oj.uz

Submission #501507

# Submission time Handle Problem Language Result Execution time Memory
501507 2022-01-03T14:31:50 Z tmn2005 Birthday gift (IZhO18_treearray) C++17
100 / 100
 1373 ms 212392 KB 
#include<bits/stdc++.h>
using namespace std;


#define ar array
#define fr first
#define sc second

#define vec vector
#define ret return

#define ins insert
#define mk make_pair
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front

#define int long long

#define pii pair<int,int>

#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()

#define NeedForSpeed ios::sync_with_stdio(0),cin.tie(0);
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N=1e6+12,INF=1e9,mod = 1e9+7;
bool iswowel(char n){ n = toupper(n); if(n == 'A' || n == 'O' || n == 'U' || n == 'E' || n == 'I') return true; else return false;}
int n,m,k,x,y,l,ll,r,o,ans,res,timer,ok,mx,mn = INF;
int a[N], tin[N], tout[N];
vec<int>g[N];
int up[N][30];
set<int>s[N], ss[N];

void dfs(int v, int pred){
	tin[v] = ++timer;
	up[v][0] = pred;
	for(int i=1; i<=22; i++)
		up[v][i] = up[up[v][i-1]][i-1];
	for(int to : g[v]){
		if(to != pred){
			dfs(to, v);
		}
	}
	tout[v] = ++timer;
}
bool upper(int a, int b){
	ret tin[a] <= tin[b] && tout[b] <= tout[a];
}
int lca(int a, int b){
	if(upper(a, b))ret a;
	if(upper(b, a))ret b;
	for(int i=22; i>=0; i--){
		if(!upper(up[a][i], b))
			a = up[a][i];
	}
	ret up[a][0];
}

map<int, int>mp;

main(){
	NeedForSpeed
    cin>>m>>n>>o;
    m--;
    while(m--){
    	cin>>x>>y;
    	g[x].pb(y);
    	g[y].pb(x);
	}
	dfs(1,1);
	
	for(int i=1; i<=n; i++){
		cin>>a[i];
		ss[a[i]].ins(i);
	}
	for(int i=1; i<=n; i++)
		s[lca(a[i], a[i+1])].ins(i);
	
	while(o--){
		cin>>ok;
		if(ok == 1){
			cin>>l>>r;
			
			ss[a[l]].erase(l);
			s[lca(a[l], a[l+1])].erase(l);
			s[lca(a[l-1], a[l])].erase(l-1);
			
			a[l] = r;
			ss[a[l]].ins(l);
			if(l < n)s[lca(a[l], a[l+1])].ins(l);
			if(1 < l)s[lca(a[l-1], a[l])].ins(l-1);
		}
		else{
			ans = -1, res = -1;
			cin>>l>>r>>x;
			auto it = ss[x].lower_bound(l);
			if(it != ss[x].end() && *it <= r)ans = *it, res = *it;
			it = s[x].lower_bound(l);
			if(it != s[x].end() && *it < r)ans = *it, res = *it+1;
			
