oj.uz

Submission #667302

# Submission time Handle Problem Language Result Execution time Memory
667302 2022-12-01T05:24:20 Z Kaztaev_Alisher Birthday gift (IZhO18_treearray) C++17
100 / 100
 1646 ms 95056 KB 
//#pragma GCC optomize ("Ofast")
//#pragma GCC optomize ("unroll-loops")
//#pragma GCC target ("avx,avx2,fma")

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define sz size
#define cl clear
#define ins insert
#define ers erase
#define pii pair < int , int >
#define pll pair< long long  , long long >
#define all(x) x.begin() , x.end()
#define ios ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define tostr(x) to_string(x)
#define tonum(s) atoi(s.c_str())
#define seon(x) setprecision(x)
#define bpop(x) __builtin_popcount(x)
#define deb(x) cerr << #x  << " = " << x << endl;
#define int ll

typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ldb;
const double PI = 3.14159265;

const ll N = 2e5+5;
const ll mod = 1e9+7;
const ll inf = 1e9;
const ll INF = 1e18;

using namespace std;

int n , m , q , a[N];
int dep[N] , up[N][20] ;
vector<int> g[N];
set<int> st1[N];
set<pii> st;
void dfs(int v, int p){
	dep[v] = dep[p]+1;
 	up[v][0] = p;
	for(int i = 1; i < 20; i++){
		up[v][i] = up[up[v][i-1]][i-1]; 
	}
	for(int to : g[v]){
		if(to == p) continue;
		dfs(to , v);
	}
}
int lca(int a , int b){
	if(dep[a] > dep[b]) swap(a , b);
	for(int i = 19; i >= 0; i--){
		if(dep[up[b][i]] >= dep[a]){
			b = up[b][i];
		}
	}
	if(b == a) return a;
	for(int i = 19; i >= 0; i--){
		if(up[b][i] != up[a][i]){
			b = up[b][i];
			a = up[a][i];
		}
	}
	return up[b][0];
}

