답안 #90587 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
90587	2018-12-22T15:37:24 Z	mrtsima22	Birthday gift (IZhO18_treearray)	C++17	30 / 100	4000 ms	3504 KB

treearray

#include <iostream>
#include <vector>
using namespace std;
int n,k,q,t_out[100003],fin,p[100003][22],deep[100003];
vector<int>a[100003];
int ba[100003],t_in[100004],T,x;
bool is_it(int a,int b){
	return (t_in[a]<=t_in[b])&&(t_out[b]<=t_out[a]);
}
void go(int s,int parent,int DEEP){
	t_in[s]=++T;
	p[s][1]=parent;
	deep[s]=DEEP;
	for(int i=0;i<(int)a[s].size();i++){
		if(a[s][i]==parent)continue;
		go(a[s][i],s,DEEP+1);
	}
	t_out[s]=++T;
}
void mshobelize(int Par,int sad){
	for(int j=2;j<=19;j++){
		p[sad][j]=p[p[sad][j-1]][j-1];
	}
	for(int i=0;i<(int)a[sad].size();i++){
		if(a[sad][i]!=Par){
			mshobelize(sad,a[sad][i]);
		}
	}
}
int lca(int a,int b){
	int A=deep[a];
	int B=deep[b];
	if(A>B){
		swap(a,b);
		swap(A,B);
	}
	for(int i=19;i>=0;i--){
		if(deep[p[b][i]]>=deep[a]){
			b=p[b][i];
		}
	}
	if(a==b){
		return a;
	}
    for (int i = 19; i >= 0; i--) {
        if (p[b][i] != p[a][i]) {
            b = p[b][i];       
            a = p[a][i];
        }
    }
    return p[a][1];
}
int u,v,tp;
int main() {ios_base::sync_with_stdio(false);
cin>>n>>k>>q;
for(int i=0;i<n-1;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(1,0,0);

for(int i=0;i<=19;i++){
	p[1][i]=1;
}

mshobelize(1,1);

/*
for(int i=1;i<=n;i++)
{
	cout<<i<<"----===>";
	for(int j=1;j<=19;j++)
	{
		cout<<p[i][j]<<" ";
	}
	cout<<endl;
}
*/
t_out[0]=999999999;
while(q--){
	cin>>tp;
	if(tp==1)
	{
		cin>>u>>v;
		ba[u]=v;
	}
	else if(tp==2){
	cin>>u>>v>>x;
	fin=0;
		for(int L=u;!fin&&L<=v;L++){
			int c=ba[L];
//			int c1=c;
			for(int R=L;!fin&&R<=v;R++){
//				while(!is_it(c,ba[R]))c=p[c][1];
				c=lca(c,ba[R]);
//				if(c1!=c)
//					cout<<6/0<<endl;
				if(!is_it(x,c))break;
				if(x==c){
					fin=1;
					cout<<L<<" "<<R<<endl;
				}
			}
		}
		if(!fin){
			cout<<"-1 -1"<<endl;
		}
	}
	
}
 
 
	return 0;
}

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	n=5
2	Correct	4 ms	2812 KB	n=100
3	Correct	4 ms	3016 KB	n=100
4	Correct	4 ms	3060 KB	n=100
5	Correct	4 ms	3060 KB	n=100
6	Correct	6 ms	3060 KB	n=100
7	Correct	5 ms	3060 KB	n=100
8	Correct	4 ms	3060 KB	n=100
9	Correct	4 ms	3060 KB	n=100
10	Correct	4 ms	3060 KB	n=100
11	Correct	4 ms	3060 KB	n=100
12	Correct	4 ms	3060 KB	n=100
13	Correct	4 ms	3060 KB	n=100
14	Correct	4 ms	3060 KB	n=100
15	Correct	4 ms	3060 KB	n=100
16	Correct	4 ms	3060 KB	n=100
17	Correct	4 ms	3060 KB	n=100
18	Correct	4 ms	3060 KB	n=100
19	Correct	4 ms	3060 KB	n=100
20	Correct	4 ms	3060 KB	n=100
21	Correct	4 ms	3060 KB	n=100
22	Correct	4 ms	3060 KB	n=100
23	Correct	12 ms	3060 KB	n=100
24	Correct	14 ms	3060 KB	n=100
25	Correct	6 ms	3060 KB	n=100
26	Correct	3 ms	3060 KB	n=12
27	Correct	4 ms	3060 KB	n=100