			cout<<ans<<" "<<res<<endl;
		}
	}



	return 0;
}

Compilation message

treearray.cpp:63:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   63 | main(){
      | ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 117620 KB n=5
2 Correct 56 ms 117760 KB n=100
3 Correct 56 ms 117700 KB n=100
4 Correct 55 ms 117680 KB n=100
5 Correct 67 ms 117684 KB n=100
6 Correct 61 ms 117736 KB n=100
7 Correct 59 ms 117700 KB n=100
8 Correct 57 ms 117700 KB n=100
9 Correct 56 ms 117700 KB n=100
10 Correct 60 ms 117688 KB n=100
11 Correct 58 ms 117700 KB n=100
12 Correct 56 ms 117656 KB n=100
13 Correct 58 ms 117748 KB n=100
14 Correct 61 ms 117696 KB n=100
15 Correct 56 ms 117772 KB n=100
16 Correct 57 ms 117712 KB n=100
17 Correct 55 ms 117776 KB n=100
18 Correct 55 ms 117688 KB n=100
19 Correct 73 ms 117696 KB n=100
20 Correct 57 ms 117752 KB n=100
21 Correct 59 ms 117700 KB n=100
22 Correct 54 ms 117700 KB n=100
23 Correct 55 ms 117656 KB n=100
24 Correct 63 ms 117692 KB n=100
25 Correct 70 ms 117780 KB n=100
26 Correct 59 ms 117724 KB n=12
27 Correct 58 ms 117708 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 117620 KB n=5
2 Correct 56 ms 117760 KB n=100
3 Correct 56 ms 117700 KB n=100
4 Correct 55 ms 117680 KB n=100
5 Correct 67 ms 117684 KB n=100
6 Correct 61 ms 117736 KB n=100
7 Correct 59 ms 117700 KB n=100
8 Correct 57 ms 117700 KB n=100
9 Correct 56 ms 117700 KB n=100
10 Correct 60 ms 117688 KB n=100
11 Correct 58 ms 117700 KB n=100
12 Correct 56 ms 117656 KB n=100
13 Correct 58 ms 117748 KB n=100
14 Correct 61 ms 117696 KB n=100
15 Correct 56 ms 117772 KB n=100
16 Correct 57 ms 117712 KB n=100
17 Correct 55 ms 117776 KB n=100
18 Correct 55 ms 117688 KB n=100
19 Correct 73 ms 117696 KB n=100
20 Correct 57 ms 117752 KB n=100
21 Correct 59 ms 117700 KB n=100
22 Correct 54 ms 117700 KB n=100
23 Correct 55 ms 117656 KB n=100
24 Correct 63 ms 117692 KB n=100
25 Correct 70 ms 117780 KB n=100
26 Correct 59 ms 117724 KB n=12
27 Correct 58 ms 117708 KB n=100
28 Correct 57 ms 117888 KB n=500
29 Correct 64 ms 117948 KB n=500
30 Correct 69 ms 117840 KB n=500
31 Correct 58 ms 117956 KB n=500
32 Correct 55 ms 117828 KB n=500
33 Correct 55 ms 117844 KB n=500
34 Correct 57 ms 117840 KB n=500
35 Correct 56 ms 117932 KB n=500
36 Correct 71 ms 117880 KB n=500
37 Correct 64 ms 117924 KB n=500
38 Correct 55 ms 117964 KB n=500
39 Correct 56 ms 117964 KB n=500
40 Correct 56 ms 117856 KB n=500
41 Correct 55 ms 117900 KB n=500
42 Correct 59 ms 117880 KB n=500
43 Correct 56 ms 117912 KB n=500
44 Correct 70 ms 117872 KB n=500
45 Correct 55 ms 117932 KB n=500
46 Correct 55 ms 117956 KB n=500
47 Correct 55 ms 117896 KB n=500
48 Correct 56 ms 117956 KB n=500
49 Correct 78 ms 117964 KB n=500
50 Correct 62 ms 117828 KB n=500
51 Correct 63 ms 117956 KB n=500
52 Correct 55 ms 117976 KB n=500
53 Correct 57 ms 117920 KB n=500
54 Correct 66 ms 117956 KB n=500
55 Correct 66 ms 117828 KB n=278
56 Correct 56 ms 117880 KB n=500
57 Correct 55 ms 117956 KB n=500
58 Correct 54 ms 117860 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 117620 KB n=5
2 Correct 56 ms 117760 KB n=100
3 Correct 56 ms 117700 KB n=100
4 Correct 55 ms 117680 KB n=100
5 Correct 67 ms 117684 KB n=100
6 Correct 61 ms 117736 KB n=100
7 Correct 59 ms 117700 KB n=100
8 Correct 57 ms 117700 KB n=100
9 Correct 56 ms 117700 KB n=100
10 Correct 60 ms 117688 KB n=100
11 Correct 58 ms 117700 KB n=100
12 Correct 56 ms 117656 KB n=100
13 Correct 58 ms 117748 KB n=100
