#include <bits/stdc++.h>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,bmi,bmi2,lzcnt,popcnt")
const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;
int n, m, q, depth[maxn], up[maxn][LOG];
vector<int> graph[maxn], val(maxn);
void dfs(int u, int p) {
for(int i=1; i<LOG; i++) up[u][i] = up[up[u][i-1]][i-1];
for(int &v : graph[u]) {
if(v == p) continue;
up[v][0] = u;
depth[v] = depth[u] + 1;
dfs(v, u);
}
}
int jmp(int x, int d) {
for(int j=LOG-1; j>=0; j--)
if(d & (1 << j)) x = up[x][j];
return x;
}
int get_lca(int a, int b) {
if(a == 1e9) return b;
if(b == 1e9) return a;
if(depth[a] < depth[b]) swap(a, b);
a = jmp(a, depth[a] - depth[b]);
if(a == b) return a;
for(int j=LOG-1; j>=0; j--)
if(up[a][j] != up[b][j])
a = up[a][j], b = up[b][j];
return up[a][0];
}
int32_t main() {
ios_base::sync_with_stdio(false);
cout.tie(0); cin.tie(0);
cin >> n >> m >> q;
for(int i=0; i<n-1; i++) {
int a, b;
cin >> a >> b;
graph[a].push_back(b);
graph[b].push_back(a);
}
dfs(1, 0);
for(int i=1; i<=m; i++) {
cin >> val[i];
}
while(q--) {
int t;
cin >> t;
if(t == 1) {
int p, v;
cin >> p >> v;
val[p] = v;
} else {
int l, r, v;
cin >> l >> r >> v;
bool ok = 0;
for(int i=l; i<=r; i++) {
if(val[i] == v && !ok) {
ok = 1;
cout << i << " " << i << '\n';
}
if(i + 1 <= r && get_lca(val[i], val[i+1]) == v && !ok) {
ok = 1;
cout << i << " " << i + 1 << '\n';
}
}
if(!ok) cout << "-1 -1" << '\n';
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4952 KB |
n=5 |
2 |
Correct |
1 ms |
4956 KB |
n=100 |
3 |
Correct |
1 ms |
4956 KB |
n=100 |
4 |
Correct |
1 ms |
4956 KB |
n=100 |
5 |
Correct |
1 ms |
4956 KB |
n=100 |
6 |
Correct |
1 ms |
4956 KB |
n=100 |
7 |
Correct |
2 ms |
4956 KB |
n=100 |
8 |
Correct |
1 ms |
4956 KB |
n=100 |
9 |
Correct |
1 ms |
4956 KB |
n=100 |
10 |
Correct |
1 ms |
4956 KB |
n=100 |
11 |
Correct |
1 ms |
4952 KB |
n=100 |
12 |
Correct |
1 ms |
4956 KB |
n=100 |
13 |
Correct |
2 ms |
4952 KB |
n=100 |
14 |
Correct |
1 ms |
4952 KB |
n=100 |
15 |
Correct |
1 ms |
5144 KB |
n=100 |
16 |
Correct |
1 ms |
4956 KB |
n=100 |
17 |
Correct |
1 ms |
4956 KB |
n=100 |
18 |
Correct |
1 ms |
4956 KB |
n=100 |
19 |
Correct |
1 ms |
4952 KB |
n=100 |
20 |
Correct |
1 ms |
4956 KB |
n=100 |
21 |
Correct |
1 ms |
4956 KB |
n=100 |
22 |
Correct |
1 ms |
4956 KB |
n=100 |
23 |
Correct |
1 ms |
4952 KB |
n=100 |
24 |
Correct |
1 ms |
4952 KB |
n=100 |
25 |
Correct |