void solve(){
	cin >> n >> m >> q;
	for(int i = 1; i < n; i++){
		int a, b;
		cin >> a >> b;
		g[a].pb(b);
		g[b].pb(a);
	}	
	dfs(1 , 0);
	for(int i = 1; i <= m; i++) {
		cin >> a[i];
		if(i) st.ins({lca(a[i] , a[i-1]) , i-1});
		st1[a[i]].ins(i);
	}
	while(q--){
		int tp;
		cin >> tp;
		if(tp == 1){
			int pos , v; 
			cin >> pos >> v;
			st1[a[pos]].ers(pos);
			if(pos-1 >= 1) st.ers({lca(a[pos] , a[pos-1]) , pos-1});
			if(pos+1 <= m) st.ers({lca(a[pos] , a[pos+1]) , pos});
			a[pos] = v;
			st1[a[pos]].ins(pos);
			if(pos-1 >= 1) st.ins({lca(a[pos] , a[pos-1]) , pos-1});
			if(pos+1 <= m) st.ins({lca(a[pos] , a[pos+1]) , pos});
		} else {
			int l , r , v;
			cin >> l >> r >> v;
			auto it = st1[v].lower_bound(l);
			if(it != st1[v].end()){
				if(*it <= r){
					cout << *it <<" " << *it << "\n";
					continue;
				}
			}
			auto it1 = st.lower_bound({v , l});
			if(it1 != st.end()){
				pii a = *it1; 
				if(a.F == v && a.S <= r-1){
					cout << a.S <<" " << a.S+1 << "\n";
					continue;
				}
			}
			cout << -1 << " " << -1 <<"\n";
		}
	}
}
signed main(){
	ios;
	solve();
	return 0;
}
/*
11 
1 2
2 3
2 4
1 5
5 6
6 7
6 8
5 9 
9 10
9 11
*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14464 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 8 ms 14420 KB n=100
5 Correct 8 ms 14420 KB n=100
6 Correct 7 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 7 ms 14420 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 8 ms 14416 KB n=100
11 Correct 8 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 8 ms 14388 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 8 ms 14416 KB n=100
16 Correct 9 ms 14420 KB n=100
17 Correct 8 ms 14420 KB n=100
18 Correct 9 ms 14420 KB n=100
19 Correct 9 ms 14420 KB n=100
20 Correct 8 ms 14416 KB n=100
21 Correct 8 ms 14420 KB n=100
22 Correct 9 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 9 ms 14432 KB n=100
25 Correct 8 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 8 ms 14420 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14464 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 8 ms 14420 KB n=100
5 Correct 8 ms 14420 KB n=100
6 Correct 7 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 7 ms 14420 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 8 ms 14416 KB n=100
11 Correct 8 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 8 ms 14388 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 8 ms 14416 KB n=100
16 Correct 9 ms 14420 KB n=100
17 Correct 8 ms 14420 KB n=100
18 Correct 9 ms 14420 KB n=100
19 Correct 9 ms 14420 KB n=100
20 Correct 8 ms 14416 KB n=100
21 Correct 8 ms 14420 KB n=100
22 Correct 9 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 9 ms 14432 KB n=100
25 Correct 8 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 8 ms 14420 KB n=100
28 Correct 10 ms 14596 KB n=500
29 Correct 8 ms 14556 KB n=500
30 Correct 9 ms 14548 KB n=500
31 Correct 9 ms 14548 KB n=500
32 Correct 9 ms 14548 KB n=500
33 Correct 10 ms 14548 KB n=500
34 Correct 9 ms 14548 KB n=500
35 Correct 9 ms 14548 KB n=500
36 Correct 10 ms 14552 KB n=500
37 Correct 8 ms 14536 KB n=500
38 Correct 10 ms 14548 KB n=500
39 Correct 10 ms 14508 KB n=500
40 Correct 8 ms 14548 KB n=500
41 Correct 8 ms 14564 KB n=500
42 Correct 9 ms 14556 KB n=500
43 Correct 10 ms 14548 KB n=500
44 Correct 9 ms 14548 KB n=500
45 Correct 8 ms 14548 KB n=500
46 Correct 9 ms 14544 KB n=500
47 Correct 9 ms 14608 KB n=500
48 Correct 8 ms 14548 KB n=500
49 Correct 9 ms 14564 KB n=500
50 Correct 8 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 10 ms 14556 KB n=500