14 Correct 61 ms 117696 KB n=100
15 Correct 56 ms 117772 KB n=100
16 Correct 57 ms 117712 KB n=100
17 Correct 55 ms 117776 KB n=100
18 Correct 55 ms 117688 KB n=100
19 Correct 73 ms 117696 KB n=100
20 Correct 57 ms 117752 KB n=100
21 Correct 59 ms 117700 KB n=100
22 Correct 54 ms 117700 KB n=100
23 Correct 55 ms 117656 KB n=100
24 Correct 63 ms 117692 KB n=100
25 Correct 70 ms 117780 KB n=100
26 Correct 59 ms 117724 KB n=12
27 Correct 58 ms 117708 KB n=100
28 Correct 57 ms 117888 KB n=500
29 Correct 64 ms 117948 KB n=500
30 Correct 69 ms 117840 KB n=500
31 Correct 58 ms 117956 KB n=500
32 Correct 55 ms 117828 KB n=500
33 Correct 55 ms 117844 KB n=500
34 Correct 57 ms 117840 KB n=500
35 Correct 56 ms 117932 KB n=500
36 Correct 71 ms 117880 KB n=500
37 Correct 64 ms 117924 KB n=500
38 Correct 55 ms 117964 KB n=500
39 Correct 56 ms 117964 KB n=500
40 Correct 56 ms 117856 KB n=500
41 Correct 55 ms 117900 KB n=500
42 Correct 59 ms 117880 KB n=500
43 Correct 56 ms 117912 KB n=500
44 Correct 70 ms 117872 KB n=500
45 Correct 55 ms 117932 KB n=500
46 Correct 55 ms 117956 KB n=500
47 Correct 55 ms 117896 KB n=500
48 Correct 56 ms 117956 KB n=500
49 Correct 78 ms 117964 KB n=500
50 Correct 62 ms 117828 KB n=500
51 Correct 63 ms 117956 KB n=500
52 Correct 55 ms 117976 KB n=500
53 Correct 57 ms 117920 KB n=500
54 Correct 66 ms 117956 KB n=500
55 Correct 66 ms 117828 KB n=278
56 Correct 56 ms 117880 KB n=500
57 Correct 55 ms 117956 KB n=500
58 Correct 54 ms 117860 KB n=500
59 Correct 58 ms 118552 KB n=2000
60 Correct 61 ms 118636 KB n=2000
61 Correct 60 ms 118504 KB n=2000
62 Correct 59 ms 118548 KB n=2000
63 Correct 62 ms 118540 KB n=2000
64 Correct 70 ms 118544 KB n=2000
65 Correct 60 ms 118468 KB n=2000
66 Correct 64 ms 118716 KB n=2000
67 Correct 61 ms 118520 KB n=2000
68 Correct 68 ms 118588 KB n=2000
69 Correct 60 ms 118516 KB n=2000
70 Correct 62 ms 118504 KB n=2000
71 Correct 59 ms 118596 KB n=2000
72 Correct 59 ms 118560 KB n=2000
73 Correct 72 ms 118584 KB n=2000
74 Correct 60 ms 118464 KB n=1844
75 Correct 62 ms 118508 KB n=2000
76 Correct 64 ms 118584 KB n=2000
77 Correct 72 ms 118528 KB n=2000
78 Correct 66 ms 118528 KB n=2000
79 Correct 59 ms 118464 KB n=2000
80 Correct 59 ms 118596 KB n=2000
81 Correct 59 ms 118504 KB n=2000
82 Correct 66 ms 118596 KB n=2000
83 Correct 59 ms 118600 KB n=2000
84 Correct 59 ms 118492 KB n=2000
85 Correct 62 ms 118504 KB n=2000
86 Correct 61 ms 118596 KB n=2000
87 Correct 70 ms 118472 KB n=2000
88 Correct 61 ms 118896 KB n=2000
89 Correct 59 ms 118540 KB n=2000
90 Correct 57 ms 118596 KB n=2000
91 Correct 60 ms 118480 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 117620 KB n=5
2 Correct 56 ms 117760 KB n=100
3 Correct 56 ms 117700 KB n=100
4 Correct 55 ms 117680 KB n=100
5 Correct 67 ms 117684 KB n=100
6 Correct 61 ms 117736 KB n=100
7 Correct 59 ms 117700 KB n=100
8 Correct 57 ms 117700 KB n=100
9 Correct 56 ms 117700 KB n=100
10 Correct 60 ms 117688 KB n=100
11 Correct 58 ms 117700 KB n=100
12 Correct 56 ms 117656 KB n=100
13 Correct 58 ms 117748 KB n=100
14 Correct 61 ms 117696 KB n=100
15 Correct 56 ms 117772 KB n=100
16 Correct 57 ms 117712 KB n=100
17 Correct 55 ms 117776 KB n=100
18 Correct 55 ms 117688 KB n=100
19 Correct 73 ms 117696 KB n=100
20 Correct 57 ms 117752 KB n=100
21 Correct 59 ms 117700 KB n=100
22 Correct 54 ms 117700 KB n=100
23 Correct 55 ms 117656 KB n=100
24 Correct 63 ms 117692 KB n=100
25 Correct 70 ms 117780 KB n=100