1 ms |
4956 KB |
n=100 |
26 |
Correct |
1 ms |
4956 KB |
n=12 |
27 |
Correct |
1 ms |
4956 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4952 KB |
n=5 |
2 |
Correct |
1 ms |
4956 KB |
n=100 |
3 |
Correct |
1 ms |
4956 KB |
n=100 |
4 |
Correct |
1 ms |
4956 KB |
n=100 |
5 |
Correct |
1 ms |
4956 KB |
n=100 |
6 |
Correct |
1 ms |
4956 KB |
n=100 |
7 |
Correct |
2 ms |
4956 KB |
n=100 |
8 |
Correct |
1 ms |
4956 KB |
n=100 |
9 |
Correct |
1 ms |
4956 KB |
n=100 |
10 |
Correct |
1 ms |
4956 KB |
n=100 |
11 |
Correct |
1 ms |
4952 KB |
n=100 |
12 |
Correct |
1 ms |
4956 KB |
n=100 |
13 |
Correct |
2 ms |
4952 KB |
n=100 |
14 |
Correct |
1 ms |
4952 KB |
n=100 |
15 |
Correct |
1 ms |
5144 KB |
n=100 |
16 |
Correct |
1 ms |
4956 KB |
n=100 |
17 |
Correct |
1 ms |
4956 KB |
n=100 |
18 |
Correct |
1 ms |
4956 KB |
n=100 |
19 |
Correct |
1 ms |
4952 KB |
n=100 |
20 |
Correct |
1 ms |
4956 KB |
n=100 |
21 |
Correct |
1 ms |
4956 KB |
n=100 |
22 |
Correct |
1 ms |
4956 KB |
n=100 |
23 |
Correct |
1 ms |
4952 KB |
n=100 |
24 |
Correct |
1 ms |
4952 KB |
n=100 |
25 |
Correct |
1 ms |
4956 KB |
n=100 |
26 |
Correct |
1 ms |
4956 KB |
n=12 |
27 |
Correct |
1 ms |
4956 KB |
n=100 |
28 |
Correct |
3 ms |
4956 KB |
n=500 |
29 |
Correct |
2 ms |
5212 KB |
n=500 |
30 |
Correct |
2 ms |
4956 KB |
n=500 |
31 |
Correct |
3 ms |
4956 KB |
n=500 |
32 |
Correct |
3 ms |
4956 KB |
n=500 |
33 |
Correct |
2 ms |
5152 KB |
n=500 |
34 |
Correct |
3 ms |
4952 KB |
n=500 |
35 |
Correct |
2 ms |
5212 KB |
n=500 |
36 |
Correct |
11 ms |
4952 KB |
n=500 |
37 |
Correct |
12 ms |
5184 KB |
n=500 |
38 |
Correct |
11 ms |
4952 KB |
n=500 |
39 |
Correct |
5 ms |
4952 KB |
n=500 |
40 |
Correct |
4 ms |
4956 KB |
n=500 |
41 |
Correct |
4 ms |
4956 KB |
n=500 |
42 |
Correct |
6 ms |
4956 KB |
n=500 |
43 |
Correct |
6 ms |
4956 KB |
n=500 |
44 |
Correct |
9 ms |
4956 KB |
n=500 |
45 |
Correct |
3 ms |
5212 KB |
n=500 |
46 |
Correct |
2 ms |
5212 KB |
n=500 |
47 |
Correct |
2 ms |
5212 KB |
n=500 |
48 |
Correct |
2 ms |
4956 KB |
n=500 |
49 |
Correct |
2 ms |
5212 KB |
n=500 |
50 |
Correct |
3 ms |
4956 KB |
n=500 |
51 |
Correct |
2 ms |
4956 KB |
n=500 |
52 |
Correct |
3 ms |
5212 KB |
n=500 |
53 |
Correct |
2 ms |
4956 KB |
n=500 |
54 |
Correct |
3 ms |
5212 KB |
n=500 |
55 |
Correct |
2 ms |
4952 KB |
n=278 |
56 |
Correct |
3 ms |
5208 KB |
n=500 |
57 |
Correct |
3 ms |
4956 KB |
