#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 400
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf= 4e18;
const ld pai=acos(-1);
int n , m , q;
vi v[200009];
int w[200009] , dp[200009][20] , a[200009];
set<int>s[200009],t[200009];
void dfs(int node,int p){
dp[node][0]=p;
w[node]=w[p]+1;
for ( auto u : v[node]){
if ( u == p ) C ;
dfs ( u, node ) ;
}
}
void build () {
dfs ( 0,0 );
for ( int j =1 ;j < 20 ;j ++ ) {
for ( int i =0 ;i < n ;i ++ ) {
dp[i][j] = dp[dp[i][j-1]][j-1];
}
}
}
int lca(int a,int b ){
if ( w[a] < w[b] ) swap ( a , b );
int l = w[a] - w[b];
for ( int i =0 ;i <20 ;i ++ ){
if ( ( l & ( 1<<i ) ) ) a= dp[a][i];
}
if ( a == b ) return a ;
for ( int i = 19 ; i>=0 ;i -- ){
if ( dp[a][i] != dp[b][i] ) {
a=dp[a][i];
b=dp[b][i];
}
}
return dp[a][0];
}
int main (){
fast;
cin >> n >> m >> q ;
for ( int i =0 ;i < n-1 ;i ++ ) {
int a,b;
cin >> a >> b ;
a -- , b -- ;
v[a].pb ( b );
v[b].pb ( a );
}
build();
for ( int i =0 ;i < m ;i ++ ) {
cin >> a[i];
a[i] -- ;
s[a[i]].ins ( i ) ;
if ( i ) {
t[lca(a[i],a[i-1])].ins(i);
}
}
while ( q -- ) {
int ty ;
cin >> ty ;
if ( ty == 1 ){
int pos , id ;
cin >> pos >> id ;
pos -- , id -- ;
s [ a[pos] ] .era(pos);
s [ id ] .ins(pos);
if ( pos ) t[lca(a[pos],a[pos-1])].era(pos);
if ( pos<m-1) t[lca(a[pos],a[pos+1])].era(pos+1);
a[pos]=id;
if ( pos ) t[lca(a[pos],a[pos-1])].ins(pos);
if ( pos<m-1) t[lca(a[pos],a[pos+1])].ins(pos+1);
}
if ( ty == 2 ){
int l ,r , node;
cin >> l >> r >> node;
l -- ,r -- , node -- ;
auto it = s[node].lb(l);
if ( it != s[node].end() && *it<=r) {
cout << *it+1 <<" " << *it+1 << endl;
C;
}
it = t[node].ub(l);
if ( it !=t[node].end() && *it<=r ) {
cout << *it <<" "<<*it+1<<endl;
C;
}
cout << -1 <<" "<< -1 << endl;
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23808 KB |
n=5 |
2 |
Correct |
17 ms |
23808 KB |
n=100 |
3 |
Correct |
18 ms |
23936 KB |
n=100 |
4 |
Correct |
17 ms |
23936 KB |
n=100 |
5 |
Correct |
18 ms |
23808 KB |
n=100 |
6 |
Correct |
17 ms |
23808 KB |
n=100 |
7 |
Correct |
18 ms |
23808 KB |
n=100 |
8 |
Correct |
17 ms |
23808 KB |
n=100 |
9 |
Correct |
17 ms |
23808 KB |
n=100 |
10 |
Correct |
18 ms |
23808 KB |
n=100 |
11 |
Correct |
18 ms |
23808 KB |
n=100 |
12 |
Correct |
19 ms |
23808 KB |
n=100 |
13 |
Correct |
18 ms |
23808 KB |
n=100 |
14 |
Correct |
18 ms |
23808 KB |
n=100 |
15 |
Correct |
18 ms |
23808 KB |
n=100 |
16 |
Correct |
18 ms |
23936 KB |
n=100 |
17 |
Correct |
17 ms |
