//Dost SEFEROĞLU
#include <bits/stdc++.h>
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e18;
const int N = 2e5+50,Q = 2e5+50;
vi edges[N];
int tin[N],tout[N];
int A[N],B[N];
int timer = 1;
int up[N][20];
void dfs(int node,int p) {
tin[node] = timer++;
up[node][0] = p;
for (auto it : edges[node]) {
if (it != p) dfs(it,node);
}
tout[node] = timer-1;
}
bool anc(int a,int b) {
return tin[a] <= tin[b] && tout[a] >= tout[b];
}
int lca(int a,int b) {
if (anc(a,b)) return a;
if (anc(b,a)) return b;
for (int i = 19;i>=0;i--) if (!anc(up[a][i],b)) a = up[a][i];
return up[a][0];
}
void solve() {
int n,m,q;
cin >> n >> m >> q;
for (int i=1;i<=n-1;i++) {
int a,b;
cin >> a >> b;
edges[a].push_back(b);
edges[b].push_back(a);
}
dfs(1,1);
for (int i = 1;i<=m;i++) {
cin >> B[i];
}
for (int i=1;i<20;i++) {
for (int j = 1;j<=n;j++) up[j][i] = up[up[j][i-1]][i-1];
}
while (q--) {
int type;
cin >> type;
if (type == 1) {
int p,v;
cin >> p >> v;
A[p] = tin[v], B[p] = v;
}
else {
int l,r,v;
cin >> l >> r >> v;
int runner = 0;
int start = 0;
bool fl = 0;
for (int j = l;j<=r;j++) {
if (!anc(v,B[j])) {
runner = 0;
continue;
}
if (!runner) runner = B[j],start = j;
else runner = lca(runner,B[j]);
if (runner == v) {
cout << start << " " << j << '\n';
fl = 1;
break;
}
}
if (fl) continue;
cout << -1 << " " << -1 << '\n';
}
}
}
signed main() {
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Dodi
freopen("in.txt","r",stdin);
freopen("out.txt","w",stdout);
#endif
int t = 1;
//cin >> t;
while (t --> 0) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
11600 KB |
n=5 |
2 |
Correct |
3 ms |
11600 KB |
n=100 |
3 |
Correct |
3 ms |
11600 KB |
n=100 |
4 |
Correct |
3 ms |
11600 KB |
n=100 |
5 |
Correct |
3 ms |
11600 KB |
n=100 |
6 |
Correct |
3 ms |
11672 KB |
n=100 |
7 |
Correct |
3 ms |
11600 KB |
n=100 |
8 |
Correct |
3 ms |
11600 KB |
n=100 |
9 |
Correct |
3 ms |
11612 KB |
n=100 |
10 |
Correct |
3 ms |
11600 KB |
n=100 |
11 |
Correct |
3 ms |
11600 KB |
n=100 |
12 |
Correct |
3 ms |
11600 KB |
n=100 |
13 |
Correct |
4 ms |
11616 KB |
n=100 |
14 |
Correct |
3 ms |
11600 KB |
n=100 |
15 |
Correct |
3 ms |
11600 KB |
n=100 |
16 |
Correct |
3 ms |
11600 KB |
n=100 |
17 |
Correct |
3 ms |
11600 KB |
n=100 |
18 |
Correct |
3 ms |
11600 KB |
n=100 |
19 |
Correct |
3 ms |
11600 KB |
n=100 |
20 |
Correct |
3 ms |
11776 KB |
n=100 |
21 |
Correct |
3 ms |
11600 KB |
n=100 |
22 |
Correct |
3 ms |
11768 KB |
n=100 |
23 |
Correct |
2 ms |
11600 KB |
n=100 |
24 |
Correct |
3 ms |
11600 KB |
n=100 |
25 |
Correct |
3 ms |
11768 KB |
