답안 #93956 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
93956	2019-01-13T17:44:03 Z	mrtsima22	Birthday gift (IZhO18_treearray)	C++17	100 / 100	1619 ms	95128 KB

treearray

#include <iostream>
#include <vector>
#include <set>
using namespace std;
int n,k,q,t_out[200003],p[200003][33];
vector<int>a[200003];
int ba[200003],t_in[200004],T,x;
set<int>s1[200003],s2[200003];
set<int>::iterator it1,it2;
bool is_it(int a,int b){
	if (t_in[a]<=t_in[b]&&t_out[b]<=t_out[a]){
		return true;
	}else{
		return false;
	}
}
void go(int s,int parent){
	t_in[s]=++T;
	p[s][0]=parent;
	int j=s;	
	for (int i=1;i<=30;i++){
		p[j][i]=p[p[j][i-1]][i-1];
	}
	for(int i=0;i<(int)a[s].size();i++){
		if(a[s][i]==parent)continue;
		go(a[s][i],s);
	}
	t_out[s]=++T;
}
int lca(int a,int b){
	if(t_in[a]>t_in[b]){
		swap(a,b);
	}
	if(is_it(a,b)){
		return a;
	}
	if(is_it(b,a)){
		return b;
	}
	for(int i=30;i>=0;i--){
		if(p[a][i]==0)continue;
		if(is_it(p[a][i],b)==0){
			a=p[a][i];
		}
	}
	return p[a][0];
}
int u,v,tp;
int main() {ios_base::sync_with_stdio(false);
cin>>n>>k>>q;
for(int i=1;i<n;i++){
	cin>>v>>u;
	a[v].push_back(u);
	a[u].push_back(v);
}
for(int i=1;i<=k;i++){
	cin>>ba[i];
}

go(1,0);

for(int i=1;i<=k;i++){
	s2[ba[i]].insert(i);
}
for(int i=1;i<k;i++){
	s1[lca(ba[i],ba[i+1])].insert(i);
//	cout<<lca(ba[i],ba[i+1])<<endl;
}

while(q--){
	cin>>tp;
	if(tp==1){
		cin>>u>>v;
		if(u>1){
			s1[lca(ba[u-1],ba[u])].erase(u-1);
		}
		if(x<k){
			s1[lca(ba[u],ba[u+1])].erase(u);
		}
		s2[ba[u]].erase(u);
		ba[u]=v;
		if(u>1){
			s1[lca(ba[u-1],ba[u])].insert(u-1);
		}
		if(u<k){
			s1[lca(ba[u],ba[u+1])].insert(u);
		}
		s2[ba[u]].insert(u);
	}else{
		cin>>u>>v>>x;
		it1=s1[x].lower_bound(u);
		it2=s2[x].lower_bound(u);
		
		if(it2!=s2[x].end()&&(*it2)<=v){
			cout<<(*it2)<<" "<<(*it2)<<endl;
		}else{
			if(it1!=s1[x].end()){
				if((*it1)<v){
					cout<<(*it1)<<" "<<(*it1)+1<<endl;
				}
				else{
					cout<<-1<<" "<<-1<<endl;
				}
			}else
				cout<<-1<<" "<<-1<<endl;
		}
	}

}
return 0;
}
/*

5 4 4
 1 2
  3 1 
  3 4 
  5  3 
  4 5 
  2 3
    2 1
    3 1 
  1 3 5 
  2 3 4 5
   2 1 3 1