23808 KB |
n=100 |
18 |
Correct |
17 ms |
23808 KB |
n=100 |
19 |
Correct |
18 ms |
23936 KB |
n=100 |
20 |
Correct |
17 ms |
23808 KB |
n=100 |
21 |
Correct |
18 ms |
23808 KB |
n=100 |
22 |
Correct |
18 ms |
23808 KB |
n=100 |
23 |
Correct |
18 ms |
23808 KB |
n=100 |
24 |
Correct |
19 ms |
23808 KB |
n=100 |
25 |
Correct |
17 ms |
23936 KB |
n=100 |
26 |
Correct |
19 ms |
23808 KB |
n=12 |
27 |
Correct |
17 ms |
23808 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23808 KB |
n=5 |
2 |
Correct |
17 ms |
23808 KB |
n=100 |
3 |
Correct |
18 ms |
23936 KB |
n=100 |
4 |
Correct |
17 ms |
23936 KB |
n=100 |
5 |
Correct |
18 ms |
23808 KB |
n=100 |
6 |
Correct |
17 ms |
23808 KB |
n=100 |
7 |
Correct |
18 ms |
23808 KB |
n=100 |
8 |
Correct |
17 ms |
23808 KB |
n=100 |
9 |
Correct |
17 ms |
23808 KB |
n=100 |
10 |
Correct |
18 ms |
23808 KB |
n=100 |
11 |
Correct |
18 ms |
23808 KB |
n=100 |
12 |
Correct |
19 ms |
23808 KB |
n=100 |
13 |
Correct |
18 ms |
23808 KB |
n=100 |
14 |
Correct |
18 ms |
23808 KB |
n=100 |
15 |
Correct |
18 ms |
23808 KB |
n=100 |
16 |
Correct |
18 ms |
23936 KB |
n=100 |
17 |
Correct |
17 ms |
23808 KB |
n=100 |
18 |
Correct |
17 ms |
23808 KB |
n=100 |
19 |
Correct |
18 ms |
23936 KB |
n=100 |
20 |
Correct |
17 ms |
23808 KB |
n=100 |
21 |
Correct |
18 ms |
23808 KB |
n=100 |
22 |
Correct |
18 ms |
23808 KB |
n=100 |
23 |
Correct |
18 ms |
23808 KB |
n=100 |
24 |
Correct |
19 ms |
23808 KB |
n=100 |
25 |
Correct |
17 ms |
23936 KB |
n=100 |
26 |
Correct |
19 ms |
23808 KB |
n=12 |
27 |
Correct |
17 ms |
23808 KB |
n=100 |
28 |
Correct |
19 ms |
23936 KB |
n=500 |
29 |
Correct |
21 ms |
23936 KB |
n=500 |
30 |
Correct |
19 ms |
23936 KB |
n=500 |
31 |
Correct |
19 ms |
23936 KB |
n=500 |
32 |
Correct |
19 ms |
23936 KB |
n=500 |
33 |
Correct |
18 ms |
23936 KB |
n=500 |
34 |
Correct |
19 ms |
23936 KB |
n=500 |
35 |
Correct |
19 ms |
23936 KB |
n=500 |
36 |
Correct |
19 ms |
23936 KB |
n=500 |
37 |
Correct |
21 ms |
23936 KB |
n=500 |
38 |
Correct |
19 ms |
23936 KB |
n=500 |
39 |
Correct |
19 ms |
23936 KB |
n=500 |
40 |
Correct |
19 ms |
23936 KB |
n=500 |
41 |
Correct |
19 ms |
23936 KB |
n=500 |
42 |
Correct |
18 ms |
23936 KB |
n=500 |
43 |
Correct |
18 ms |
23936 KB |
n=500 |
44 |
Correct |
19 ms |
23936 KB |
n=500 |
45 |
Correct |
19 ms |
23936 KB |
n=500 |
46 |
Correct |
19 ms |
24064 KB |
n=500 |
47 |
Correct |
19 ms |
23936 KB |
n=500 |
48 |
Correct |
