답안 #48552 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
48552	2018-05-15T23:14:25 Z	aleksami	Birthday gift (IZhO18_treearray)	C++14	100 / 100	1326 ms	262144 KB

treearray

#include <bits/stdc++.h>

using namespace std;
#define MAXN 200005
#define LOG 20
vector <int> g[MAXN];
int a[MAXN];
int in[MAXN];
int out[MAXN];
int rmq[MAXN][LOG];

int T=0;

void dfs(int v,int p)
{
	in[v]=++T;
	rmq[v][0]=p;
	for(auto x:g[v])
	{
		if(x==p)continue;
		dfs(x,v);
	}
	out[v]=T;
}

int insubtree(int u,int v)
{
	return (in[u]<=in[v]&&out[u]>=in[v]);
}

int lca(int u,int v)
{
	if(insubtree(u,v))return u;
	if(insubtree(v,u))return v;
	for(int j = LOG-1; j >= 0; j--)
	{
		if(!insubtree(rmq[u][j],v))u=rmq[u][j];
	}
	return rmq[u][0];
}

set <int> st[MAXN];
set <int> stz[MAXN];

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n,m,q;
	cin >> n >> m >> q;
	for(int i = 0; i < n-1; i++)
	{
		int u,v;
		cin >> u >> v;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	dfs(1,0);
	rmq[1][0]=1;
	for(int d = 1; d < LOG; d++)
	{
		for(int i = 1; i <= n; i++)rmq[i][d]=rmq[rmq[i][d-1]][d-1];
	}
	for(int i = 1; i <= m; i++)cin >> a[i];
	for(int i = 1; i <= m-1; i++)
	{
		st[lca(a[i],a[i+1])].insert(i);
	}
	for(int i = 1; i <= m; i++)
	{
		stz[a[i]].insert(i);
	}
	while(q--)
	{
		int t;
		cin >> t;
		if(t==1)
		{
			int idx,val;
			cin >> idx >> val;
			if(idx!=m)
			{
				st[lca(a[idx],a[idx+1])].erase(idx);
				st[lca(val,a[idx+1])].insert(idx);
			}
			if(idx != 1)
			{
				st[lca(a[idx-1],a[idx])].erase(idx-1);
				st[lca(a[idx-1],val)].insert(idx-1);
			}
			stz[a[idx]].erase(idx);
			stz[val].insert(idx);
			a[idx]=val;
		}
		else
		{
			int l,r,v;
			cin >> l >> r >> v;
			auto it = st[v].lower_bound(l);
			auto itt = stz[v].lower_bound(l);
			if(itt!=stz[v].end() && *itt >= l && *itt <= r)
			{
				cout << *itt << " " << *itt << "\n";
				continue;
			}
			if(it==st[v].end())
			{
				cout << "-1 -1\n";
				continue;
			}
			if(*it <= r && *it >= l && (*it+1)<=r)
			{
				cout << *it << " " << *it+1 << "\n";
			}
			else
			{
				cout << "-1 -1\n";
			}
		}
	}
	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	21 ms	23928 KB	n=5
2	Correct	20 ms	24044 KB	n=100
3	Correct	24 ms	24156 KB	n=100
4	Correct	21 ms	24268 KB	n=100
5	Correct	21 ms	24308 KB	n=100
6	Correct	21 ms	24360 KB	n=100
7	Correct	21 ms	24404 KB	n=100
8	Correct	21 ms	24404 KB	n=100
9	Correct	21 ms	24404 KB	n=100
10	Correct	20 ms	24404 KB	n=100
11	Correct	20 ms	24404 KB	n=100
12	Correct	20 ms	24404 KB	n=100
13	Correct	20 ms	24404 KB	n=100
14	Correct	20 ms	24404 KB	n=100
15	Correct	19 ms	24404 KB	n=100
16	Correct	24 ms	24404 KB	n=100
17	Correct	20 ms	24404 KB	n=100
18	Correct	21 ms	24404 KB	n=100
19	Correct	20 ms	24404 KB	n=100
20	Correct	21 ms	24476 KB	n=100
21	Correct	20 ms	24476 KB	n=100
22	Correct	20 ms	24476 KB	n=100
23	Correct	22 ms	24476 KB	n=100
24	Correct	20 ms	24476 KB	n=100
25	Correct	20 ms	24476 KB	n=100
26	Correct	20 ms	24476 KB	n=12
27	Correct	21 ms	24476 KB	n=100