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	n=5
2	Correct	4 ms	2812 KB	n=100
3	Correct	4 ms	3016 KB	n=100
4	Correct	4 ms	3060 KB	n=100
5	Correct	4 ms	3060 KB	n=100
6	Correct	6 ms	3060 KB	n=100
7	Correct	5 ms	3060 KB	n=100
8	Correct	4 ms	3060 KB	n=100
9	Correct	4 ms	3060 KB	n=100
10	Correct	4 ms	3060 KB	n=100
11	Correct	4 ms	3060 KB	n=100
12	Correct	4 ms	3060 KB	n=100
13	Correct	4 ms	3060 KB	n=100
14	Correct	4 ms	3060 KB	n=100
15	Correct	4 ms	3060 KB	n=100
16	Correct	4 ms	3060 KB	n=100
17	Correct	4 ms	3060 KB	n=100
18	Correct	4 ms	3060 KB	n=100
19	Correct	4 ms	3060 KB	n=100
20	Correct	4 ms	3060 KB	n=100
21	Correct	4 ms	3060 KB	n=100
22	Correct	4 ms	3060 KB	n=100
23	Correct	12 ms	3060 KB	n=100
24	Correct	14 ms	3060 KB	n=100
25	Correct	6 ms	3060 KB	n=100
26	Correct	3 ms	3060 KB	n=12
27	Correct	4 ms	3060 KB	n=100
28	Correct	4 ms	3060 KB	n=500
29	Correct	17 ms	3060 KB	n=500
30	Correct	18 ms	3060 KB	n=500
31	Correct	19 ms	3060 KB	n=500
32	Correct	4 ms	3060 KB	n=500
33	Correct	18 ms	3060 KB	n=500
34	Correct	4 ms	3060 KB	n=500
35	Correct	14 ms	3060 KB	n=500
36	Correct	28 ms	3132 KB	n=500
37	Correct	27 ms	3132 KB	n=500
38	Correct	26 ms	3132 KB	n=500
39	Correct	16 ms	3132 KB	n=500
40	Correct	16 ms	3132 KB	n=500
41	Correct	16 ms	3132 KB	n=500
42	Correct	17 ms	3132 KB	n=500
43	Correct	17 ms	3132 KB	n=500
44	Correct	16 ms	3132 KB	n=500
45	Correct	4 ms	3132 KB	n=500
46	Correct	20 ms	3132 KB	n=500
47	Correct	14 ms	3132 KB	n=500
48	Correct	4 ms	3132 KB	n=500
49	Correct	13 ms	3132 KB	n=500
50	Correct	8 ms	3132 KB	n=500
51	Correct	18 ms	3132 KB	n=500
52	Correct	22 ms	3132 KB	n=500
53	Correct	15 ms	3132 KB	n=500
54	Correct	250 ms	3132 KB	n=500
55	Correct	7 ms	3132 KB	n=278
56	Correct	2315 ms	3132 KB	n=500
57	Correct	2391 ms	3132 KB	n=500
58	Correct	14 ms	3132 KB	n=500

