oj.uz

Submission #526449

# Submission time Handle Problem Language Result Execution time Memory
526449 2022-02-14T19:12:10 Z Mr_Husanboy Birthday gift (IZhO18_treearray) C++14
100 / 100
 939 ms 86308 KB 
// Muallif: Mansuraliyev Husanboy Murotali o'g'li  >> NamPS

#include<bits/stdc++.h>

using namespace std;
#define ll long long
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define all(a) a.begin(), a.end()
#define F first
#define S second
// 0-9 >> 48-57;    A-Z>>65-90   and   a-z>>97-122 respectively;
const int N=2e5+5;
vector<int> g[N]; int up[N][20],depth[N];
set<int> pos[N],pospair[N];
void dfs(int a, int p){
	for(auto u:g[a]){
		if(u!=p){
			up[u][0]=a;
			for(int i=1;i<20;i++){
				up[u][i]=up[up[u][i-1]][i-1];
			}
			depth[u]=depth[a]+1;
			dfs(u,a);
		}
	}
}

int lca(int a, int b){
	if(depth[a]<depth[b]){
		swap(a,b);
	}
	int k=depth[a]-depth[b];
	for(int i=0;i<20;i++){
		if((1<<i)&k){
			a=up[a][i];
		}
	}
	if(a==b) return a;
	for(int i=19;i>=0;i--){
		if(up[a][i]!=up[b][i]){
			a=up[a][i],b=up[b][i];
		}
	}
	return up[a][0];
}




void solve(){
	int n,m,q; cin>>n>>m>>q;
	for(int i=0;i<n-1;i++){
		int x,y; cin>>x>>y; g[x].push_back(y); g[y].push_back(x);
	}
	dfs(1,1);
//	for(int i=1;i<=n;i++) cout<<depth[i]<<endl;
	int a[m+1];
	for(int i=1;i<=m;i++){
		cin>>a[i]; pos[a[i]].insert(i);
	}
	for(int i=1;i<m;i++){
		pospair[lca(a[i],a[i+1])].insert(i);
	}
/*	int aa,bb; cin>>aa>>bb;
	cout<<lca(aa,bb)<<" lca"<<endl;*/
	while(q--){
		int type; cin>>type;
		if(type==1){
			int x,y; cin>>x>>y;
			pos[a[x]].erase(x);
			pos[y].insert(x);
			if(x>1){
				pospair[lca(a[x-1],a[x])].erase(x-1);
				pospair[lca(a[x-1],y)].insert(x-1);
			}
			if(x<m){
				pospair[lca(a[x],a[x+1])].erase(x);
				pospair[lca(y,a[x+1])].insert(x);
			}
			a[x]=y;
		}else{
			int l,r,x; cin>>l>>r>>x;
			auto pp=pospair[x].lower_bound(l);
		/*	for(int i=1;i<=n;i++){
				cout<<i<<": ";
				for(auto u:pospair[i]){
					cout<<u<<' ';
				}cout<<endl;
			}*/
			auto p=pos[x].lower_bound(l);
			if(p!=pos[x].end()&&*p<=r){
				cout<<*p<<' '<<*p<<"\n";
			}else
			if(pp!=pospair[x].end()&&*pp<r){
				cout<<*pp<<' '<<*pp+1<<"\n";
			}else cout<<"-1 -1\n";
			
		}
	}
}


int main(){
	ios; 
	//int t=1;   cin>>t; while(t--)
	solve();
}
/*
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