53 Correct 9 ms 14548 KB n=500
54 Correct 8 ms 14548 KB n=500
55 Correct 8 ms 14436 KB n=278
56 Correct 8 ms 14568 KB n=500
57 Correct 8 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14464 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 8 ms 14420 KB n=100
5 Correct 8 ms 14420 KB n=100
6 Correct 7 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 7 ms 14420 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 8 ms 14416 KB n=100
11 Correct 8 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 8 ms 14388 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 8 ms 14416 KB n=100
16 Correct 9 ms 14420 KB n=100
17 Correct 8 ms 14420 KB n=100
18 Correct 9 ms 14420 KB n=100
19 Correct 9 ms 14420 KB n=100
20 Correct 8 ms 14416 KB n=100
21 Correct 8 ms 14420 KB n=100
22 Correct 9 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 9 ms 14432 KB n=100
25 Correct 8 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 8 ms 14420 KB n=100
28 Correct 10 ms 14596 KB n=500
29 Correct 8 ms 14556 KB n=500
30 Correct 9 ms 14548 KB n=500
31 Correct 9 ms 14548 KB n=500
32 Correct 9 ms 14548 KB n=500
33 Correct 10 ms 14548 KB n=500
34 Correct 9 ms 14548 KB n=500
35 Correct 9 ms 14548 KB n=500
36 Correct 10 ms 14552 KB n=500
37 Correct 8 ms 14536 KB n=500
38 Correct 10 ms 14548 KB n=500
39 Correct 10 ms 14508 KB n=500
40 Correct 8 ms 14548 KB n=500
41 Correct 8 ms 14564 KB n=500
42 Correct 9 ms 14556 KB n=500
43 Correct 10 ms 14548 KB n=500
44 Correct 9 ms 14548 KB n=500
45 Correct 8 ms 14548 KB n=500
46 Correct 9 ms 14544 KB n=500
47 Correct 9 ms 14608 KB n=500
48 Correct 8 ms 14548 KB n=500
49 Correct 9 ms 14564 KB n=500
50 Correct 8 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 10 ms 14556 KB n=500
53 Correct 9 ms 14548 KB n=500
54 Correct 8 ms 14548 KB n=500
55 Correct 8 ms 14436 KB n=278
56 Correct 8 ms 14568 KB n=500
57 Correct 8 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500
59 Correct 12 ms 15104 KB n=2000
60 Correct 11 ms 15188 KB n=2000
61 Correct 11 ms 15068 KB n=2000
62 Correct 12 ms 15060 KB n=2000
63 Correct 11 ms 15068 KB n=2000
64 Correct 11 ms 15072 KB n=2000
65 Correct 14 ms 15060 KB n=2000
66 Correct 11 ms 15076 KB n=2000
67 Correct 12 ms 15028 KB n=2000
68 Correct 12 ms 15076 KB n=2000
69 Correct 10 ms 15060 KB n=2000
70 Correct 10 ms 15068 KB n=2000
71 Correct 10 ms 15060 KB n=2000
72 Correct 13 ms 15036 KB n=2000
73 Correct 10 ms 15060 KB n=2000
74 Correct 11 ms 15024 KB n=1844
75 Correct 10 ms 15140 KB n=2000
76 Correct 13 ms 15052 KB n=2000
77 Correct 11 ms 15060 KB n=2000
78 Correct 12 ms 15060 KB n=2000
79 Correct 12 ms 15188 KB n=2000
80 Correct 11 ms 15204 KB n=2000
81 Correct 12 ms 15060 KB n=2000
82 Correct 11 ms 15060 KB n=2000
83 Correct 12 ms 15068 KB n=2000
84 Correct 12 ms 15060 KB n=2000
85 Correct 12 ms 15152 KB n=2000
86 Correct 11 ms 15060 KB n=2000
87 Correct 11 ms 15072 KB n=2000
88 Correct 11 ms 15152 KB n=2000
89 Correct 11 ms 15164 KB n=2000
90 Correct 11 ms 15188 KB n=2000
91 Correct 10 ms 15060 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14464 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 8 ms 14420 KB n=100
5 Correct 8 ms 14420 KB n=100
6 Correct 7 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 7 ms 14420 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 8 ms 14416 KB n=100
11 Correct 8 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 8 ms 14388 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 8 ms 14416 KB n=100
16 Correct 9 ms 14420 KB n=100
17 Correct 8 ms 14420 KB n=100
18 Correct 9 ms 14420 KB n=100