Subtask #3
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	n=5
2	Correct	4 ms	2812 KB	n=100
3	Correct	4 ms	3016 KB	n=100
4	Correct	4 ms	3060 KB	n=100
5	Correct	4 ms	3060 KB	n=100
6	Correct	6 ms	3060 KB	n=100
7	Correct	5 ms	3060 KB	n=100
8	Correct	4 ms	3060 KB	n=100
9	Correct	4 ms	3060 KB	n=100
10	Correct	4 ms	3060 KB	n=100
11	Correct	4 ms	3060 KB	n=100
12	Correct	4 ms	3060 KB	n=100
13	Correct	4 ms	3060 KB	n=100
14	Correct	4 ms	3060 KB	n=100
15	Correct	4 ms	3060 KB	n=100
16	Correct	4 ms	3060 KB	n=100
17	Correct	4 ms	3060 KB	n=100
18	Correct	4 ms	3060 KB	n=100
19	Correct	4 ms	3060 KB	n=100
20	Correct	4 ms	3060 KB	n=100
21	Correct	4 ms	3060 KB	n=100
22	Correct	4 ms	3060 KB	n=100
23	Correct	12 ms	3060 KB	n=100
24	Correct	14 ms	3060 KB	n=100
25	Correct	6 ms	3060 KB	n=100
26	Correct	3 ms	3060 KB	n=12
27	Correct	4 ms	3060 KB	n=100
28	Correct	4 ms	3060 KB	n=500
29	Correct	17 ms	3060 KB	n=500
30	Correct	18 ms	3060 KB	n=500
31	Correct	19 ms	3060 KB	n=500
32	Correct	4 ms	3060 KB	n=500
33	Correct	18 ms	3060 KB	n=500
34	Correct	4 ms	3060 KB	n=500
35	Correct	14 ms	3060 KB	n=500
36	Correct	28 ms	3132 KB	n=500
37	Correct	27 ms	3132 KB	n=500
38	Correct	26 ms	3132 KB	n=500
39	Correct	16 ms	3132 KB	n=500
40	Correct	16 ms	3132 KB	n=500
41	Correct	16 ms	3132 KB	n=500
42	Correct	17 ms	3132 KB	n=500
43	Correct	17 ms	3132 KB	n=500
44	Correct	16 ms	3132 KB	n=500
45	Correct	4 ms	3132 KB	n=500
46	Correct	20 ms	3132 KB	n=500
47	Correct	14 ms	3132 KB	n=500
48	Correct	4 ms	3132 KB	n=500
49	Correct	13 ms	3132 KB	n=500
50	Correct	8 ms	3132 KB	n=500
51	Correct	18 ms	3132 KB	n=500
52	Correct	22 ms	3132 KB	n=500
53	Correct	15 ms	3132 KB	n=500
54	Correct	250 ms	3132 KB	n=500
55	Correct	7 ms	3132 KB	n=278
56	Correct	2315 ms	3132 KB	n=500
57	Correct	2391 ms	3132 KB	n=500
58	Correct	14 ms	3132 KB	n=500
59	Correct	7 ms	3284 KB	n=2000
60	Correct	301 ms	3396 KB	n=2000
61	Correct	259 ms	3396 KB	n=2000
62	Correct	300 ms	3396 KB	n=2000
63	Correct	8 ms	3396 KB	n=2000
64	Correct	304 ms	3472 KB	n=2000
65	Correct	7 ms	3472 KB	n=2000
66	Correct	351 ms	3472 KB	n=2000
67	Correct	9 ms	3472 KB	n=2000
68	Correct	287 ms	3472 KB	n=2000
69	Correct	375 ms	3472 KB	n=2000
70	Correct	371 ms	3504 KB	n=2000
71	Correct	374 ms	3504 KB	n=2000
72	Correct	186 ms	3504 KB	n=2000
73	Correct	191 ms	3504 KB	n=2000
74	Correct	6 ms	3504 KB	n=1844
75	Correct	197 ms	3504 KB	n=2000
76	Correct	221 ms	3504 KB	n=2000
77	Correct	214 ms	3504 KB	n=2000
78	Correct	231 ms	3504 KB	n=2000
79	Correct	7 ms	3504 KB	n=2000
80	Correct	207 ms	3504 KB	n=2000
81	Correct	242 ms	3504 KB	n=2000
82	Correct	7 ms	3504 KB	n=2000
83	Correct	217 ms	3504 KB	n=2000
84	Correct	69 ms	3504 KB	n=2000
85	Correct	490 ms	3504 KB	n=2000
86	Correct	199 ms	3504 KB	n=2000
87	Correct	68 ms	3504 KB	n=2000
88	Execution timed out	4097 ms	3504 KB	Time limit exceeded
89	Halted	0 ms	0 KB	-

