Submission #495898

# Submission time Handle Problem Language Result Execution time Memory
495898 2021-12-20T07:32:40 Z Ierus Birthday gift (IZhO18_treearray) C++17
56 / 100
4000 ms 35444 KB
#include<bits/stdc++.h>
/*
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
*/
using namespace std;
#pragma GCC optimize ("unroll-loops,Ofast,O3")
#pragma GCC target("avx,avx2,fma")
#define F first
#define S second
#define sz(x) (int)x.size()
#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define NFS 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 ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
typedef long long ll;
const int E = 1e6+777;
const long long inf = 1e18+777;
const int N = 2e5+77;
const int MOD = 1e9+7;
const int LG = 18;
int n, m, que, a[N], timer;
int tin[N], tout[N], up[N][LG+2];
vector<int> g[N];
void dfs(int v, int p){
	tin[v] = ++timer;
	up[v][0] = p;
	for(int i = 1; i <= LG; ++i){
		up[v][i] = up[up[v][i-1]][i-1];
	}
	for(int to : g[v]){
		if(to != p){
			dfs(to, v);	
		}
	}
	tout[v] = timer;
}
bool upper(int v, int u){
	return tin[v] <= tin[u] && tout[u] <= tout[v];
}
int lca(int v, int u){
	if(upper(v, u)) return v;
	if(upper(u, v)) return u;
	for(int i = LG; i >= 0; --i){
		if(!upper(up[v][i], u)){
			v = up[v][i];
		}
	}
	return up[v][0];
}
inline void update(int pos, int v){
	a[pos] = v;
}
inline pair<int,int> get(int L, int R, int v){
	for(int i = L; i <= R; ++i){
		if(i + 1 <= R && lca(a[i],a[i+1]) == v){
			return {i, i+1};
		}else if(a[i] == v){
			return {i, i};
		}
	}
	return {-1, -1};
}
int main(){NFS;
	cin >> n >> m >> que;
	for(int i = 1, u, v; i < n; ++i){
		cin >> u >> v;
		g[u].pb(v);
		g[v].pb(u);
	}
	dfs(1, 1);
	for(int i = 1; i <= m; ++i){
		cin >> a[i];
	}
	for(int type,l,r,v; que--;){
		cin >> type;
		if(type == 1){
			cin >> l >> v;
			update(l, v);
		}else{
			cin >> l >> r >> v;
			pair<int,int> res = get(l, r, v);
			cout << res.F << ' '  << res.S << '\n';
		}
	}
}











# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB n=5
2 Correct 3 ms 4940 KB n=100
3 Correct 3 ms 4940 KB n=100
4 Correct 3 ms 4940 KB n=100
5 Correct 3 ms 4940 KB n=100
6 Correct 3 ms 4940 KB n=100
7 Correct 3 ms 4940 KB n=100
8 Correct 4 ms 4940 KB n=100
9 Correct 4 ms 4940 KB n=100
10 Correct 4 ms 4940 KB n=100
11 Correct 3 ms 4940 KB n=100
12 Correct 3 ms 4940 KB n=100
13 Correct 3 ms 4940 KB n=100
14 Correct 2 ms 4940 KB n=100
15 Correct 3 ms 4940 KB n=100
16 Correct 3 ms 4940 KB n=100
17 Correct 3 ms 4940 KB n=100
18 Correct 3 ms 5068 KB n=100
19 Correct 3 ms 4940 KB n=100
20 Correct 3 ms 4940 KB n=100