18 ms |
23936 KB |
n=500 |
49 |
Correct |
21 ms |
23936 KB |
n=500 |
50 |
Correct |
19 ms |
23936 KB |
n=500 |
51 |
Correct |
19 ms |
23936 KB |
n=500 |
52 |
Correct |
19 ms |
23936 KB |
n=500 |
53 |
Correct |
19 ms |
23936 KB |
n=500 |
54 |
Correct |
19 ms |
23936 KB |
n=500 |
55 |
Correct |
18 ms |
23936 KB |
n=278 |
56 |
Correct |
19 ms |
24064 KB |
n=500 |
57 |
Correct |
19 ms |
23936 KB |
n=500 |
58 |
Correct |
19 ms |
23936 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23808 KB |
n=5 |
2 |
Correct |
17 ms |
23808 KB |
n=100 |
3 |
Correct |
18 ms |
23936 KB |
n=100 |
4 |
Correct |
17 ms |
23936 KB |
n=100 |
5 |
Correct |
18 ms |
23808 KB |
n=100 |
6 |
Correct |
17 ms |
23808 KB |
n=100 |
7 |
Correct |
18 ms |
23808 KB |
n=100 |
8 |
Correct |
17 ms |
23808 KB |
n=100 |
9 |
Correct |
17 ms |
23808 KB |
n=100 |
10 |
Correct |
18 ms |
23808 KB |
n=100 |
11 |
Correct |
18 ms |
23808 KB |
n=100 |
12 |
Correct |
19 ms |
23808 KB |
n=100 |
13 |
Correct |
18 ms |
23808 KB |
n=100 |
14 |
Correct |
18 ms |
23808 KB |
n=100 |
15 |
Correct |
18 ms |
23808 KB |
n=100 |
16 |
Correct |
18 ms |
23936 KB |
n=100 |
17 |
Correct |
17 ms |
23808 KB |
n=100 |
18 |
Correct |
17 ms |
23808 KB |
n=100 |
19 |
Correct |
18 ms |
23936 KB |
n=100 |
20 |
Correct |
17 ms |
23808 KB |
n=100 |
21 |
Correct |
18 ms |
23808 KB |
n=100 |
22 |
Correct |
18 ms |
23808 KB |
n=100 |
23 |
Correct |
18 ms |
23808 KB |
n=100 |
24 |
Correct |
19 ms |
23808 KB |
n=100 |
25 |
Correct |
17 ms |
23936 KB |
n=100 |
26 |
Correct |
19 ms |
23808 KB |
n=12 |
27 |
Correct |
17 ms |
23808 KB |
n=100 |
28 |
Correct |
19 ms |
23936 KB |
n=500 |
29 |
Correct |
21 ms |
23936 KB |
n=500 |
30 |
Correct |
19 ms |
23936 KB |
n=500 |
31 |
Correct |
19 ms |
23936 KB |
n=500 |
32 |
Correct |
19 ms |
23936 KB |
n=500 |
33 |
Correct |
18 ms |
23936 KB |
n=500 |
34 |
Correct |
19 ms |
23936 KB |
n=500 |
35 |
Correct |
19 ms |
23936 KB |
n=500 |
36 |
Correct |
19 ms |
23936 KB |
n=500 |
37 |
Correct |
21 ms |
23936 KB |
n=500 |
38 |
Correct |
19 ms |
23936 KB |
n=500 |
39 |
Correct |
19 ms |
23936 KB |
n=500 |
40 |
Correct |
19 ms |
23936 KB |
n=500 |
41 |
Correct |
19 ms |
23936 KB |
n=500 |
42 |
Correct |
18 ms |
23936 KB |
n=500 |
43 |
Correct |
18 ms |
23936 KB |
n=500 |
44 |
Correct |
19 ms |
23936 KB |
n=500 |
45 |
Correct |
19 ms |
23936 KB |
n=500 |
46 |
Correct |
19 ms |
24064 KB |
n=500 |
47 |
Correct |
19 ms |
23936 KB |
n=500 |
48 |