n=500 |
58 |
Correct |
6 ms |
5188 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4952 KB |
n=5 |
2 |
Correct |
1 ms |
4956 KB |
n=100 |
3 |
Correct |
1 ms |
4956 KB |
n=100 |
4 |
Correct |
1 ms |
4956 KB |
n=100 |
5 |
Correct |
1 ms |
4956 KB |
n=100 |
6 |
Correct |
1 ms |
4956 KB |
n=100 |
7 |
Correct |
2 ms |
4956 KB |
n=100 |
8 |
Correct |
1 ms |
4956 KB |
n=100 |
9 |
Correct |
1 ms |
4956 KB |
n=100 |
10 |
Correct |
1 ms |
4956 KB |
n=100 |
11 |
Correct |
1 ms |
4952 KB |
n=100 |
12 |
Correct |
1 ms |
4956 KB |
n=100 |
13 |
Correct |
2 ms |
4952 KB |
n=100 |
14 |
Correct |
1 ms |
4952 KB |
n=100 |
15 |
Correct |
1 ms |
5144 KB |
n=100 |
16 |
Correct |
1 ms |
4956 KB |
n=100 |
17 |
Correct |
1 ms |
4956 KB |
n=100 |
18 |
Correct |
1 ms |
4956 KB |
n=100 |
19 |
Correct |
1 ms |
4952 KB |
n=100 |
20 |
Correct |
1 ms |
4956 KB |
n=100 |
21 |
Correct |
1 ms |
4956 KB |
n=100 |
22 |
Correct |
1 ms |
4956 KB |
n=100 |
23 |
Correct |
1 ms |
4952 KB |
n=100 |
24 |
Correct |
1 ms |
4952 KB |
n=100 |
25 |
Correct |
1 ms |
4956 KB |
n=100 |
26 |
Correct |
1 ms |
4956 KB |
n=12 |
27 |
Correct |
1 ms |
4956 KB |
n=100 |
28 |
Correct |
3 ms |
4956 KB |
n=500 |
29 |
Correct |
2 ms |
5212 KB |
n=500 |
30 |
Correct |
2 ms |
4956 KB |
n=500 |
31 |
Correct |
3 ms |
4956 KB |
n=500 |
32 |
Correct |
3 ms |
4956 KB |
n=500 |
33 |
Correct |
2 ms |
5152 KB |
n=500 |
34 |
Correct |
3 ms |
4952 KB |
n=500 |
35 |
Correct |
2 ms |
5212 KB |
n=500 |
36 |
Correct |
11 ms |
4952 KB |
n=500 |
37 |
Correct |
12 ms |
5184 KB |
n=500 |
38 |
Correct |
11 ms |
4952 KB |
n=500 |
39 |
Correct |
5 ms |
4952 KB |
n=500 |
40 |
Correct |
4 ms |
4956 KB |
n=500 |
41 |
Correct |
4 ms |
4956 KB |
n=500 |
42 |
Correct |
6 ms |
4956 KB |
n=500 |
43 |
Correct |
6 ms |
4956 KB |
n=500 |
44 |
Correct |
9 ms |
4956 KB |
n=500 |
45 |
Correct |
3 ms |
5212 KB |
n=500 |
46 |
Correct |
2 ms |
5212 KB |
n=500 |
47 |
Correct |
2 ms |
5212 KB |
n=500 |
48 |
Correct |
2 ms |
4956 KB |
n=500 |
49 |
Correct |
2 ms |
5212 KB |
n=500 |
50 |
Correct |
3 ms |
4956 KB |
n=500 |
51 |
Correct |
2 ms |
4956 KB |
n=500 |
52 |
Correct |
3 ms |
5212 KB |
n=500 |
53 |
Correct |
2 ms |
4956 KB |
n=500 |
54 |
Correct |
3 ms |
5212 KB |
n=500 |
55 |
Correct |
2 ms |
4952 KB |
n=278 |
56 |
Correct |
3 ms |
5208 KB |
n=500 |
57 |
Correct |
3 ms |
4956 KB |
n=500 |
58 |
Correct |
6 ms |
5188 KB |
n=500 |
59 |