n=100 |
26 |
Correct |
3 ms |
11768 KB |
n=12 |
27 |
Correct |
3 ms |
11600 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
11600 KB |
n=5 |
2 |
Correct |
3 ms |
11600 KB |
n=100 |
3 |
Correct |
3 ms |
11600 KB |
n=100 |
4 |
Correct |
3 ms |
11600 KB |
n=100 |
5 |
Correct |
3 ms |
11600 KB |
n=100 |
6 |
Correct |
3 ms |
11672 KB |
n=100 |
7 |
Correct |
3 ms |
11600 KB |
n=100 |
8 |
Correct |
3 ms |
11600 KB |
n=100 |
9 |
Correct |
3 ms |
11612 KB |
n=100 |
10 |
Correct |
3 ms |
11600 KB |
n=100 |
11 |
Correct |
3 ms |
11600 KB |
n=100 |
12 |
Correct |
3 ms |
11600 KB |
n=100 |
13 |
Correct |
4 ms |
11616 KB |
n=100 |
14 |
Correct |
3 ms |
11600 KB |
n=100 |
15 |
Correct |
3 ms |
11600 KB |
n=100 |
16 |
Correct |
3 ms |
11600 KB |
n=100 |
17 |
Correct |
3 ms |
11600 KB |
n=100 |
18 |
Correct |
3 ms |
11600 KB |
n=100 |
19 |
Correct |
3 ms |
11600 KB |
n=100 |
20 |
Correct |
3 ms |
11776 KB |
n=100 |
21 |
Correct |
3 ms |
11600 KB |
n=100 |
22 |
Correct |
3 ms |
11768 KB |
n=100 |
23 |
Correct |
2 ms |
11600 KB |
n=100 |
24 |
Correct |
3 ms |
11600 KB |
n=100 |
25 |
Correct |
3 ms |
11768 KB |
n=100 |
26 |
Correct |
3 ms |
11768 KB |
n=12 |
27 |
Correct |
3 ms |
11600 KB |
n=100 |
28 |
Correct |
4 ms |
11856 KB |
n=500 |
29 |
Correct |
3 ms |
11856 KB |
n=500 |
30 |
Correct |
3 ms |
11856 KB |
n=500 |
31 |
Correct |
4 ms |
11856 KB |
n=500 |
32 |
Correct |
3 ms |
11856 KB |
n=500 |
33 |
Correct |
3 ms |
11856 KB |
n=500 |
34 |
Correct |
3 ms |
11856 KB |
n=500 |
35 |
Correct |
3 ms |
11856 KB |
n=500 |
36 |
Correct |
3 ms |
11856 KB |
n=500 |
37 |
Correct |
3 ms |
11856 KB |
n=500 |
38 |
Correct |
3 ms |
11780 KB |
n=500 |
39 |
Correct |
3 ms |
11784 KB |
n=500 |
40 |
Correct |
3 ms |
11856 KB |
n=500 |
41 |
Correct |
3 ms |
11856 KB |
n=500 |
42 |
Correct |
4 ms |
11856 KB |
n=500 |
43 |
Correct |
3 ms |
11856 KB |
n=500 |
44 |
Correct |
3 ms |
11856 KB |
n=500 |
45 |
Correct |
4 ms |
12024 KB |
n=500 |
46 |
Correct |
3 ms |
11856 KB |
n=500 |
47 |
Correct |
4 ms |
11856 KB |
n=500 |
48 |
Correct |
3 ms |
11856 KB |
n=500 |
49 |
Correct |
4 ms |
11856 KB |
n=500 |
50 |
Correct |
3 ms |
11856 KB |
n=500 |
51 |
Correct |
3 ms |
11856 KB |
n=500 |
52 |
Correct |
4 ms |
11780 KB |
n=500 |
53 |
Correct |
3 ms |
11856 KB |
n=500 |
54 |
Correct |
3 ms |
11856 KB |
n=500 |
55 |
Correct |
3 ms |
11600 KB |
n=278 |
56 |
Correct |
4 ms |
11856 KB |
n=500 |
57 |
Correct |
3 ms |
11856 KB |
n=500 |
58 |
Correct |
5 ms |
11876 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
11600 KB |
n=5 |
2 |
Correct |
