 KB	Output is correct
43	Correct	26 ms	29548 KB	Output is correct
44	Correct	26 ms	29548 KB	Output is correct
45	Correct	27 ms	29548 KB	Output is correct
46	Correct	26 ms	29548 KB	Output is correct
47	Correct	25 ms	29548 KB	Output is correct
48	Correct	26 ms	29548 KB	Output is correct
49	Correct	26 ms	29548 KB	Output is correct
50	Correct	29 ms	29548 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	28792 KB	Output is correct
2	Correct	27 ms	28936 KB	Output is correct
3	Correct	30 ms	28936 KB	Output is correct
4	Correct	26 ms	28956 KB	Output is correct
5	Correct	27 ms	28956 KB	Output is correct
6	Correct	26 ms	29012 KB	Output is correct
7	Correct	28 ms	29068 KB	Output is correct
8	Correct	28 ms	29120 KB	Output is correct
9	Correct	26 ms	29120 KB	Output is correct
10	Correct	27 ms	29176 KB	Output is correct
11	Correct	27 ms	29188 KB	Output is correct
12	Correct	29 ms	29188 KB	Output is correct
13	Correct	29 ms	29188 KB	Output is correct
14	Correct	28 ms	29216 KB	Output is correct
15	Correct	26 ms	29260 KB	Output is correct
16	Correct	28 ms	29264 KB	Output is correct
17	Correct	26 ms	29264 KB	Output is correct
18	Correct	26 ms	29264 KB	Output is correct
19	Correct	27 ms	29264 KB	Output is correct
20	Correct	30 ms	29280 KB	Output is correct
21	Correct	32 ms	29280 KB	Output is correct
22	Correct	27 ms	29280 KB	Output is correct
23	Correct	27 ms	29280 KB	Output is correct
24	Correct	28 ms	29296 KB	Output is correct
25	Correct	27 ms	29296 KB	Output is correct
26	Correct	27 ms	29360 KB	Output is correct
27	Correct	26 ms	29360 KB	Output is correct
28	Correct	26 ms	29360 KB	Output is correct
29	Correct	26 ms	29360 KB	Output is correct
30	Correct	26 ms	29360 KB	Output is correct
31	Correct	32 ms	29360 KB	Output is correct
32	Correct	31 ms	29360 KB	Output is correct
33	Correct	31 ms	29360 KB	Output is correct
34	Correct	31 ms	29360 KB	Output is correct
35	Correct	30 ms	29360 KB	Output is correct
36	Correct	27 ms	29424 KB	Output is correct
37	Correct	27 ms	29424 KB	Output is correct
38	Correct	26 ms	29428 KB	Output is correct
39	Correct	31 ms	29432 KB	Output is correct
40	Correct	26 ms	29548 KB	Output is correct
41	Correct	28 ms	29548 KB	Output is correct
42	Correct	31 ms	29548 KB	Output is correct
43	Correct	26 ms	29548 KB	Output is correct
44	Correct	26 ms	29548 KB	Output is correct
45	Correct	27 ms	29548 KB	Output is correct
46	Correct	26 ms	29548 KB	Output is correct
47	Correct	25 ms	29548 KB	Output is correct
48	Correct	26 ms	29548 KB	Output is correct
49	Correct	26 ms	29548 KB	Output is correct
50	Correct	29 ms	29548 KB	Output is correct
51	Correct	38 ms	31016 KB	Output is correct
52	Correct	39 ms	31016 KB	Output is correct
53	Correct	33 ms	31016 KB	Output is correct
54	Correct	36 ms	31016 KB	Output is correct
55	Correct	34 ms	31112 KB	Output is correct
56	Correct	32 ms	31224 KB	Output is correct
57	Correct	40 ms	31224 KB	Output is correct
58	Correct	32 ms	31224 KB	Output is correct
59	Correct	34 ms	31464 KB	Output is correct
60	Correct	31 ms	31464 KB	Output is correct
61	Correct	29 ms	31464 KB	Output is correct
62	Correct	30 ms	31464 KB	Output is correct
63	Correct	51 ms	31464 KB	Output is correct
64	Correct	28 ms	31464 KB	Output is correct
65	Correct	27 ms	31464 KB	Output is correct
66	Correct	31 ms	31464 KB	Output is correct
67	Correct	35 ms	31464 KB	Output is correct
68	Correct	36 ms	31464 KB	Output is correct
69	Correct	30 ms	31464 KB	Output is correct
70	Correct	29 ms	31464 KB	Output is correct