Correct |
18 ms |
23936 KB |
n=500 |
49 |
Correct |
21 ms |
23936 KB |
n=500 |
50 |
Correct |
19 ms |
23936 KB |
n=500 |
51 |
Correct |
19 ms |
23936 KB |
n=500 |
52 |
Correct |
19 ms |
23936 KB |
n=500 |
53 |
Correct |
19 ms |
23936 KB |
n=500 |
54 |
Correct |
19 ms |
23936 KB |
n=500 |
55 |
Correct |
18 ms |
23936 KB |
n=278 |
56 |
Correct |
19 ms |
24064 KB |
n=500 |
57 |
Correct |
19 ms |
23936 KB |
n=500 |
58 |
Correct |
19 ms |
23936 KB |
n=500 |
59 |
Correct |
24 ms |
24320 KB |
n=2000 |
60 |
Correct |
23 ms |
24456 KB |
n=2000 |
61 |
Correct |
23 ms |
24448 KB |
n=2000 |
62 |
Correct |
24 ms |
24320 KB |
n=2000 |
63 |
Correct |
23 ms |
24320 KB |
n=2000 |
64 |
Correct |
23 ms |
24320 KB |
n=2000 |
65 |
Correct |
23 ms |
24320 KB |
n=2000 |
66 |
Correct |
23 ms |
24448 KB |
n=2000 |
67 |
Correct |
23 ms |
24320 KB |
n=2000 |
68 |
Correct |
24 ms |
24320 KB |
n=2000 |
69 |
Correct |
24 ms |
24320 KB |
n=2000 |
70 |
Correct |
24 ms |
24320 KB |
n=2000 |
71 |
Correct |
23 ms |
24320 KB |
n=2000 |
72 |
Correct |
24 ms |
24320 KB |
n=2000 |
73 |
Correct |
23 ms |
24320 KB |
n=2000 |
74 |
Correct |
22 ms |
24320 KB |
n=1844 |
75 |
Correct |
24 ms |
24320 KB |
n=2000 |
76 |
Correct |
23 ms |
24320 KB |
n=2000 |
77 |
Correct |
24 ms |
24320 KB |
n=2000 |
78 |
Correct |
23 ms |
24320 KB |
n=2000 |
79 |
Correct |
23 ms |
24320 KB |
n=2000 |
80 |
Correct |
23 ms |
24448 KB |
n=2000 |
81 |
Correct |
23 ms |
24448 KB |
n=2000 |
82 |
Correct |
23 ms |
24192 KB |
n=2000 |
83 |
Correct |
23 ms |
24440 KB |
n=2000 |
84 |
Correct |
23 ms |
24312 KB |
n=2000 |
85 |
Correct |
23 ms |
24320 KB |
n=2000 |
86 |
Correct |
23 ms |
24320 KB |
n=2000 |
87 |
Correct |
23 ms |
24320 KB |
n=2000 |
88 |
Correct |
22 ms |
24448 KB |
n=2000 |
89 |
Correct |
24 ms |
24448 KB |
n=2000 |
90 |
Correct |
22 ms |
24448 KB |
n=2000 |
91 |
Correct |
24 ms |
24320 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23808 KB |
n=5 |
2 |
Correct |
17 ms |
23808 KB |
n=100 |
3 |
Correct |
18 ms |
23936 KB |
n=100 |
4 |
Correct |
17 ms |
23936 KB |
n=100 |
5 |
Correct |
18 ms |
23808 KB |
n=100 |
6 |
Correct |
17 ms |
23808 KB |
n=100 |
7 |
Correct |
18 ms |
23808 KB |
n=100 |
8 |
Correct |
17 ms |
23808 KB |
n=100 |
9 |
Correct |
17 ms |
23808 KB |
n=100 |
10 |
Correct |
18 ms |
23808 KB |
n=100 |
11 |
Correct |
18 ms |
23808 KB |
n=100 |
12 |
Correct |
19 ms |
23808 KB |
n=100 |
13 |
Correct |
18 ms |
23808 KB |
n=100 |
14 |