*/

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	23800 KB	n=5
2	Correct	23 ms	23928 KB	n=100
3	Correct	22 ms	23800 KB	n=100
4	Correct	22 ms	23928 KB	n=100
5	Correct	22 ms	23804 KB	n=100
6	Correct	22 ms	23800 KB	n=100
7	Correct	23 ms	23848 KB	n=100
8	Correct	24 ms	23804 KB	n=100
9	Correct	19 ms	23800 KB	n=100
10	Correct	22 ms	23800 KB	n=100
11	Correct	22 ms	23800 KB	n=100
12	Correct	22 ms	23800 KB	n=100
13	Correct	22 ms	23800 KB	n=100
14	Correct	23 ms	23928 KB	n=100
15	Correct	22 ms	23828 KB	n=100
16	Correct	22 ms	23812 KB	n=100
17	Correct	23 ms	23800 KB	n=100
18	Correct	24 ms	23908 KB	n=100
19	Correct	22 ms	23800 KB	n=100
20	Correct	22 ms	23800 KB	n=100
21	Correct	20 ms	23800 KB	n=100
22	Correct	22 ms	23800 KB	n=100
23	Correct	19 ms	23800 KB	n=100
24	Correct	18 ms	23928 KB	n=100
25	Correct	19 ms	23848 KB	n=100
26	Correct	19 ms	23800 KB	n=12
27	Correct	20 ms	23800 KB	n=100

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	23800 KB	n=5
2	Correct	23 ms	23928 KB	n=100
3	Correct	22 ms	23800 KB	n=100
4	Correct	22 ms	23928 KB	n=100
5	Correct	22 ms	23804 KB	n=100
6	Correct	22 ms	23800 KB	n=100
7	Correct	23 ms	23848 KB	n=100
8	Correct	24 ms	23804 KB	n=100
9	Correct	19 ms	23800 KB	n=100
10	Correct	22 ms	23800 KB	n=100
11	Correct	22 ms	23800 KB	n=100
12	Correct	22 ms	23800 KB	n=100
13	Correct	22 ms	23800 KB	n=100
14	Correct	23 ms	23928 KB	n=100
15	Correct	22 ms	23828 KB	n=100
16	Correct	22 ms	23812 KB	n=100
17	Correct	23 ms	23800 KB	n=100
18	Correct	24 ms	23908 KB	n=100
19	Correct	22 ms	23800 KB	n=100
20	Correct	22 ms	23800 KB	n=100
21	Correct	20 ms	23800 KB	n=100
22	Correct	22 ms	23800 KB	n=100
23	Correct	19 ms	23800 KB	n=100
24	Correct	18 ms	23928 KB	n=100
25	Correct	19 ms	23848 KB	n=100
26	Correct	19 ms	23800 KB	n=12
27	Correct	20 ms	23800 KB	n=100
28	Correct	24 ms	24056 KB	n=500
29	Correct	20 ms	24020 KB	n=500
30	Correct	20 ms	23928 KB	n=500
31	Correct	20 ms	23928 KB	n=500
32	Correct	19 ms	23928 KB	n=500
33	Correct	20 ms	23928 KB	n=500
34	Correct	20 ms	23928 KB	n=500
35	Correct	21 ms	23928 KB	n=500
36	Correct	21 ms	23928 KB	n=500
37	Correct	20 ms	23928 KB	n=500
38	Correct	19 ms	24056 KB	n=500
39	Correct	20 ms	23928 KB	n=500
40	Correct	23 ms	24056 KB	n=500
41	Correct	20 ms	23928 KB	n=500
42	Correct	20 ms	24056 KB	n=500
43	Correct	20 ms	23928 KB	n=500
44	Correct	21 ms	23928 KB	n=500
45	Correct	25 ms	24012 KB	n=500
46	Correct	21 ms	23928 KB	n=500
47	Correct	19 ms	23928 KB	n=500
48	Correct	19 ms	23928 KB	n=500
49	Correct	19 ms	23928 KB	n=500
50	Correct	20 ms	23928 KB	n=500
51	Correct	20 ms	23928 KB	n=500
52	Correct	19 ms	24056 KB	n=500
53	Correct	21 ms	23928 KB	n=500
54	Correct	20 ms	23972 KB	n=500
55	Correct	19 ms	23928 KB	n=278
56	Correct	19 ms	23928 KB	n=500
57	Correct	20 ms	23928 KB	n=500
58	Correct	19 ms	23928 KB	n=500