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB n=5
2 Correct 11 ms 23772 KB n=100
3 Correct 12 ms 23808 KB n=100
4 Correct 13 ms 23700 KB n=100
5 Correct 14 ms 23820 KB n=100
6 Correct 16 ms 23756 KB n=100
7 Correct 13 ms 23724 KB n=100
8 Correct 12 ms 23828 KB n=100
9 Correct 12 ms 23824 KB n=100
10 Correct 12 ms 23756 KB n=100
11 Correct 14 ms 23808 KB n=100
12 Correct 14 ms 23804 KB n=100
13 Correct 12 ms 23784 KB n=100
14 Correct 12 ms 23824 KB n=100
15 Correct 14 ms 23744 KB n=100
16 Correct 12 ms 23712 KB n=100
17 Correct 12 ms 23756 KB n=100
18 Correct 13 ms 23756 KB n=100
19 Correct 12 ms 23756 KB n=100
20 Correct 12 ms 23756 KB n=100
21 Correct 12 ms 23792 KB n=100
22 Correct 11 ms 23704 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23820 KB n=100
25 Correct 12 ms 23744 KB n=100
26 Correct 12 ms 23752 KB n=12
27 Correct 12 ms 23756 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB n=5
2 Correct 11 ms 23772 KB n=100
3 Correct 12 ms 23808 KB n=100
4 Correct 13 ms 23700 KB n=100
5 Correct 14 ms 23820 KB n=100
6 Correct 16 ms 23756 KB n=100
7 Correct 13 ms 23724 KB n=100
8 Correct 12 ms 23828 KB n=100
9 Correct 12 ms 23824 KB n=100
10 Correct 12 ms 23756 KB n=100
11 Correct 14 ms 23808 KB n=100
12 Correct 14 ms 23804 KB n=100
13 Correct 12 ms 23784 KB n=100
14 Correct 12 ms 23824 KB n=100
15 Correct 14 ms 23744 KB n=100
16 Correct 12 ms 23712 KB n=100
17 Correct 12 ms 23756 KB n=100
18 Correct 13 ms 23756 KB n=100
19 Correct 12 ms 23756 KB n=100
20 Correct 12 ms 23756 KB n=100
21 Correct 12 ms 23792 KB n=100
22 Correct 11 ms 23704 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23820 KB n=100
25 Correct 12 ms 23744 KB n=100
26 Correct 12 ms 23752 KB n=12
27 Correct 12 ms 23756 KB n=100
28 Correct 12 ms 23868 KB n=500
29 Correct 12 ms 23940 KB n=500
30 Correct 13 ms 23920 KB n=500
31 Correct 12 ms 23808 KB n=500
32 Correct 12 ms 23884 KB n=500
33 Correct 12 ms 23884 KB n=500
34 Correct 13 ms 23808 KB n=500
35 Correct 13 ms 23884 KB n=500
36 Correct 13 ms 23808 KB n=500
37 Correct 13 ms 23808 KB n=500
38 Correct 13 ms 23884 KB n=500
39 Correct 12 ms 23816 KB n=500
40 Correct 12 ms 23820 KB n=500
41 Correct 13 ms 23820 KB n=500
42 Correct 12 ms 23884 KB n=500
43 Correct 12 ms 23852 KB n=500
44 Correct 12 ms 23816 KB n=500
45 Correct 12 ms 23808 KB n=500
46 Correct 12 ms 23884 KB n=500
47 Correct 13 ms 23944 KB n=500
48 Correct 13 ms 23884 KB n=500
49 Correct 13 ms 23884 KB n=500
50 Correct 12 ms 23916 KB n=500
51 Correct 13 ms 23884 KB n=500
52 Correct 14 ms 23936 KB n=500
53 Correct 15 ms 23908 KB n=500
54 Correct 12 ms 23900 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23884 KB n=500
57 Correct 12 ms 23944 KB n=500
58 Correct 13 ms 23884 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB n=5
2 Correct 11 ms 23772 KB n=100
3 Correct 12 ms 23808 KB n=100
4 Correct 13 ms 23700 KB n=100
5 Correct 14 ms 23820 KB n=100
6 Correct 16 ms 23756 KB n=100
7 Correct 13 ms 23724 KB n=100
8 Correct 12 ms 23828 KB n=100
9 Correct 12 ms 23824 KB n=100
10 Correct 12 ms 23756 KB n=100
11 Correct 14 ms 23808 KB n=100
12 Correct 14 ms 23804 KB n=100
13 Correct 12 ms 23784 KB n=100
14 Correct 12 ms 23824 KB n=100
15 Correct 14 ms 23744 KB n=100
16 Correct 12 ms 23712 KB n=100
17 Correct 12 ms 23756 KB n=100