Correct |
18 ms |
23808 KB |
n=100 |
15 |
Correct |
18 ms |
23808 KB |
n=100 |
16 |
Correct |
18 ms |
23936 KB |
n=100 |
17 |
Correct |
17 ms |
23808 KB |
n=100 |
18 |
Correct |
17 ms |
23808 KB |
n=100 |
19 |
Correct |
18 ms |
23936 KB |
n=100 |
20 |
Correct |
17 ms |
23808 KB |
n=100 |
21 |
Correct |
18 ms |
23808 KB |
n=100 |
22 |
Correct |
18 ms |
23808 KB |
n=100 |
23 |
Correct |
18 ms |
23808 KB |
n=100 |
24 |
Correct |
19 ms |
23808 KB |
n=100 |
25 |
Correct |
17 ms |
23936 KB |
n=100 |
26 |
Correct |
19 ms |
23808 KB |
n=12 |
27 |
Correct |
17 ms |
23808 KB |
n=100 |
28 |
Correct |
19 ms |
23936 KB |
n=500 |
29 |
Correct |
21 ms |
23936 KB |
n=500 |
30 |
Correct |
19 ms |
23936 KB |
n=500 |
31 |
Correct |
19 ms |
23936 KB |
n=500 |
32 |
Correct |
19 ms |
23936 KB |
n=500 |
33 |
Correct |
18 ms |
23936 KB |
n=500 |
34 |
Correct |
19 ms |
23936 KB |
n=500 |
35 |
Correct |
19 ms |
23936 KB |
n=500 |
36 |
Correct |
19 ms |
23936 KB |
n=500 |
37 |
Correct |
21 ms |
23936 KB |
n=500 |
38 |
Correct |
19 ms |
23936 KB |
n=500 |
39 |
Correct |
19 ms |
23936 KB |
n=500 |
40 |
Correct |
19 ms |
23936 KB |
n=500 |
41 |
Correct |
19 ms |
23936 KB |
n=500 |
42 |
Correct |
18 ms |
23936 KB |
n=500 |
43 |
Correct |
18 ms |
23936 KB |
n=500 |
44 |
Correct |
19 ms |
23936 KB |
n=500 |
45 |
Correct |
19 ms |
23936 KB |
n=500 |
46 |
Correct |
19 ms |
24064 KB |
n=500 |
47 |
Correct |
19 ms |
23936 KB |
n=500 |
48 |
Correct |
18 ms |
23936 KB |
n=500 |
49 |
Correct |
21 ms |
23936 KB |
n=500 |
50 |
Correct |
19 ms |
23936 KB |
n=500 |
51 |
Correct |
19 ms |
23936 KB |
n=500 |
52 |
Correct |
19 ms |
23936 KB |
n=500 |
53 |
Correct |
19 ms |
23936 KB |
n=500 |
54 |
Correct |
19 ms |
23936 KB |
n=500 |
55 |
Correct |
18 ms |
23936 KB |
n=278 |
56 |
Correct |
19 ms |
24064 KB |
n=500 |
57 |
Correct |
19 ms |
23936 KB |
n=500 |
58 |
Correct |
19 ms |
23936 KB |
n=500 |
59 |
Correct |
24 ms |
24320 KB |
n=2000 |
60 |
Correct |
23 ms |
24456 KB |
n=2000 |
61 |
Correct |
23 ms |
24448 KB |
n=2000 |
62 |
Correct |
24 ms |
24320 KB |
n=2000 |
63 |
Correct |
23 ms |
24320 KB |
n=2000 |
64 |
Correct |
23 ms |
24320 KB |
n=2000 |
65 |
Correct |
23 ms |
24320 KB |
n=2000 |
66 |
Correct |
23 ms |
24448 KB |
n=2000 |
67 |
Correct |
23 ms |
24320 KB |
n=2000 |
68 |
Correct |
24 ms |
24320 KB |
n=2000 |
69 |
Correct |
24 ms |
24320 KB |
n=2000 |
70 |
Correct |
24 ms |
24320 KB |
n=2000 |
71 |
Correct |
23 ms |
24320 KB |