Subtask #3
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	23800 KB	n=5
2	Correct	23 ms	23928 KB	n=100
3	Correct	22 ms	23800 KB	n=100
4	Correct	22 ms	23928 KB	n=100
5	Correct	22 ms	23804 KB	n=100
6	Correct	22 ms	23800 KB	n=100
7	Correct	23 ms	23848 KB	n=100
8	Correct	24 ms	23804 KB	n=100
9	Correct	19 ms	23800 KB	n=100
10	Correct	22 ms	23800 KB	n=100
11	Correct	22 ms	23800 KB	n=100
12	Correct	22 ms	23800 KB	n=100
13	Correct	22 ms	23800 KB	n=100
14	Correct	23 ms	23928 KB	n=100
15	Correct	22 ms	23828 KB	n=100
16	Correct	22 ms	23812 KB	n=100
17	Correct	23 ms	23800 KB	n=100
18	Correct	24 ms	23908 KB	n=100
19	Correct	22 ms	23800 KB	n=100
20	Correct	22 ms	23800 KB	n=100
21	Correct	20 ms	23800 KB	n=100
22	Correct	22 ms	23800 KB	n=100
23	Correct	19 ms	23800 KB	n=100
24	Correct	18 ms	23928 KB	n=100
25	Correct	19 ms	23848 KB	n=100
26	Correct	19 ms	23800 KB	n=12
27	Correct	20 ms	23800 KB	n=100
28	Correct	24 ms	24056 KB	n=500
29	Correct	20 ms	24020 KB	n=500
30	Correct	20 ms	23928 KB	n=500
31	Correct	20 ms	23928 KB	n=500
32	Correct	19 ms	23928 KB	n=500
33	Correct	20 ms	23928 KB	n=500
34	Correct	20 ms	23928 KB	n=500
35	Correct	21 ms	23928 KB	n=500
36	Correct	21 ms	23928 KB	n=500
37	Correct	20 ms	23928 KB	n=500
38	Correct	19 ms	24056 KB	n=500
39	Correct	20 ms	23928 KB	n=500
40	Correct	23 ms	24056 KB	n=500
41	Correct	20 ms	23928 KB	n=500
42	Correct	20 ms	24056 KB	n=500
43	Correct	20 ms	23928 KB	n=500
44	Correct	21 ms	23928 KB	n=500
45	Correct	25 ms	24012 KB	n=500
46	Correct	21 ms	23928 KB	n=500
47	Correct	19 ms	23928 KB	n=500
48	Correct	19 ms	23928 KB	n=500
49	Correct	19 ms	23928 KB	n=500
50	Correct	20 ms	23928 KB	n=500
51	Correct	20 ms	23928 KB	n=500
52	Correct	19 ms	24056 KB	n=500
53	Correct	21 ms	23928 KB	n=500
54	Correct	20 ms	23972 KB	n=500
55	Correct	19 ms	23928 KB	n=278
56	Correct	19 ms	23928 KB	n=500
57	Correct	20 ms	23928 KB	n=500
58	Correct	19 ms	23928 KB	n=500
59	Correct	25 ms	24440 KB	n=2000
60	Correct	23 ms	24412 KB	n=2000
61	Correct	24 ms	24428 KB	n=2000
62	Correct	24 ms	24440 KB	n=2000
63	Correct	23 ms	24440 KB	n=2000
64	Correct	23 ms	24440 KB	n=2000
65	Correct	29 ms	24312 KB	n=2000
66	Correct	23 ms	24440 KB	n=2000
67	Correct	24 ms	24312 KB	n=2000
68	Correct	24 ms	24440 KB	n=2000
69	Correct	25 ms	24440 KB	n=2000
70	Correct	27 ms	24352 KB	n=2000
71	Correct	29 ms	24312 KB	n=2000
72	Correct	24 ms	24440 KB	n=2000
73	Correct	27 ms	24312 KB	n=2000
74	Correct	26 ms	24440 KB	n=1844
75	Correct	28 ms	24344 KB	n=2000
76	Correct	29 ms	24440 KB	n=2000
77	Correct	27 ms	24312 KB	n=2000
78	Correct	27 ms	24312 KB	n=2000
79	Correct	27 ms	24312 KB	n=2000
80	Correct	23 ms	24440 KB	n=2000
81	Correct	29 ms	24440 KB	n=2000
82	Correct	28 ms	24412 KB	n=2000
83	Correct	28 ms	24440 KB	n=2000
84	Correct	28 ms	24356 KB	n=2000
85	Correct	28 ms	24440 KB	n=2000
86	Correct	28 ms	24396 KB	n=2000
87	Correct	24 ms	24312 KB	n=2000
88	Correct	23 ms	24440 KB	n=2000
89	Correct	26 ms	24440 KB	n=2000
90	Correct	27 ms	24436 KB	n=2000
91	Correct	29 ms	24440 KB	n=2000