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	20 ms	24044 KB	n=100
3	Correct	24 ms	24156 KB	n=100
4	Correct	21 ms	24268 KB	n=100
5	Correct	21 ms	24308 KB	n=100
6	Correct	21 ms	24360 KB	n=100
7	Correct	21 ms	24404 KB	n=100
8	Correct	21 ms	24404 KB	n=100
9	Correct	21 ms	24404 KB	n=100
10	Correct	20 ms	24404 KB	n=100
11	Correct	20 ms	24404 KB	n=100
12	Correct	20 ms	24404 KB	n=100
13	Correct	20 ms	24404 KB	n=100
14	Correct	20 ms	24404 KB	n=100
15	Correct	19 ms	24404 KB	n=100
16	Correct	24 ms	24404 KB	n=100
17	Correct	20 ms	24404 KB	n=100
18	Correct	21 ms	24404 KB	n=100
19	Correct	20 ms	24404 KB	n=100
20	Correct	21 ms	24476 KB	n=100
21	Correct	20 ms	24476 KB	n=100
22	Correct	20 ms	24476 KB	n=100
23	Correct	22 ms	24476 KB	n=100
24	Correct	20 ms	24476 KB	n=100
25	Correct	20 ms	24476 KB	n=100
26	Correct	20 ms	24476 KB	n=12
27	Correct	21 ms	24476 KB	n=100
28	Correct	22 ms	24568 KB	n=500
29	Correct	21 ms	24692 KB	n=500
30	Correct	21 ms	24692 KB	n=500
31	Correct	21 ms	24692 KB	n=500
32	Correct	21 ms	24692 KB	n=500
33	Correct	21 ms	24692 KB	n=500
34	Correct	22 ms	24692 KB	n=500
35	Correct	21 ms	24692 KB	n=500
36	Correct	20 ms	24692 KB	n=500
37	Correct	21 ms	24692 KB	n=500
38	Correct	21 ms	24696 KB	n=500
39	Correct	22 ms	24728 KB	n=500
40	Correct	20 ms	24728 KB	n=500
41	Correct	21 ms	24756 KB	n=500
42	Correct	22 ms	24772 KB	n=500
43	Correct	21 ms	24784 KB	n=500
44	Correct	21 ms	24796 KB	n=500
45	Correct	22 ms	24864 KB	n=500
46	Correct	21 ms	24864 KB	n=500
47	Correct	21 ms	24864 KB	n=500
48	Correct	21 ms	24864 KB	n=500
49	Correct	20 ms	24864 KB	n=500
50	Correct	21 ms	24880 KB	n=500
51	Correct	21 ms	24976 KB	n=500
52	Correct	21 ms	24976 KB	n=500
53	Correct	21 ms	24976 KB	n=500
54	Correct	21 ms	24976 KB	n=500
55	Correct	20 ms	24976 KB	n=278
56	Correct	23 ms	24976 KB	n=500
57	Correct	22 ms	24976 KB	n=500
58	Correct	21 ms	24984 KB	n=500