3 ms |
11600 KB |
n=100 |
3 |
Correct |
3 ms |
11600 KB |
n=100 |
4 |
Correct |
3 ms |
11600 KB |
n=100 |
5 |
Correct |
3 ms |
11600 KB |
n=100 |
6 |
Correct |
3 ms |
11672 KB |
n=100 |
7 |
Correct |
3 ms |
11600 KB |
n=100 |
8 |
Correct |
3 ms |
11600 KB |
n=100 |
9 |
Correct |
3 ms |
11612 KB |
n=100 |
10 |
Correct |
3 ms |
11600 KB |
n=100 |
11 |
Correct |
3 ms |
11600 KB |
n=100 |
12 |
Correct |
3 ms |
11600 KB |
n=100 |
13 |
Correct |
4 ms |
11616 KB |
n=100 |
14 |
Correct |
3 ms |
11600 KB |
n=100 |
15 |
Correct |
3 ms |
11600 KB |
n=100 |
16 |
Correct |
3 ms |
11600 KB |
n=100 |
17 |
Correct |
3 ms |
11600 KB |
n=100 |
18 |
Correct |
3 ms |
11600 KB |
n=100 |
19 |
Correct |
3 ms |
11600 KB |
n=100 |
20 |
Correct |
3 ms |
11776 KB |
n=100 |
21 |
Correct |
3 ms |
11600 KB |
n=100 |
22 |
Correct |
3 ms |
11768 KB |
n=100 |
23 |
Correct |
2 ms |
11600 KB |
n=100 |
24 |
Correct |
3 ms |
11600 KB |
n=100 |
25 |
Correct |
3 ms |
11768 KB |
n=100 |
26 |
Correct |
3 ms |
11768 KB |
n=12 |
27 |
Correct |
3 ms |
11600 KB |
n=100 |
28 |
Correct |
4 ms |
11856 KB |
n=500 |
29 |
Correct |
3 ms |
11856 KB |
n=500 |
30 |
Correct |
3 ms |
11856 KB |
n=500 |
31 |
Correct |
4 ms |
11856 KB |
n=500 |
32 |
Correct |
3 ms |
11856 KB |
n=500 |
33 |
Correct |
3 ms |
11856 KB |
n=500 |
34 |
Correct |
3 ms |
11856 KB |
n=500 |
35 |
Correct |
3 ms |
11856 KB |
n=500 |
36 |
Correct |
3 ms |
11856 KB |
n=500 |
37 |
Correct |
3 ms |
11856 KB |
n=500 |
38 |
Correct |
3 ms |
11780 KB |
n=500 |
39 |
Correct |
3 ms |
11784 KB |
n=500 |
40 |
Correct |
3 ms |
11856 KB |
n=500 |
41 |
Correct |
3 ms |
11856 KB |
n=500 |
42 |
Correct |
4 ms |
11856 KB |
n=500 |
43 |
Correct |
3 ms |
11856 KB |
n=500 |
44 |
Correct |
3 ms |
11856 KB |
n=500 |
45 |
Correct |
4 ms |
12024 KB |
n=500 |
46 |
Correct |
3 ms |
11856 KB |
n=500 |
47 |
Correct |
4 ms |
11856 KB |
n=500 |
48 |
Correct |
3 ms |
11856 KB |
n=500 |
49 |
Correct |
4 ms |
11856 KB |
n=500 |
50 |
Correct |
3 ms |
11856 KB |
n=500 |
51 |
Correct |
3 ms |
11856 KB |
n=500 |
52 |
Correct |
4 ms |
11780 KB |
n=500 |
53 |
Correct |
3 ms |
11856 KB |
n=500 |
54 |
Correct |
3 ms |
11856 KB |
n=500 |
55 |
Correct |
3 ms |
11600 KB |
n=278 |
56 |
Correct |
4 ms |
11856 KB |
n=500 |
57 |
Correct |
3 ms |
11856 KB |
n=500 |
58 |
Correct |
5 ms |
11876 KB |
n=500 |
59 |
Correct |
5 ms |
14160 KB |
n=2000 |
60 |
Correct |
6 ms |
14160 KB |
n=2000 |
61 |
Correct |
10 ms |
14160 KB |
n=2000 |
62 |
Correct |
9 ms |
14160 KB |
n=2000 |
63 |
Correct |
5 ms |
14160 KB |
n=2000 |
64 |
Correct |
8 ms |