Subtask #4
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	23800 KB	n=5
2	Correct	23 ms	23928 KB	n=100
3	Correct	22 ms	23800 KB	n=100
4	Correct	22 ms	23928 KB	n=100
5	Correct	22 ms	23804 KB	n=100
6	Correct	22 ms	23800 KB	n=100
7	Correct	23 ms	23848 KB	n=100
8	Correct	24 ms	23804 KB	n=100
9	Correct	19 ms	23800 KB	n=100
10	Correct	22 ms	23800 KB	n=100
11	Correct	22 ms	23800 KB	n=100
12	Correct	22 ms	23800 KB	n=100
13	Correct	22 ms	23800 KB	n=100
14	Correct	23 ms	23928 KB	n=100
15	Correct	22 ms	23828 KB	n=100
16	Correct	22 ms	23812 KB	n=100
17	Correct	23 ms	23800 KB	n=100
18	Correct	24 ms	23908 KB	n=100
19	Correct	22 ms	23800 KB	n=100
20	Correct	22 ms	23800 KB	n=100
21	Correct	20 ms	23800 KB	n=100
22	Correct	22 ms	23800 KB	n=100
23	Correct	19 ms	23800 KB	n=100
24	Correct	18 ms	23928 KB	n=100
25	Correct	19 ms	23848 KB	n=100
26	Correct	19 ms	23800 KB	n=12
27	Correct	20 ms	23800 KB	n=100
28	Correct	24 ms	24056 KB	n=500
29	Correct	20 ms	24020 KB	n=500
30	Correct	20 ms	23928 KB	n=500
31	Correct	20 ms	23928 KB	n=500
32	Correct	19 ms	23928 KB	n=500
33	Correct	20 ms	23928 KB	n=500
34	Correct	20 ms	23928 KB	n=500
35	Correct	21 ms	23928 KB	n=500
36	Correct	21 ms	23928 KB	n=500
37	Correct	20 ms	23928 KB	n=500
38	Correct	19 ms	24056 KB	n=500
39	Correct	20 ms	23928 KB	n=500
40	Correct	23 ms	24056 KB	n=500
41	Correct	20 ms	23928 KB	n=500
42	Correct	20 ms	24056 KB	n=500
43	Correct	20 ms	23928 KB	n=500
44	Correct	21 ms	23928 KB	n=500
45	Correct	25 ms	24012 KB	n=500
46	Correct	21 ms	23928 KB	n=500
47	Correct	19 ms	23928 KB	n=500
48	Correct	19 ms	23928 KB	n=500
49	Correct	19 ms	23928 KB	n=500
50	Correct	20 ms	23928 KB	n=500
51	Correct	20 ms	23928 KB	n=500
52	Correct	19 ms	24056 KB	n=500
53	Correct	21 ms	23928 KB	n=500
54	Correct	20 ms	23972 KB	n=500
55	Correct	19 ms	23928 KB	n=278
56	Correct	19 ms	23928 KB	n=500
57	Correct	20 ms	23928 KB	n=500
58	Correct	19 ms	23928 KB	n=500
59	Correct	25 ms	24440 KB	n=2000
60	Correct	23 ms	24412 KB	n=2000
61	Correct	24 ms	24428 KB	n=2000
62	Correct	24 ms	24440 KB	n=2000
63	Correct	23 ms	24440 KB	n=2000
64	Correct	23 ms	24440 KB	n=2000
65	Correct	29 ms	24312 KB	n=2000
66	Correct	23 ms	24440 KB	n=2000
67	Correct	24 ms	24312 KB	n=2000
68	Correct	24 ms	24440 KB	n=2000