Correct |
28 ms |
5152 KB |
n=2000 |
60 |
Correct |
19 ms |
5212 KB |
n=2000 |
61 |
Correct |
23 ms |
5208 KB |
n=2000 |
62 |
Correct |
33 ms |
5212 KB |
n=2000 |
63 |
Correct |
29 ms |
5208 KB |
n=2000 |
64 |
Correct |
32 ms |
5212 KB |
n=2000 |
65 |
Correct |
28 ms |
5212 KB |
n=2000 |
66 |
Correct |
31 ms |
5212 KB |
n=2000 |
67 |
Correct |
41 ms |
5212 KB |
n=2000 |
68 |
Correct |
25 ms |
5212 KB |
n=2000 |
69 |
Correct |
181 ms |
5208 KB |
n=2000 |
70 |
Correct |
212 ms |
5264 KB |
n=2000 |
71 |
Correct |
178 ms |
5208 KB |
n=2000 |
72 |
Correct |
45 ms |
5212 KB |
n=2000 |
73 |
Correct |
45 ms |
5208 KB |
n=2000 |
74 |
Correct |
21 ms |
5208 KB |
n=1844 |
75 |
Correct |
46 ms |
5212 KB |
n=2000 |
76 |
Correct |
100 ms |
5212 KB |
n=2000 |
77 |
Correct |
96 ms |
5256 KB |
n=2000 |
78 |
Correct |
121 ms |
5208 KB |
n=2000 |
79 |
Correct |
23 ms |
5208 KB |
n=2000 |
80 |
Correct |
16 ms |
5208 KB |
n=2000 |
81 |
Correct |
25 ms |
5208 KB |
n=2000 |
82 |
Correct |
31 ms |
5208 KB |
n=2000 |
83 |
Correct |
18 ms |
5212 KB |
n=2000 |
84 |
Correct |
35 ms |
5212 KB |
n=2000 |
85 |
Correct |
31 ms |
5212 KB |
n=2000 |
86 |
Correct |
34 ms |
5316 KB |
n=2000 |
87 |
Correct |
30 ms |
5208 KB |
n=2000 |
88 |
Correct |
45 ms |
5212 KB |
n=2000 |
89 |
Correct |
37 ms |
5212 KB |
n=2000 |
90 |
Correct |
33 ms |
5208 KB |
n=2000 |
91 |
Correct |
94 ms |
5212 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
4952 KB |
n=5 |
2 |
Correct |
1 ms |
4956 KB |
n=100 |
3 |
Correct |
1 ms |
4956 KB |
n=100 |
4 |
Correct |
1 ms |
4956 KB |
n=100 |
5 |
Correct |
1 ms |
4956 KB |
n=100 |
6 |
Correct |
1 ms |
4956 KB |
n=100 |
7 |
Correct |
2 ms |
4956 KB |
n=100 |
8 |
Correct |
1 ms |
4956 KB |
n=100 |
9 |
Correct |
1 ms |
4956 KB |
n=100 |
10 |
Correct |
1 ms |
4956 KB |
n=100 |
11 |
Correct |
1 ms |
4952 KB |
n=100 |
12 |
Correct |
1 ms |
4956 KB |
n=100 |
13 |
Correct |
2 ms |
4952 KB |
n=100 |
14 |
Correct |
1 ms |
4952 KB |
n=100 |
15 |
Correct |
1 ms |
5144 KB |
n=100 |
16 |
Correct |
1 ms |
4956 KB |
n=100 |
17 |
Correct |
1 ms |
4956 KB |
n=100 |
18 |
Correct |
1 ms |
4956 KB |
n=100 |
19 |
Correct |
1 ms |
4952 KB |
n=100 |
20 |
Correct |
1 ms |
4956 KB |
n=100 |
21 |
Correct |
1 ms |
4956 KB |
n=100 |
22 |
Correct |
1 ms |
4956 KB |
n=100 |
23 |
Correct |
1 ms |
4952 KB |
n=100 |
24 |
Correct |
1 ms |
4952 KB |
n=100 |
25 |
Correct |
1 ms |
4956 KB |