14160 KB |
n=2000 |
65 |
Correct |
5 ms |
13904 KB |
n=2000 |
66 |
Correct |
8 ms |
14160 KB |
n=2000 |
67 |
Correct |
4 ms |
14160 KB |
n=2000 |
68 |
Correct |
12 ms |
14160 KB |
n=2000 |
69 |
Correct |
7 ms |
14160 KB |
n=2000 |
70 |
Correct |
7 ms |
14160 KB |
n=2000 |
71 |
Correct |
6 ms |
14160 KB |
n=2000 |
72 |
Correct |
5 ms |
14160 KB |
n=2000 |
73 |
Correct |
5 ms |
14160 KB |
n=2000 |
74 |
Correct |
5 ms |
13904 KB |
n=1844 |
75 |
Correct |
5 ms |
14160 KB |
n=2000 |
76 |
Correct |
11 ms |
14320 KB |
n=2000 |
77 |
Correct |
9 ms |
13904 KB |
n=2000 |
78 |
Correct |
15 ms |
13920 KB |
n=2000 |
79 |
Correct |
4 ms |
13904 KB |
n=2000 |
80 |
Correct |
8 ms |
14160 KB |
n=2000 |
81 |
Correct |
8 ms |
14088 KB |
n=2000 |
82 |
Correct |
5 ms |
13904 KB |
n=2000 |
83 |
Correct |
7 ms |
14336 KB |
n=2000 |
84 |
Correct |
6 ms |
14160 KB |
n=2000 |
85 |
Correct |
10 ms |
14324 KB |
n=2000 |
86 |
Correct |
7 ms |
14160 KB |
n=2000 |
87 |
Correct |
6 ms |
13904 KB |
n=2000 |
88 |
Correct |
10 ms |
14160 KB |
n=2000 |
89 |
Correct |
10 ms |
14088 KB |
n=2000 |
90 |
Correct |
8 ms |
14160 KB |
n=2000 |
91 |
Correct |
9 ms |
14160 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
11600 KB |
n=5 |
2 |
Correct |
3 ms |
11600 KB |
n=100 |
3 |
Correct |
3 ms |
11600 KB |
n=100 |
4 |
Correct |
3 ms |
11600 KB |
n=100 |
5 |
Correct |
3 ms |
11600 KB |
n=100 |
6 |
Correct |
3 ms |
11672 KB |
n=100 |
7 |
Correct |
3 ms |
11600 KB |
n=100 |
8 |
Correct |
3 ms |
11600 KB |
n=100 |
9 |
Correct |
3 ms |
11612 KB |
n=100 |
10 |
Correct |
3 ms |
11600 KB |
n=100 |
11 |
Correct |
3 ms |
11600 KB |
n=100 |
12 |
Correct |
3 ms |
11600 KB |
n=100 |
13 |
Correct |
4 ms |
11616 KB |
n=100 |
14 |
Correct |
3 ms |
11600 KB |
n=100 |
15 |
Correct |
3 ms |
11600 KB |
n=100 |
16 |
Correct |
3 ms |
11600 KB |
n=100 |
17 |
Correct |
3 ms |
11600 KB |
n=100 |
18 |
Correct |
3 ms |
11600 KB |
n=100 |
19 |
Correct |
3 ms |
11600 KB |
n=100 |
20 |
Correct |
3 ms |
11776 KB |
n=100 |
21 |
Correct |
3 ms |
11600 KB |
n=100 |
22 |
Correct |
3 ms |
11768 KB |
n=100 |
23 |
Correct |
2 ms |
11600 KB |
n=100 |
24 |
Correct |
3 ms |
11600 KB |
n=100 |
25 |
Correct |
3 ms |
11768 KB |
n=100 |
26 |
Correct |
3 ms |
11768 KB |
n=12 |
27 |
Correct |
3 ms |
11600 KB |
n=100 |
28 |
Correct |
4 ms |
11856 KB |
n=500 |
29 |
Correct |
3 ms |
11856 KB |
n=500 |
30 |
Correct |
3 ms |
11856 KB |
n=500 |
31 |
Correct |
4 ms |
11856 KB |
n=500 |
32 |
Correct |
3 ms |
11856 KB |
n=500 |
33 |
Correct |
3 ms |
11856 KB |
n=500 |
34 |
Correct |
3 ms |