18 Correct 13 ms 23756 KB n=100
19 Correct 12 ms 23756 KB n=100
20 Correct 12 ms 23756 KB n=100
21 Correct 12 ms 23792 KB n=100
22 Correct 11 ms 23704 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23820 KB n=100
25 Correct 12 ms 23744 KB n=100
26 Correct 12 ms 23752 KB n=12
27 Correct 12 ms 23756 KB n=100
28 Correct 12 ms 23868 KB n=500
29 Correct 12 ms 23940 KB n=500
30 Correct 13 ms 23920 KB n=500
31 Correct 12 ms 23808 KB n=500
32 Correct 12 ms 23884 KB n=500
33 Correct 12 ms 23884 KB n=500
34 Correct 13 ms 23808 KB n=500
35 Correct 13 ms 23884 KB n=500
36 Correct 13 ms 23808 KB n=500
37 Correct 13 ms 23808 KB n=500
38 Correct 13 ms 23884 KB n=500
39 Correct 12 ms 23816 KB n=500
40 Correct 12 ms 23820 KB n=500
41 Correct 13 ms 23820 KB n=500
42 Correct 12 ms 23884 KB n=500
43 Correct 12 ms 23852 KB n=500
44 Correct 12 ms 23816 KB n=500
45 Correct 12 ms 23808 KB n=500
46 Correct 12 ms 23884 KB n=500
47 Correct 13 ms 23944 KB n=500
48 Correct 13 ms 23884 KB n=500
49 Correct 13 ms 23884 KB n=500
50 Correct 12 ms 23916 KB n=500
51 Correct 13 ms 23884 KB n=500
52 Correct 14 ms 23936 KB n=500
53 Correct 15 ms 23908 KB n=500
54 Correct 12 ms 23900 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23884 KB n=500
57 Correct 12 ms 23944 KB n=500
58 Correct 13 ms 23884 KB n=500
59 Correct 16 ms 24260 KB n=2000
60 Correct 14 ms 24324 KB n=2000
61 Correct 15 ms 24244 KB n=2000
62 Correct 15 ms 24188 KB n=2000
63 Correct 15 ms 24268 KB n=2000
64 Correct 15 ms 24328 KB n=2000
65 Correct 15 ms 24224 KB n=2000
66 Correct 14 ms 24348 KB n=2000
67 Correct 15 ms 24196 KB n=2000
68 Correct 19 ms 24324 KB n=2000
69 Correct 15 ms 24268 KB n=2000
70 Correct 14 ms 24260 KB n=2000
71 Correct 14 ms 24276 KB n=2000
72 Correct 14 ms 24268 KB n=2000
73 Correct 14 ms 24268 KB n=2000
74 Correct 14 ms 24192 KB n=1844
75 Correct 14 ms 24200 KB n=2000
76 Correct 15 ms 24224 KB n=2000
77 Correct 17 ms 24268 KB n=2000
78 Correct 16 ms 24296 KB n=2000
79 Correct 14 ms 24284 KB n=2000
80 Correct 15 ms 24324 KB n=2000
81 Correct 15 ms 24268 KB n=2000
82 Correct 14 ms 24268 KB n=2000
83 Correct 15 ms 24348 KB n=2000
84 Correct 15 ms 24268 KB n=2000
85 Correct 15 ms 24324 KB n=2000
86 Correct 15 ms 24316 KB n=2000
87 Correct 14 ms 24268 KB n=2000
88 Correct 14 ms 24324 KB n=2000
89 Correct 15 ms 24396 KB n=2000
90 Correct 15 ms 24396 KB n=2000
91 Correct 14 ms 24284 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23756 KB n=5
2 Correct 11 ms 23772 KB n=100
3 Correct 12 ms 23808 KB n=100
4 Correct 13 ms 23700 KB n=100
5 Correct 14 ms 23820 KB n=100
6 Correct 16 ms 23756 KB n=100
7 Correct 13 ms 23724 KB n=100
8 Correct 12 ms 23828 KB n=100
9 Correct 12 ms 23824 KB n=100
10 Correct 12 ms 23756 KB n=100
11 Correct 14 ms 23808 KB n=100
12 Correct 14 ms 23804 KB n=100
13 Correct 12 ms 23784 KB n=100
14 Correct 12 ms 23824 KB n=100
15 Correct 14 ms 23744 KB n=100
16 Correct 12 ms 23712 KB n=100
17 Correct 12 ms 23756 KB n=100
18 Correct 13 ms 23756 KB n=100
19 Correct 12 ms 23756 KB n=100
20 Correct 12 ms 23756 KB n=100
21 Correct 12 ms 23792 KB n=100
22 Correct 11 ms 23704 KB n=100
23 Correct 11 ms 23756 KB n=100
24 Correct 12 ms 23820 KB n=100
25 Correct 12 ms 23744 KB n=100
26 Correct 12 ms 23752 KB n=12
27 Correct 12 ms 23756 KB n=100