Subtask #3
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	20 ms	24044 KB	n=100
3	Correct	24 ms	24156 KB	n=100
4	Correct	21 ms	24268 KB	n=100
5	Correct	21 ms	24308 KB	n=100
6	Correct	21 ms	24360 KB	n=100
7	Correct	21 ms	24404 KB	n=100
8	Correct	21 ms	24404 KB	n=100
9	Correct	21 ms	24404 KB	n=100
10	Correct	20 ms	24404 KB	n=100
11	Correct	20 ms	24404 KB	n=100
12	Correct	20 ms	24404 KB	n=100
13	Correct	20 ms	24404 KB	n=100
14	Correct	20 ms	24404 KB	n=100
15	Correct	19 ms	24404 KB	n=100
16	Correct	24 ms	24404 KB	n=100
17	Correct	20 ms	24404 KB	n=100
18	Correct	21 ms	24404 KB	n=100
19	Correct	20 ms	24404 KB	n=100
20	Correct	21 ms	24476 KB	n=100
21	Correct	20 ms	24476 KB	n=100
22	Correct	20 ms	24476 KB	n=100
23	Correct	22 ms	24476 KB	n=100
24	Correct	20 ms	24476 KB	n=100
25	Correct	20 ms	24476 KB	n=100
26	Correct	20 ms	24476 KB	n=12
27	Correct	21 ms	24476 KB	n=100
28	Correct	22 ms	24568 KB	n=500
29	Correct	21 ms	24692 KB	n=500
30	Correct	21 ms	24692 KB	n=500
31	Correct	21 ms	24692 KB	n=500
32	Correct	21 ms	24692 KB	n=500
33	Correct	21 ms	24692 KB	n=500
34	Correct	22 ms	24692 KB	n=500
35	Correct	21 ms	24692 KB	n=500
36	Correct	20 ms	24692 KB	n=500
37	Correct	21 ms	24692 KB	n=500
38	Correct	21 ms	24696 KB	n=500
39	Correct	22 ms	24728 KB	n=500
40	Correct	20 ms	24728 KB	n=500
41	Correct	21 ms	24756 KB	n=500
42	Correct	22 ms	24772 KB	n=500
43	Correct	21 ms	24784 KB	n=500
44	Correct	21 ms	24796 KB	n=500
45	Correct	22 ms	24864 KB	n=500
46	Correct	21 ms	24864 KB	n=500
47	Correct	21 ms	24864 KB	n=500
48	Correct	21 ms	24864 KB	n=500
49	Correct	20 ms	24864 KB	n=500
50	Correct	21 ms	24880 KB	n=500
51	Correct	21 ms	24976 KB	n=500
52	Correct	21 ms	24976 KB	n=500
53	Correct	21 ms	24976 KB	n=500
54	Correct	21 ms	24976 KB	n=500
55	Correct	20 ms	24976 KB	n=278
56	Correct	23 ms	24976 KB	n=500
57	Correct	22 ms	24976 KB	n=500
58	Correct	21 ms	24984 KB	n=500
59	Correct	25 ms	25384 KB	n=2000
60	Correct	23 ms	25580 KB	n=2000
61	Correct	24 ms	25620 KB	n=2000
62	Correct	25 ms	25620 KB	n=2000
63	Correct	25 ms	25620 KB	n=2000
64	Correct	24 ms	25660 KB	n=2000
65	Correct	25 ms	25720 KB	n=2000
66	Correct	25 ms	25896 KB	n=2000
67	Correct	26 ms	25896 KB	n=2000
68	Correct	25 ms	25896 KB	n=2000
69	Correct	25 ms	25944 KB	n=2000
70	Correct	25 ms	26032 KB	n=2000
71	Correct	23 ms	26044 KB	n=2000
72	Correct	23 ms	26096 KB	n=2000
73	Correct	24 ms	26140 KB	n=2000
74	Correct	25 ms	26208 KB	n=1844
75	Correct	24 ms	26328 KB	n=2000
76	Correct	24 ms	26328 KB	n=2000
77	Correct	32 ms	26360 KB	n=2000
78	Correct	25 ms	26412 KB	n=2000
79	Correct	26 ms	26504 KB	n=2000
80	Correct	24 ms	26724 KB	n=2000
81	Correct	24 ms	26724 KB	n=2000
82	Correct	26 ms	26728 KB	n=2000
83	Correct	25 ms	26824 KB	n=2000
84	Correct	25 ms	26824 KB	n=2000
85	Correct	24 ms	26824 KB	n=2000
86	Correct	25 ms	26868 KB	n=2000
87	Correct	25 ms	27004 KB	n=2000
88	Correct	24 ms	27096 KB	n=2000
89	Correct	24 ms	27160 KB	n=2000
90	Correct	24 ms	27216 KB	n=2000
91	Correct	24 ms	27216 KB	n=2000