19 Correct 9 ms 14420 KB n=100
20 Correct 8 ms 14416 KB n=100
21 Correct 8 ms 14420 KB n=100
22 Correct 9 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 9 ms 14432 KB n=100
25 Correct 8 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 8 ms 14420 KB n=100
28 Correct 10 ms 14596 KB n=500
29 Correct 8 ms 14556 KB n=500
30 Correct 9 ms 14548 KB n=500
31 Correct 9 ms 14548 KB n=500
32 Correct 9 ms 14548 KB n=500
33 Correct 10 ms 14548 KB n=500
34 Correct 9 ms 14548 KB n=500
35 Correct 9 ms 14548 KB n=500
36 Correct 10 ms 14552 KB n=500
37 Correct 8 ms 14536 KB n=500
38 Correct 10 ms 14548 KB n=500
39 Correct 10 ms 14508 KB n=500
40 Correct 8 ms 14548 KB n=500
41 Correct 8 ms 14564 KB n=500
42 Correct 9 ms 14556 KB n=500
43 Correct 10 ms 14548 KB n=500
44 Correct 9 ms 14548 KB n=500
45 Correct 8 ms 14548 KB n=500
46 Correct 9 ms 14544 KB n=500
47 Correct 9 ms 14608 KB n=500
48 Correct 8 ms 14548 KB n=500
49 Correct 9 ms 14564 KB n=500
50 Correct 8 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 10 ms 14556 KB n=500
53 Correct 9 ms 14548 KB n=500
54 Correct 8 ms 14548 KB n=500
55 Correct 8 ms 14436 KB n=278
56 Correct 8 ms 14568 KB n=500
57 Correct 8 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500
59 Correct 12 ms 15104 KB n=2000
60 Correct 11 ms 15188 KB n=2000
61 Correct 11 ms 15068 KB n=2000
62 Correct 12 ms 15060 KB n=2000
63 Correct 11 ms 15068 KB n=2000
64 Correct 11 ms 15072 KB n=2000
65 Correct 14 ms 15060 KB n=2000
66 Correct 11 ms 15076 KB n=2000
67 Correct 12 ms 15028 KB n=2000
68 Correct 12 ms 15076 KB n=2000
69 Correct 10 ms 15060 KB n=2000
70 Correct 10 ms 15068 KB n=2000
71 Correct 10 ms 15060 KB n=2000
72 Correct 13 ms 15036 KB n=2000
73 Correct 10 ms 15060 KB n=2000
74 Correct 11 ms 15024 KB n=1844
75 Correct 10 ms 15140 KB n=2000
76 Correct 13 ms 15052 KB n=2000
77 Correct 11 ms 15060 KB n=2000
78 Correct 12 ms 15060 KB n=2000
79 Correct 12 ms 15188 KB n=2000
80 Correct 11 ms 15204 KB n=2000
81 Correct 12 ms 15060 KB n=2000
82 Correct 11 ms 15060 KB n=2000
83 Correct 12 ms 15068 KB n=2000
84 Correct 12 ms 15060 KB n=2000
85 Correct 12 ms 15152 KB n=2000
86 Correct 11 ms 15060 KB n=2000
87 Correct 11 ms 15072 KB n=2000
88 Correct 11 ms 15152 KB n=2000
89 Correct 11 ms 15164 KB n=2000
90 Correct 11 ms 15188 KB n=2000
91 Correct 10 ms 15060 KB n=2000
92 Correct 763 ms 86352 KB n=200000
93 Correct 1582 ms 91260 KB n=200000
94 Correct 1455 ms 94140 KB n=200000
95 Correct 788 ms 86052 KB n=200000
96 Correct 709 ms 86268 KB n=200000
97 Correct 1570 ms 90380 KB n=200000
98 Correct 752 ms 86096 KB n=200000
99 Correct 1006 ms 86516 KB n=200000
100 Correct 737 ms 86100 KB n=200000
101 Correct 1456 ms 95056 KB n=200000
102 Correct 468 ms 87452 KB n=200000
103 Correct 485 ms 87620 KB n=200000
104 Correct 487 ms 87504 KB n=200000
105 Correct 489 ms 87856 KB n=200000
106 Correct 478 ms 87896 KB n=200000
107 Correct 482 ms 87928 KB n=200000
108 Correct 1028 ms 86408 KB n=200000
109 Correct 929 ms 86316 KB n=200000
110 Correct 905 ms 86380 KB n=200000
111 Correct 746 ms 85696 KB n=200000
112 Correct 1535 ms 94216 KB n=200000
113 Correct 1619 ms 90380 KB n=200000
114 Correct 765 ms 85632 KB n=200000
115 Correct 1646 ms 88356 KB n=200000
116 Correct 726 ms 86284 KB n=200000
117 Correct 1490 ms 94472 KB n=200000
118 Correct 1629 ms 89176 KB n=200000
119 Correct 695 ms 86196 KB n=200000
120 Correct 1398 ms 93996 KB n=200000
121 Correct 1391 ms 94048 KB n=200000
122 Correct 1596 ms 94256 KB n=200000
123 Correct 548 ms 87660 KB n=200000
124 Correct 306 ms 33124 KB n=25264