28 Correct 12 ms 23868 KB n=500
29 Correct 12 ms 23940 KB n=500
30 Correct 13 ms 23920 KB n=500
31 Correct 12 ms 23808 KB n=500
32 Correct 12 ms 23884 KB n=500
33 Correct 12 ms 23884 KB n=500
34 Correct 13 ms 23808 KB n=500
35 Correct 13 ms 23884 KB n=500
36 Correct 13 ms 23808 KB n=500
37 Correct 13 ms 23808 KB n=500
38 Correct 13 ms 23884 KB n=500
39 Correct 12 ms 23816 KB n=500
40 Correct 12 ms 23820 KB n=500
41 Correct 13 ms 23820 KB n=500
42 Correct 12 ms 23884 KB n=500
43 Correct 12 ms 23852 KB n=500
44 Correct 12 ms 23816 KB n=500
45 Correct 12 ms 23808 KB n=500
46 Correct 12 ms 23884 KB n=500
47 Correct 13 ms 23944 KB n=500
48 Correct 13 ms 23884 KB n=500
49 Correct 13 ms 23884 KB n=500
50 Correct 12 ms 23916 KB n=500
51 Correct 13 ms 23884 KB n=500
52 Correct 14 ms 23936 KB n=500
53 Correct 15 ms 23908 KB n=500
54 Correct 12 ms 23900 KB n=500
55 Correct 12 ms 23892 KB n=278
56 Correct 13 ms 23884 KB n=500
57 Correct 12 ms 23944 KB n=500
58 Correct 13 ms 23884 KB n=500
59 Correct 16 ms 24260 KB n=2000
60 Correct 14 ms 24324 KB n=2000
61 Correct 15 ms 24244 KB n=2000
62 Correct 15 ms 24188 KB n=2000
63 Correct 15 ms 24268 KB n=2000
64 Correct 15 ms 24328 KB n=2000
65 Correct 15 ms 24224 KB n=2000
66 Correct 14 ms 24348 KB n=2000
67 Correct 15 ms 24196 KB n=2000
68 Correct 19 ms 24324 KB n=2000
69 Correct 15 ms 24268 KB n=2000
70 Correct 14 ms 24260 KB n=2000
71 Correct 14 ms 24276 KB n=2000
72 Correct 14 ms 24268 KB n=2000
73 Correct 14 ms 24268 KB n=2000
74 Correct 14 ms 24192 KB n=1844
75 Correct 14 ms 24200 KB n=2000
76 Correct 15 ms 24224 KB n=2000
77 Correct 17 ms 24268 KB n=2000
78 Correct 16 ms 24296 KB n=2000
79 Correct 14 ms 24284 KB n=2000
80 Correct 15 ms 24324 KB n=2000
81 Correct 15 ms 24268 KB n=2000
82 Correct 14 ms 24268 KB n=2000
83 Correct 15 ms 24348 KB n=2000
84 Correct 15 ms 24268 KB n=2000
85 Correct 15 ms 24324 KB n=2000
86 Correct 15 ms 24316 KB n=2000
87 Correct 14 ms 24268 KB n=2000
88 Correct 14 ms 24324 KB n=2000
89 Correct 15 ms 24396 KB n=2000
90 Correct 15 ms 24396 KB n=2000
91 Correct 14 ms 24284 KB n=2000
92 Correct 621 ms 74480 KB n=200000
93 Correct 912 ms 80172 KB n=200000
94 Correct 895 ms 84628 KB n=200000
95 Correct 643 ms 74384 KB n=200000
96 Correct 620 ms 74368 KB n=200000
97 Correct 924 ms 79020 KB n=200000
98 Correct 619 ms 74388 KB n=200000
99 Correct 766 ms 74496 KB n=200000
100 Correct 650 ms 74448 KB n=200000
101 Correct 913 ms 86308 KB n=200000
102 Correct 405 ms 75520 KB n=200000
103 Correct 393 ms 75492 KB n=200000
104 Correct 376 ms 75528 KB n=200000
105 Correct 390 ms 75936 KB n=200000
106 Correct 409 ms 75872 KB n=200000
107 Correct 374 ms 76084 KB n=200000
108 Correct 691 ms 74356 KB n=200000
109 Correct 697 ms 74556 KB n=200000
110 Correct 685 ms 74416 KB n=200000
111 Correct 651 ms 73772 KB n=200000
112 Correct 856 ms 84932 KB n=200000
113 Correct 934 ms 79088 KB n=200000
114 Correct 658 ms 73808 KB n=200000
115 Correct 939 ms 76240 KB n=200000
116 Correct 571 ms 74492 KB n=200000
117 Correct 854 ms 85540 KB n=200000
118 Correct 897 ms 77576 KB n=200000
119 Correct 646 ms 74692 KB n=200000
120 Correct 806 ms 85316 KB n=200000
121 Correct 858 ms 85360 KB n=200000
122 Correct 818 ms 85600 KB n=200000
123 Correct 406 ms 75640 KB n=200000
124 Correct 199 ms 38648 KB n=25264