Subtask #4
0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	n=5
2	Correct	4 ms	2812 KB	n=100
3	Correct	4 ms	3016 KB	n=100
4	Correct	4 ms	3060 KB	n=100
5	Correct	4 ms	3060 KB	n=100
6	Correct	6 ms	3060 KB	n=100
7	Correct	5 ms	3060 KB	n=100
8	Correct	4 ms	3060 KB	n=100
9	Correct	4 ms	3060 KB	n=100
10	Correct	4 ms	3060 KB	n=100
11	Correct	4 ms	3060 KB	n=100
12	Correct	4 ms	3060 KB	n=100
13	Correct	4 ms	3060 KB	n=100
14	Correct	4 ms	3060 KB	n=100
15	Correct	4 ms	3060 KB	n=100
16	Correct	4 ms	3060 KB	n=100
17	Correct	4 ms	3060 KB	n=100
18	Correct	4 ms	3060 KB	n=100
19	Correct	4 ms	3060 KB	n=100
20	Correct	4 ms	3060 KB	n=100
21	Correct	4 ms	3060 KB	n=100
22	Correct	4 ms	3060 KB	n=100
23	Correct	12 ms	3060 KB	n=100
24	Correct	14 ms	3060 KB	n=100
25	Correct	6 ms	3060 KB	n=100
26	Correct	3 ms	3060 KB	n=12
27	Correct	4 ms	3060 KB	n=100
28	Correct	4 ms	3060 KB	n=500
29	Correct	17 ms	3060 KB	n=500
30	Correct	18 ms	3060 KB	n=500
31	Correct	19 ms	3060 KB	n=500
32	Correct	4 ms	3060 KB	n=500
33	Correct	18 ms	3060 KB	n=500
34	Correct	4 ms	3060 KB	n=500
35	Correct	14 ms	3060 KB	n=500
36	Correct	28 ms	3132 KB	n=500
37	Correct	27 ms	3132 KB	n=500
38	Correct	26 ms	3132 KB	n=500
39	Correct	16 ms	3132 KB	n=500
40	Correct	16 ms	3132 KB	n=500
41	Correct	16 ms	3132 KB	n=500
42	Correct	17 ms	3132 KB	n=500
43	Correct	17 ms	3132 KB	n=500
44	Correct	16 ms	3132 KB	n=500
45	Correct	4 ms	3132 KB	n=500
46	Correct	20 ms	3132 KB	n=500
47	Correct	14 ms	3132 KB	n=500
48	Correct	4 ms	3132 KB	n=500
49	Correct	13 ms	3132 KB	n=500
50	Correct	8 ms	3132 KB	n=500
51	Correct	18 ms	3132 KB	n=500
52	Correct	22 ms	3132 KB	n=500
53	Correct	15 ms	3132 KB	n=500
54	Correct	250 ms	3132 KB	n=500
55	Correct	7 ms	3132 KB	n=278
56	Correct	2315 ms	3132 KB	n=500
57	Correct	2391 ms	3132 KB	n=500
58	Correct	14 ms	3132 KB	n=500
59	Correct	7 ms	3284 KB	n=2000
60	Correct	301 ms	3396 KB	n=2000
61	Correct	259 ms	3396 KB	n=2000
62	Correct	300 ms	3396 KB	n=2000
63	Correct	8 ms	3396 KB	n=2000
64	Correct	304 ms	3472 KB	n=2000
65	Correct	7 ms	3472 KB	n=2000
66	Correct	351 ms	3472 KB	n=2000
67	Correct	9 ms	3472 KB	n=2000
68	Correct	287 ms	3472 KB	n=2000
69	Correct	375 ms	3472 KB	n=2000
70	Correct	371 ms	3504 KB	n=2000
71	Correct	374 ms	3504 KB	n=2000
72	Correct	186 ms	3504 KB	n=2000
73	Correct	191 ms	3504 KB	n=2000
74	Correct	6 ms	3504 KB	n=1844
75	Correct	197 ms	3504 KB	n=2000
76	Correct	221 ms	3504 KB	n=2000
77	Correct	214 ms	3504 KB	n=2000
78	Correct	231 ms	3504 KB	n=2000
79	Correct	7 ms	3504 KB	n=2000
80	Correct	207 ms	3504 KB	n=2000
81	Correct	242 ms	3504 KB	n=2000
82	Correct	7 ms	3504 KB	n=2000
83	Correct	217 ms	3504 KB	n=2000
84	Correct	69 ms	3504 KB	n=2000
85	Correct	490 ms	3504 KB	n=2000
86	Correct	199 ms	3504 KB	n=2000
87	Correct	68 ms	3504 KB	n=2000
88	Execution timed out	4097 ms	3504 KB	Time limit exceeded
89	Halted	0 ms	0 KB	-

답안 #90587

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 18.0 / 18.0

Subtask #3 0 / 26.0

Subtask #4 0 / 44.0

Subtask #1
12.0 / 12.0

Subtask #2
18.0 / 18.0

Subtask #3
0 / 26.0

Subtask #4
0 / 44.0