11856 KB |
n=500 |
35 |
Correct |
3 ms |
11856 KB |
n=500 |
36 |
Correct |
3 ms |
11856 KB |
n=500 |
37 |
Correct |
3 ms |
11856 KB |
n=500 |
38 |
Correct |
3 ms |
11780 KB |
n=500 |
39 |
Correct |
3 ms |
11784 KB |
n=500 |
40 |
Correct |
3 ms |
11856 KB |
n=500 |
41 |
Correct |
3 ms |
11856 KB |
n=500 |
42 |
Correct |
4 ms |
11856 KB |
n=500 |
43 |
Correct |
3 ms |
11856 KB |
n=500 |
44 |
Correct |
3 ms |
11856 KB |
n=500 |
45 |
Correct |
4 ms |
12024 KB |
n=500 |
46 |
Correct |
3 ms |
11856 KB |
n=500 |
47 |
Correct |
4 ms |
11856 KB |
n=500 |
48 |
Correct |
3 ms |
11856 KB |
n=500 |
49 |
Correct |
4 ms |
11856 KB |
n=500 |
50 |
Correct |
3 ms |
11856 KB |
n=500 |
51 |
Correct |
3 ms |
11856 KB |
n=500 |
52 |
Correct |
4 ms |
11780 KB |
n=500 |
53 |
Correct |
3 ms |
11856 KB |
n=500 |
54 |
Correct |
3 ms |
11856 KB |
n=500 |
55 |
Correct |
3 ms |
11600 KB |
n=278 |
56 |
Correct |
4 ms |
11856 KB |
n=500 |
57 |
Correct |
3 ms |
11856 KB |
n=500 |
58 |
Correct |
5 ms |
11876 KB |
n=500 |
59 |
Correct |
5 ms |
14160 KB |
n=2000 |
60 |
Correct |
6 ms |
14160 KB |
n=2000 |
61 |
Correct |
10 ms |
14160 KB |
n=2000 |
62 |
Correct |
9 ms |
14160 KB |
n=2000 |
63 |
Correct |
5 ms |
14160 KB |
n=2000 |
64 |
Correct |
8 ms |
14160 KB |
n=2000 |
65 |
Correct |
5 ms |
13904 KB |
n=2000 |
66 |
Correct |
8 ms |
14160 KB |
n=2000 |
67 |
Correct |
4 ms |
14160 KB |
n=2000 |
68 |
Correct |
12 ms |
14160 KB |
n=2000 |
69 |
Correct |
7 ms |
14160 KB |
n=2000 |
70 |
Correct |
7 ms |
14160 KB |
n=2000 |
71 |
Correct |
6 ms |
14160 KB |
n=2000 |
72 |
Correct |
5 ms |
14160 KB |
n=2000 |
73 |
Correct |
5 ms |
14160 KB |
n=2000 |
74 |
Correct |
5 ms |
13904 KB |
n=1844 |
75 |
Correct |
5 ms |
14160 KB |
n=2000 |
76 |
Correct |
11 ms |
14320 KB |
n=2000 |
77 |
Correct |
9 ms |
13904 KB |
n=2000 |
78 |
Correct |
15 ms |
13920 KB |
n=2000 |
79 |
Correct |
4 ms |
13904 KB |
n=2000 |
80 |
Correct |
8 ms |
14160 KB |
n=2000 |
81 |
Correct |
8 ms |
14088 KB |
n=2000 |
82 |
Correct |
5 ms |
13904 KB |
n=2000 |
83 |
Correct |
7 ms |
14336 KB |
n=2000 |
84 |
Correct |
6 ms |
14160 KB |
n=2000 |
85 |
Correct |
10 ms |
14324 KB |
n=2000 |
86 |
Correct |
7 ms |
14160 KB |
n=2000 |
87 |
Correct |
6 ms |
13904 KB |
n=2000 |
88 |
Correct |
10 ms |
14160 KB |
n=2000 |
89 |
Correct |
10 ms |
14088 KB |
n=2000 |
90 |
Correct |
8 ms |
14160 KB |
n=2000 |
91 |
Correct |
9 ms |
14160 KB |
n=2000 |
92 |
Correct |
192 ms |
56772 KB |
n=200000 |
93 |
Execution timed out |
4049 ms |
56660 KB |
Time limit exceeded |
94 |
Halted |
0 ms |
0 KB |
- |