21 Correct 3 ms 4940 KB n=100
22 Correct 3 ms 4940 KB n=100
23 Correct 3 ms 4940 KB n=100
24 Correct 3 ms 4940 KB n=100
25 Correct 3 ms 4940 KB n=100
26 Correct 2 ms 4940 KB n=12
27 Correct 3 ms 4940 KB n=100
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB n=5
2 Correct 3 ms 4940 KB n=100
3 Correct 3 ms 4940 KB n=100
4 Correct 3 ms 4940 KB n=100
5 Correct 3 ms 4940 KB n=100
6 Correct 3 ms 4940 KB n=100
7 Correct 3 ms 4940 KB n=100
8 Correct 4 ms 4940 KB n=100
9 Correct 4 ms 4940 KB n=100
10 Correct 4 ms 4940 KB n=100
11 Correct 3 ms 4940 KB n=100
12 Correct 3 ms 4940 KB n=100
13 Correct 3 ms 4940 KB n=100
14 Correct 2 ms 4940 KB n=100
15 Correct 3 ms 4940 KB n=100
16 Correct 3 ms 4940 KB n=100
17 Correct 3 ms 4940 KB n=100
18 Correct 3 ms 5068 KB n=100
19 Correct 3 ms 4940 KB n=100
20 Correct 3 ms 4940 KB n=100
21 Correct 3 ms 4940 KB n=100
22 Correct 3 ms 4940 KB n=100
23 Correct 3 ms 4940 KB n=100
24 Correct 3 ms 4940 KB n=100
25 Correct 3 ms 4940 KB n=100
26 Correct 2 ms 4940 KB n=12
27 Correct 3 ms 4940 KB n=100
28 Correct 4 ms 5068 KB n=500
29 Correct 4 ms 5068 KB n=500
30 Correct 4 ms 5068 KB n=500
31 Correct 4 ms 5068 KB n=500
32 Correct 4 ms 5068 KB n=500
33 Correct 6 ms 5104 KB n=500
34 Correct 4 ms 5068 KB n=500
35 Correct 3 ms 5068 KB n=500
36 Correct 19 ms 5068 KB n=500
37 Correct 16 ms 5068 KB n=500
38 Correct 17 ms 5092 KB n=500
39 Correct 13 ms 5100 KB n=500
40 Correct 10 ms 5068 KB n=500
41 Correct 10 ms 5096 KB n=500
42 Correct 11 ms 5100 KB n=500
43 Correct 11 ms 5096 KB n=500
44 Correct 11 ms 5096 KB n=500
45 Correct 3 ms 5068 KB n=500
46 Correct 3 ms 5068 KB n=500
47 Correct 4 ms 5068 KB n=500
48 Correct 3 ms 5068 KB n=500
49 Correct 3 ms 5068 KB n=500
50 Correct 7 ms 5068 KB n=500
51 Correct 5 ms 5068 KB n=500
52 Correct 3 ms 5068 KB n=500
53 Correct 5 ms 5068 KB n=500
54 Correct 4 ms 5068 KB n=500
55 Correct 3 ms 5068 KB n=278
56 Correct 4 ms 5068 KB n=500
57 Correct 4 ms 5068 KB n=500
58 Correct 17 ms 5068 KB n=500
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB n=5
2 Correct 3 ms 4940 KB n=100
3 Correct 3 ms 4940 KB n=100
4 Correct 3 ms 4940 KB n=100
5 Correct 3 ms 4940 KB n=100
6 Correct 3 ms 4940 KB n=100
7 Correct 3 ms 4940 KB n=100
8 Correct 4 ms 4940 KB n=100
9 Correct 4 ms 4940 KB n=100
10 Correct 4 ms 4940 KB n=100
11 Correct 3 ms 4940 KB n=100
12 Correct 3 ms 4940 KB n=100
13 Correct 3 ms 4940 KB n=100
14 Correct 2 ms 4940 KB n=100
15 Correct 3 ms 4940 KB n=100
16 Correct 3 ms 4940 KB n=100
17 Correct 3 ms 4940 KB n=100
18 Correct 3 ms 5068 KB n=100
19 Correct 3 ms 4940 KB n=100
20 Correct 3 ms 4940 KB n=100