26 Correct 59 ms 117724 KB n=12
27 Correct 58 ms 117708 KB n=100
28 Correct 57 ms 117888 KB n=500
29 Correct 64 ms 117948 KB n=500
30 Correct 69 ms 117840 KB n=500
31 Correct 58 ms 117956 KB n=500
32 Correct 55 ms 117828 KB n=500
33 Correct 55 ms 117844 KB n=500
34 Correct 57 ms 117840 KB n=500
35 Correct 56 ms 117932 KB n=500
36 Correct 71 ms 117880 KB n=500
37 Correct 64 ms 117924 KB n=500
38 Correct 55 ms 117964 KB n=500
39 Correct 56 ms 117964 KB n=500
40 Correct 56 ms 117856 KB n=500
41 Correct 55 ms 117900 KB n=500
42 Correct 59 ms 117880 KB n=500
43 Correct 56 ms 117912 KB n=500
44 Correct 70 ms 117872 KB n=500
45 Correct 55 ms 117932 KB n=500
46 Correct 55 ms 117956 KB n=500
47 Correct 55 ms 117896 KB n=500
48 Correct 56 ms 117956 KB n=500
49 Correct 78 ms 117964 KB n=500
50 Correct 62 ms 117828 KB n=500
51 Correct 63 ms 117956 KB n=500
52 Correct 55 ms 117976 KB n=500
53 Correct 57 ms 117920 KB n=500
54 Correct 66 ms 117956 KB n=500
55 Correct 66 ms 117828 KB n=278
56 Correct 56 ms 117880 KB n=500
57 Correct 55 ms 117956 KB n=500
58 Correct 54 ms 117860 KB n=500
59 Correct 58 ms 118552 KB n=2000
60 Correct 61 ms 118636 KB n=2000
61 Correct 60 ms 118504 KB n=2000
62 Correct 59 ms 118548 KB n=2000
63 Correct 62 ms 118540 KB n=2000
64 Correct 70 ms 118544 KB n=2000
65 Correct 60 ms 118468 KB n=2000
66 Correct 64 ms 118716 KB n=2000
67 Correct 61 ms 118520 KB n=2000
68 Correct 68 ms 118588 KB n=2000
69 Correct 60 ms 118516 KB n=2000
70 Correct 62 ms 118504 KB n=2000
71 Correct 59 ms 118596 KB n=2000
72 Correct 59 ms 118560 KB n=2000
73 Correct 72 ms 118584 KB n=2000
74 Correct 60 ms 118464 KB n=1844
75 Correct 62 ms 118508 KB n=2000
76 Correct 64 ms 118584 KB n=2000
77 Correct 72 ms 118528 KB n=2000
78 Correct 66 ms 118528 KB n=2000
79 Correct 59 ms 118464 KB n=2000
80 Correct 59 ms 118596 KB n=2000
81 Correct 59 ms 118504 KB n=2000
82 Correct 66 ms 118596 KB n=2000
83 Correct 59 ms 118600 KB n=2000
84 Correct 59 ms 118492 KB n=2000
85 Correct 62 ms 118504 KB n=2000
86 Correct 61 ms 118596 KB n=2000
87 Correct 70 ms 118472 KB n=2000
88 Correct 61 ms 118896 KB n=2000
89 Correct 59 ms 118540 KB n=2000
90 Correct 57 ms 118596 KB n=2000
91 Correct 60 ms 118480 KB n=2000
92 Correct 957 ms 203692 KB n=200000
93 Correct 1068 ms 208552 KB n=200000
94 Correct 788 ms 211672 KB n=200000
95 Correct 878 ms 203428 KB n=200000
96 Correct 915 ms 203484 KB n=200000
97 Correct 1144 ms 207728 KB n=200000
98 Correct 930 ms 203416 KB n=200000
99 Correct 1051 ms 203848 KB n=200000
100 Correct 904 ms 203704 KB n=200000
101 Correct 706 ms 212392 KB n=200000
102 Correct 679 ms 204912 KB n=200000
103 Correct 687 ms 204896 KB n=200000
104 Correct 734 ms 204924 KB n=200000
105 Correct 706 ms 205368 KB n=200000
106 Correct 719 ms 205356 KB n=200000
107 Correct 720 ms 205292 KB n=200000
108 Correct 1050 ms 203800 KB n=200000
109 Correct 1014 ms 203748 KB n=200000
110 Correct 986 ms 203792 KB n=200000
111 Correct 921 ms 203040 KB n=200000
112 Correct 742 ms 211652 KB n=200000
113 Correct 1161 ms 207588 KB n=200000
114 Correct 920 ms 203128 KB n=200000
115 Correct 1373 ms 205676 KB n=200000
116 Correct 930 ms 203696 KB n=200000
117 Correct 751 ms 211952 KB n=200000
118 Correct 1232 ms 206616 KB n=200000
119 Correct 918 ms 203760 KB n=200000
120 Correct 695 ms 211308 KB n=200000
121 Correct 675 ms 211392 KB n=200000
122 Correct 679 ms 211792 KB n=200000
123 Correct 765 ms 205092 KB n=200000
124 Correct 249 ms 137292 KB n=25264