69	Correct	25 ms	24440 KB	n=2000
70	Correct	27 ms	24352 KB	n=2000
71	Correct	29 ms	24312 KB	n=2000
72	Correct	24 ms	24440 KB	n=2000
73	Correct	27 ms	24312 KB	n=2000
74	Correct	26 ms	24440 KB	n=1844
75	Correct	28 ms	24344 KB	n=2000
76	Correct	29 ms	24440 KB	n=2000
77	Correct	27 ms	24312 KB	n=2000
78	Correct	27 ms	24312 KB	n=2000
79	Correct	27 ms	24312 KB	n=2000
80	Correct	23 ms	24440 KB	n=2000
81	Correct	29 ms	24440 KB	n=2000
82	Correct	28 ms	24412 KB	n=2000
83	Correct	28 ms	24440 KB	n=2000
84	Correct	28 ms	24356 KB	n=2000
85	Correct	28 ms	24440 KB	n=2000
86	Correct	28 ms	24396 KB	n=2000
87	Correct	24 ms	24312 KB	n=2000
88	Correct	23 ms	24440 KB	n=2000
89	Correct	26 ms	24440 KB	n=2000
90	Correct	27 ms	24436 KB	n=2000
91	Correct	29 ms	24440 KB	n=2000
92	Correct	1194 ms	82172 KB	n=200000
93	Correct	1118 ms	90624 KB	n=200000
94	Correct	1108 ms	93760 KB	n=200000
95	Correct	935 ms	85340 KB	n=200000
96	Correct	963 ms	85448 KB	n=200000
97	Correct	1154 ms	89520 KB	n=200000
98	Correct	1024 ms	85272 KB	n=200000
99	Correct	1091 ms	85604 KB	n=200000
100	Correct	1025 ms	85488 KB	n=200000
101	Correct	1010 ms	95128 KB	n=200000
102	Correct	767 ms	86648 KB	n=200000
103	Correct	783 ms	86792 KB	n=200000
104	Correct	703 ms	86628 KB	n=200000
105	Correct	717 ms	86904 KB	n=200000
106	Correct	700 ms	87156 KB	n=200000
107	Correct	722 ms	87240 KB	n=200000
108	Correct	956 ms	85496 KB	n=200000
109	Correct	956 ms	85488 KB	n=200000
110	Correct	946 ms	85552 KB	n=200000
111	Correct	1132 ms	84976 KB	n=200000
112	Correct	1039 ms	94200 KB	n=200000
113	Correct	1491 ms	89592 KB	n=200000
114	Correct	1185 ms	85120 KB	n=200000
115	Correct	1619 ms	87488 KB	n=200000
116	Correct	1149 ms	85580 KB	n=200000
117	Correct	889 ms	94456 KB	n=200000
118	Correct	1351 ms	88572 KB	n=200000
119	Correct	1075 ms	85648 KB	n=200000
120	Correct	929 ms	94144 KB	n=200000
121	Correct	771 ms	93944 KB	n=200000
122	Correct	807 ms	94464 KB	n=200000
123	Correct	816 ms	87032 KB	n=200000
124	Correct	288 ms	40060 KB	n=25264

답안 #93956

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 18.0 / 18.0

Subtask #3 26.0 / 26.0

Subtask #4 44.0 / 44.0

Subtask #1
12.0 / 12.0

Subtask #2
18.0 / 18.0

Subtask #3
26.0 / 26.0

Subtask #4
44.0 / 44.0