21 Correct 3 ms 4940 KB n=100
22 Correct 3 ms 4940 KB n=100
23 Correct 3 ms 4940 KB n=100
24 Correct 3 ms 4940 KB n=100
25 Correct 3 ms 4940 KB n=100
26 Correct 2 ms 4940 KB n=12
27 Correct 3 ms 4940 KB n=100
28 Correct 4 ms 5068 KB n=500
29 Correct 4 ms 5068 KB n=500
30 Correct 4 ms 5068 KB n=500
31 Correct 4 ms 5068 KB n=500
32 Correct 4 ms 5068 KB n=500
33 Correct 6 ms 5104 KB n=500
34 Correct 4 ms 5068 KB n=500
35 Correct 3 ms 5068 KB n=500
36 Correct 19 ms 5068 KB n=500
37 Correct 16 ms 5068 KB n=500
38 Correct 17 ms 5092 KB n=500
39 Correct 13 ms 5100 KB n=500
40 Correct 10 ms 5068 KB n=500
41 Correct 10 ms 5096 KB n=500
42 Correct 11 ms 5100 KB n=500
43 Correct 11 ms 5096 KB n=500
44 Correct 11 ms 5096 KB n=500
45 Correct 3 ms 5068 KB n=500
46 Correct 3 ms 5068 KB n=500
47 Correct 4 ms 5068 KB n=500
48 Correct 3 ms 5068 KB n=500
49 Correct 3 ms 5068 KB n=500
50 Correct 7 ms 5068 KB n=500
51 Correct 5 ms 5068 KB n=500
52 Correct 3 ms 5068 KB n=500
53 Correct 5 ms 5068 KB n=500
54 Correct 4 ms 5068 KB n=500
55 Correct 3 ms 5068 KB n=278
56 Correct 4 ms 5068 KB n=500
57 Correct 4 ms 5068 KB n=500
58 Correct 17 ms 5068 KB n=500
59 Correct 5 ms 5196 KB n=2000
60 Correct 6 ms 5324 KB n=2000
61 Correct 17 ms 5324 KB n=2000
62 Correct 19 ms 5316 KB n=2000
63 Correct 4 ms 5196 KB n=2000
64 Correct 21 ms 5332 KB n=2000
65 Correct 4 ms 5196 KB n=2000
66 Correct 17 ms 5372 KB n=2000
67 Correct 8 ms 5284 KB n=2000
68 Correct 22 ms 5336 KB n=2000
69 Correct 243 ms 5404 KB n=2000
70 Correct 246 ms 5268 KB n=2000
71 Correct 251 ms 5264 KB n=2000
72 Correct 120 ms 5280 KB n=2000
73 Correct 121 ms 5268 KB n=2000
74 Correct 5 ms 5196 KB n=1844
75 Correct 146 ms 5280 KB n=2000
76 Correct 118 ms 5272 KB n=2000
77 Correct 123 ms 5264 KB n=2000
78 Correct 126 ms 5264 KB n=2000
79 Correct 5 ms 5288 KB n=2000
80 Correct 11 ms 5380 KB n=2000
81 Correct 18 ms 5332 KB n=2000
82 Correct 4 ms 5196 KB n=2000
83 Correct 13 ms 5368 KB n=2000
84 Correct 69 ms 5280 KB n=2000
85 Correct 40 ms 5196 KB n=2000
86 Correct 53 ms 5300 KB n=2000
87 Correct 75 ms 5284 KB n=2000
88 Correct 21 ms 5324 KB n=2000
89 Correct 18 ms 5404 KB n=2000
90 Correct 11 ms 5324 KB n=2000
91 Correct 181 ms 5268 KB n=2000
# Verdict Execution time Memory Grader output
1 Correct 3 ms 4940 KB n=5
2 Correct 3 ms 4940 KB n=100
3 Correct 3 ms 4940 KB n=100
4 Correct 3 ms 4940 KB n=100
5 Correct 3 ms 4940 KB n=100
6 Correct 3 ms 4940 KB n=100
7 Correct 3 ms 4940 KB n=100
8 Correct 4 ms 4940 KB n=100
9 Correct 4 ms 4940 KB n=100
10 Correct 4 ms 4940 KB n=100
11 Correct 3 ms 4940 KB n=100