Subtask #4
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	20 ms	24044 KB	n=100
3	Correct	24 ms	24156 KB	n=100
4	Correct	21 ms	24268 KB	n=100
5	Correct	21 ms	24308 KB	n=100
6	Correct	21 ms	24360 KB	n=100
7	Correct	21 ms	24404 KB	n=100
8	Correct	21 ms	24404 KB	n=100
9	Correct	21 ms	24404 KB	n=100
10	Correct	20 ms	24404 KB	n=100
11	Correct	20 ms	24404 KB	n=100
12	Correct	20 ms	24404 KB	n=100
13	Correct	20 ms	24404 KB	n=100
14	Correct	20 ms	24404 KB	n=100
15	Correct	19 ms	24404 KB	n=100
16	Correct	24 ms	24404 KB	n=100
17	Correct	20 ms	24404 KB	n=100
18	Correct	21 ms	24404 KB	n=100
19	Correct	20 ms	24404 KB	n=100
20	Correct	21 ms	24476 KB	n=100
21	Correct	20 ms	24476 KB	n=100
22	Correct	20 ms	24476 KB	n=100
23	Correct	22 ms	24476 KB	n=100
24	Correct	20 ms	24476 KB	n=100
25	Correct	20 ms	24476 KB	n=100
26	Correct	20 ms	24476 KB	n=12
27	Correct	21 ms	24476 KB	n=100
28	Correct	22 ms	24568 KB	n=500
29	Correct	21 ms	24692 KB	n=500
30	Correct	21 ms	24692 KB	n=500
31	Correct	21 ms	24692 KB	n=500
32	Correct	21 ms	24692 KB	n=500
33	Correct	21 ms	24692 KB	n=500
34	Correct	22 ms	24692 KB	n=500
35	Correct	21 ms	24692 KB	n=500
36	Correct	20 ms	24692 KB	n=500
37	Correct	21 ms	24692 KB	n=500
38	Correct	21 ms	24696 KB	n=500
39	Correct	22 ms	24728 KB	n=500
40	Correct	20 ms	24728 KB	n=500
41	Correct	21 ms	24756 KB	n=500
42	Correct	22 ms	24772 KB	n=500
43	Correct	21 ms	24784 KB	n=500
44	Correct	21 ms	24796 KB	n=500
45	Correct	22 ms	24864 KB	n=500
46	Correct	21 ms	24864 KB	n=500
47	Correct	21 ms	24864 KB	n=500
48	Correct	21 ms	24864 KB	n=500
49	Correct	20 ms	24864 KB	n=500
50	Correct	21 ms	24880 KB	n=500
51	Correct	21 ms	24976 KB	n=500
52	Correct	21 ms	24976 KB	n=500
53	Correct	21 ms	24976 KB	n=500
54	Correct	21 ms	24976 KB	n=500
55	Correct	20 ms	24976 KB	n=278
56	Correct	23 ms	24976 KB	n=500
57	Correct	22 ms	24976 KB	n=500
58	Correct	21 ms	24984 KB	n=500
59	Correct	25 ms	25384 KB	n=2000
60	Correct	23 ms	25580 KB	n=2000
61	Correct	24 ms	25620 KB	n=2000
62	Correct	25 ms	25620 KB	n=2000
63	Correct	25 ms	25620 KB	n=2000
64	Correct	24 ms	25660 KB	n=2000
65	Correct	25 ms	25720 KB	n=2000
66	Correct	25 ms	25896 KB	n=2000
67	Correct	26 ms	25896 KB	n=2000
68	Correct	25 ms	25896 KB	n=2000
69	Correct	25 ms	25944 KB	n=2000
70	Correct	25 ms	26032 KB	n=2000
71	Correct	23 ms	26044 KB	n=2000
72	Correct	23 ms	26096 KB	n=2000
73	Correct	24 ms	26140 KB	n=2000
74	Correct	25 ms	26208 KB	n=1844
75	Correct	24 ms	26328 KB	n=2000
76	Correct	24 ms	26328 KB	n=2000
77	Correct	32 ms	26360 KB	n=2000
78	Correct	25 ms	26412 KB	n=2000
79	Correct	26 ms	26504 KB	n=2000
80	Correct	24 ms	26724 KB	n=2000
81	Correct	24 ms	26724 KB	n=2000
82	Correct	26 ms	26728 KB	n=2000
83	Correct	25 ms	26824 KB	n=2000
84	Correct	25 ms	26824 KB	n=2000
85	Correct	24 ms	26824 KB	n=2000
86	Correct	25 ms	26868 KB	n=2000
87	Correct	25 ms	27004 KB	n=2000
88	Correct	24 ms	27096 KB	n=2000
89	Correct	24 ms	27160 KB	n=2000
90	Correct	24 ms	27216 KB	n=2000
91	Correct	24 ms	27216 KB	n=2000
92	Correct	934 ms	78264 KB	n=200000
93	Correct	1094 ms	89792 KB	n=200000
94	Correct	746 ms	100596 KB	n=200000
95	Correct	902 ms	100596 KB	n=200000
96	Correct	893 ms	106588 KB	n=200000
97	Correct	1029 ms	117192 KB	n=200000
98	Correct	934 ms	120632 KB	n=200000
99	Correct	1014 ms	127340 KB	n=200000
100	Correct	883 ms	134412 KB	n=200000
101	Correct	692 ms	150484 KB	n=200000
102	Correct	526 ms	150484 KB	n=200000
103	Correct	547 ms	156280 KB	n=200000
104	Correct	522 ms	163028 KB	n=200000
105	Correct	532 ms	170240 KB	n=200000
106	Correct	544 ms	177296 KB	n=200000
107	Correct	559 ms	184776 KB	n=200000
108	Correct	1108 ms	190804 KB	n=200000
109	Correct	1078 ms	197616 KB	n=200000
110	Correct	1016 ms	204468 KB	n=200000
111	Correct	1002 ms	210792 KB	n=200000
112	Correct	806 ms	225896 KB	n=200000
113	Correct	1094 ms	228992 KB	n=200000
114	Correct	1008 ms	232240 KB	n=200000
115	Correct	1326 ms	240940 KB	n=200000
116	Correct	954 ms	246512 KB	n=200000
117	Correct	753 ms	262128 KB	n=200000
118	Correct	1236 ms	262144 KB	n=200000
119	Correct	905 ms	262144 KB	n=200000
120	Correct	634 ms	262144 KB	n=200000
121	Correct	672 ms	262144 KB	n=200000
122	Correct	620 ms	262144 KB	n=200000
123	Correct	534 ms	262144 KB	n=200000
124	Correct	231 ms	262144 KB	n=25264

답안 #48552

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