Subtask #4
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	31 ms	28792 KB	Output is correct
2	Correct	27 ms	28936 KB	Output is correct
3	Correct	30 ms	28936 KB	Output is correct
4	Correct	26 ms	28956 KB	Output is correct
5	Correct	27 ms	28956 KB	Output is correct
6	Correct	26 ms	29012 KB	Output is correct
7	Correct	28 ms	29068 KB	Output is correct
8	Correct	28 ms	29120 KB	Output is correct
9	Correct	26 ms	29120 KB	Output is correct
10	Correct	27 ms	29176 KB	Output is correct
11	Correct	27 ms	29188 KB	Output is correct
12	Correct	29 ms	29188 KB	Output is correct
13	Correct	29 ms	29188 KB	Output is correct
14	Correct	28 ms	29216 KB	Output is correct
15	Correct	26 ms	29260 KB	Output is correct
16	Correct	28 ms	29264 KB	Output is correct
17	Correct	26 ms	29264 KB	Output is correct
18	Correct	26 ms	29264 KB	Output is correct
19	Correct	27 ms	29264 KB	Output is correct
20	Correct	30 ms	29280 KB	Output is correct
21	Correct	32 ms	29280 KB	Output is correct
22	Correct	27 ms	29280 KB	Output is correct
23	Correct	27 ms	29280 KB	Output is correct
24	Correct	28 ms	29296 KB	Output is correct
25	Correct	27 ms	29296 KB	Output is correct
26	Correct	27 ms	29360 KB	Output is correct
27	Correct	26 ms	29360 KB	Output is correct
28	Correct	26 ms	29360 KB	Output is correct
29	Correct	26 ms	29360 KB	Output is correct
30	Correct	26 ms	29360 KB	Output is correct
31	Correct	32 ms	29360 KB	Output is correct
32	Correct	31 ms	29360 KB	Output is correct
33	Correct	31 ms	29360 KB	Output is correct
34	Correct	31 ms	29360 KB	Output is correct
35	Correct	30 ms	29360 KB	Output is correct
36	Correct	27 ms	29424 KB	Output is correct
37	Correct	27 ms	29424 KB	Output is correct
38	Correct	26 ms	29428 KB	Output is correct
39	Correct	31 ms	29432 KB	Output is correct
40	Correct	26 ms	29548 KB	Output is correct
41	Correct	28 ms	29548 KB	Output is correct
42	Correct	31 ms	29548 KB	Output is correct
43	Correct	26 ms	29548 KB	Output is correct
44	Correct	26 ms	29548 KB	Output is correct
45	Correct	27 ms	29548 KB	Output is correct
46	Correct	26 ms	29548 KB	Output is correct
47	Correct	25 ms	29548 KB	Output is correct
48	Correct	26 ms	29548 KB	Output is correct
49	Correct	26 ms	29548 KB	Output is correct
50	Correct	29 ms	29548 KB	Output is correct
51	Correct	38 ms	31016 KB	Output is correct
52	Correct	39 ms	31016 KB	Output is correct
53	Correct	33 ms	31016 KB	Output is correct
54	Correct	36 ms	31016 KB	Output is correct
55	Correct	34 ms	31112 KB	Output is correct
56	Correct	32 ms	31224 KB	Output is correct
57	Correct	40 ms	31224 KB	Output is correct
58	Correct	32 ms	31224 KB	Output is correct
59	Correct	34 ms	31464 KB	Output is correct
60	Correct	31 ms	31464 KB	Output is correct
61	Correct	29 ms	31464 KB	Output is correct
62	Correct	30 ms	31464 KB	Output is correct
63	Correct	51 ms	31464 KB	Output is correct
64	Correct	28 ms	31464 KB	Output is correct
65	Correct	27 ms	31464 KB	Output is correct
66	Correct	31 ms	31464 KB	Output is correct
67	Correct	35 ms	31464 KB	Output is correct
68	Correct	36 ms	31464 KB	Output is correct
69	Correct	30 ms	31464 KB	Output is correct
70	Correct	29 ms	31464 KB	Output is correct
71	Correct	103 ms	39708 KB	Output is correct
72	Correct	113 ms	44440 KB	Output is correct
73	Correct	83 ms	44440 KB	Output is correct
74	Correct	104 ms	44440 KB	Output is correct
75	Correct	107 ms	44440 KB	Output is correct
76	Correct	764 ms	104132 KB	Output is correct
77	Correct	715 ms	104132 KB	Output is correct
78	Correct	789 ms	129812 KB	Output is correct
79	Correct	643 ms	129812 KB	Output is correct
80	Correct	598 ms	129812 KB	Output is correct
81	Correct	85 ms	129812 KB	Output is correct
82	Correct	75 ms	129812 KB	Output is correct
83	Correct	78 ms	129812 KB	Output is correct
84	Correct	119 ms	129812 KB	Output is correct
85	Correct	102 ms	129812 KB	Output is correct
86	Correct	578 ms	129812 KB	Output is correct
87	Correct	575 ms	129812 KB	Output is correct
88	Correct	451 ms	129812 KB	Output is correct
89	Correct	505 ms	129812 KB	Output is correct
90	Correct	550 ms	129812 KB	Output is correct

답안 #65655

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