12 Correct 3 ms 4940 KB n=100
13 Correct 3 ms 4940 KB n=100
14 Correct 2 ms 4940 KB n=100
15 Correct 3 ms 4940 KB n=100
16 Correct 3 ms 4940 KB n=100
17 Correct 3 ms 4940 KB n=100
18 Correct 3 ms 5068 KB n=100
19 Correct 3 ms 4940 KB n=100
20 Correct 3 ms 4940 KB n=100
21 Correct 3 ms 4940 KB n=100
22 Correct 3 ms 4940 KB n=100
23 Correct 3 ms 4940 KB n=100
24 Correct 3 ms 4940 KB n=100
25 Correct 3 ms 4940 KB n=100
26 Correct 2 ms 4940 KB n=12
27 Correct 3 ms 4940 KB n=100
28 Correct 4 ms 5068 KB n=500
29 Correct 4 ms 5068 KB n=500
30 Correct 4 ms 5068 KB n=500
31 Correct 4 ms 5068 KB n=500
32 Correct 4 ms 5068 KB n=500
33 Correct 6 ms 5104 KB n=500
34 Correct 4 ms 5068 KB n=500
35 Correct 3 ms 5068 KB n=500
36 Correct 19 ms 5068 KB n=500
37 Correct 16 ms 5068 KB n=500
38 Correct 17 ms 5092 KB n=500
39 Correct 13 ms 5100 KB n=500
40 Correct 10 ms 5068 KB n=500
41 Correct 10 ms 5096 KB n=500
42 Correct 11 ms 5100 KB n=500
43 Correct 11 ms 5096 KB n=500
44 Correct 11 ms 5096 KB n=500
45 Correct 3 ms 5068 KB n=500
46 Correct 3 ms 5068 KB n=500
47 Correct 4 ms 5068 KB n=500
48 Correct 3 ms 5068 KB n=500
49 Correct 3 ms 5068 KB n=500
50 Correct 7 ms 5068 KB n=500
51 Correct 5 ms 5068 KB n=500
52 Correct 3 ms 5068 KB n=500
53 Correct 5 ms 5068 KB n=500
54 Correct 4 ms 5068 KB n=500
55 Correct 3 ms 5068 KB n=278
56 Correct 4 ms 5068 KB n=500
57 Correct 4 ms 5068 KB n=500
58 Correct 17 ms 5068 KB n=500
59 Correct 5 ms 5196 KB n=2000
60 Correct 6 ms 5324 KB n=2000
61 Correct 17 ms 5324 KB n=2000
62 Correct 19 ms 5316 KB n=2000
63 Correct 4 ms 5196 KB n=2000
64 Correct 21 ms 5332 KB n=2000
65 Correct 4 ms 5196 KB n=2000
66 Correct 17 ms 5372 KB n=2000
67 Correct 8 ms 5284 KB n=2000
68 Correct 22 ms 5336 KB n=2000
69 Correct 243 ms 5404 KB n=2000
70 Correct 246 ms 5268 KB n=2000
71 Correct 251 ms 5264 KB n=2000
72 Correct 120 ms 5280 KB n=2000
73 Correct 121 ms 5268 KB n=2000
74 Correct 5 ms 5196 KB n=1844
75 Correct 146 ms 5280 KB n=2000
76 Correct 118 ms 5272 KB n=2000
77 Correct 123 ms 5264 KB n=2000
78 Correct 126 ms 5264 KB n=2000
79 Correct 5 ms 5288 KB n=2000
80 Correct 11 ms 5380 KB n=2000
81 Correct 18 ms 5332 KB n=2000
82 Correct 4 ms 5196 KB n=2000
83 Correct 13 ms 5368 KB n=2000
84 Correct 69 ms 5280 KB n=2000
85 Correct 40 ms 5196 KB n=2000
86 Correct 53 ms 5300 KB n=2000
87 Correct 75 ms 5284 KB n=2000
88 Correct 21 ms 5324 KB n=2000
89 Correct 18 ms 5404 KB n=2000
90 Correct 11 ms 5324 KB n=2000
91 Correct 181 ms 5268 KB n=2000
92 Correct 761 ms 31244 KB n=200000
93 Execution timed out 4062 ms 35444 KB Time limit exceeded
94 Halted 0 ms 0 KB -