n=2000 |
72 |
Correct |
24 ms |
24320 KB |
n=2000 |
73 |
Correct |
23 ms |
24320 KB |
n=2000 |
74 |
Correct |
22 ms |
24320 KB |
n=1844 |
75 |
Correct |
24 ms |
24320 KB |
n=2000 |
76 |
Correct |
23 ms |
24320 KB |
n=2000 |
77 |
Correct |
24 ms |
24320 KB |
n=2000 |
78 |
Correct |
23 ms |
24320 KB |
n=2000 |
79 |
Correct |
23 ms |
24320 KB |
n=2000 |
80 |
Correct |
23 ms |
24448 KB |
n=2000 |
81 |
Correct |
23 ms |
24448 KB |
n=2000 |
82 |
Correct |
23 ms |
24192 KB |
n=2000 |
83 |
Correct |
23 ms |
24440 KB |
n=2000 |
84 |
Correct |
23 ms |
24312 KB |
n=2000 |
85 |
Correct |
23 ms |
24320 KB |
n=2000 |
86 |
Correct |
23 ms |
24320 KB |
n=2000 |
87 |
Correct |
23 ms |
24320 KB |
n=2000 |
88 |
Correct |
22 ms |
24448 KB |
n=2000 |
89 |
Correct |
24 ms |
24448 KB |
n=2000 |
90 |
Correct |
22 ms |
24448 KB |
n=2000 |
91 |
Correct |
24 ms |
24320 KB |
n=2000 |
92 |
Correct |
1016 ms |
74628 KB |
n=200000 |
93 |
Correct |
1283 ms |
79480 KB |
n=200000 |
94 |
Correct |
1282 ms |
82872 KB |
n=200000 |
95 |
Correct |
992 ms |
74604 KB |
n=200000 |
96 |
Correct |
952 ms |
74604 KB |
n=200000 |
97 |
Correct |
1301 ms |
78712 KB |
n=200000 |
98 |
Correct |
1008 ms |
74568 KB |
n=200000 |
99 |
Correct |
1216 ms |
74784 KB |
n=200000 |
100 |
Correct |
1010 ms |
74480 KB |
n=200000 |
101 |
Correct |
1289 ms |
84216 KB |
n=200000 |
102 |
Correct |
912 ms |
75768 KB |
n=200000 |
103 |
Correct |
872 ms |
75768 KB |
n=200000 |
104 |
Correct |
904 ms |
75612 KB |
n=200000 |
105 |
Correct |
859 ms |
76152 KB |
n=200000 |
106 |
Correct |
853 ms |
76024 KB |
n=200000 |
107 |
Correct |
894 ms |
76152 KB |
n=200000 |
108 |
Correct |
1092 ms |
74488 KB |
n=200000 |
109 |
Correct |
1098 ms |
74744 KB |
n=200000 |
110 |
Correct |
1101 ms |
74744 KB |
n=200000 |
111 |
Correct |
1016 ms |
74100 KB |
n=200000 |
112 |
Correct |
1283 ms |
83192 KB |
n=200000 |
113 |
Correct |
1308 ms |
78712 KB |
n=200000 |
114 |
Correct |
1016 ms |
74024 KB |
n=200000 |
115 |
Correct |
1369 ms |
76596 KB |
n=200000 |
116 |
Correct |
959 ms |
74772 KB |
n=200000 |
117 |
Correct |
1288 ms |
83564 KB |
n=200000 |
118 |
Correct |
1329 ms |
77724 KB |
n=200000 |
119 |
Correct |
953 ms |
74600 KB |
n=200000 |
120 |
Correct |
1225 ms |
83320 KB |
n=200000 |
121 |
Correct |
1236 ms |
83448 KB |
n=200000 |
122 |
Correct |
1250 ms |
83576 KB |
n=200000 |
123 |
Correct |
918 ms |
76024 KB |
n=200000 |
124 |
Correct |
307 ms |
38716 KB |
n=25264 |