n=100 |
26 |
Correct |
1 ms |
4956 KB |
n=12 |
27 |
Correct |
1 ms |
4956 KB |
n=100 |
28 |
Correct |
3 ms |
4956 KB |
n=500 |
29 |
Correct |
2 ms |
5212 KB |
n=500 |
30 |
Correct |
2 ms |
4956 KB |
n=500 |
31 |
Correct |
3 ms |
4956 KB |
n=500 |
32 |
Correct |
3 ms |
4956 KB |
n=500 |
33 |
Correct |
2 ms |
5152 KB |
n=500 |
34 |
Correct |
3 ms |
4952 KB |
n=500 |
35 |
Correct |
2 ms |
5212 KB |
n=500 |
36 |
Correct |
11 ms |
4952 KB |
n=500 |
37 |
Correct |
12 ms |
5184 KB |
n=500 |
38 |
Correct |
11 ms |
4952 KB |
n=500 |
39 |
Correct |
5 ms |
4952 KB |
n=500 |
40 |
Correct |
4 ms |
4956 KB |
n=500 |
41 |
Correct |
4 ms |
4956 KB |
n=500 |
42 |
Correct |
6 ms |
4956 KB |
n=500 |
43 |
Correct |
6 ms |
4956 KB |
n=500 |
44 |
Correct |
9 ms |
4956 KB |
n=500 |
45 |
Correct |
3 ms |
5212 KB |
n=500 |
46 |
Correct |
2 ms |
5212 KB |
n=500 |
47 |
Correct |
2 ms |
5212 KB |
n=500 |
48 |
Correct |
2 ms |
4956 KB |
n=500 |
49 |
Correct |
2 ms |
5212 KB |
n=500 |
50 |
Correct |
3 ms |
4956 KB |
n=500 |
51 |
Correct |
2 ms |
4956 KB |
n=500 |
52 |
Correct |
3 ms |
5212 KB |
n=500 |
53 |
Correct |
2 ms |
4956 KB |
n=500 |
54 |
Correct |
3 ms |
5212 KB |
n=500 |
55 |
Correct |
2 ms |
4952 KB |
n=278 |
56 |
Correct |
3 ms |
5208 KB |
n=500 |
57 |
Correct |
3 ms |
4956 KB |
n=500 |
58 |
Correct |
6 ms |
5188 KB |
n=500 |
59 |
Correct |
28 ms |
5152 KB |
n=2000 |
60 |
Correct |
19 ms |
5212 KB |
n=2000 |
61 |
Correct |
23 ms |
5208 KB |
n=2000 |
62 |
Correct |
33 ms |
5212 KB |
n=2000 |
63 |
Correct |
29 ms |
5208 KB |
n=2000 |
64 |
Correct |
32 ms |
5212 KB |
n=2000 |
65 |
Correct |
28 ms |
5212 KB |
n=2000 |
66 |
Correct |
31 ms |
5212 KB |
n=2000 |
67 |
Correct |
41 ms |
5212 KB |
n=2000 |
68 |
Correct |
25 ms |
5212 KB |
n=2000 |
69 |
Correct |
181 ms |
5208 KB |
n=2000 |
70 |
Correct |
212 ms |
5264 KB |
n=2000 |
71 |
Correct |
178 ms |
5208 KB |
n=2000 |
72 |
Correct |
45 ms |
5212 KB |
n=2000 |
73 |
Correct |
45 ms |
5208 KB |
n=2000 |
74 |
Correct |
21 ms |
5208 KB |
n=1844 |
75 |
Correct |
46 ms |
5212 KB |
n=2000 |
76 |
Correct |
100 ms |
5212 KB |
n=2000 |
77 |
Correct |
96 ms |
5256 KB |
n=2000 |
78 |
Correct |
121 ms |
5208 KB |
n=2000 |
79 |
Correct |
23 ms |
5208 KB |
n=2000 |
80 |
Correct |
16 ms |
5208 KB |
n=2000 |
81 |
Correct |
25 ms |
5208 KB |
n=2000 |
82 |
Correct |
31 ms |
5208 KB |
n=2000 |
83 |
Correct |
18 ms |
5212 KB |
n=2000 |
84 |
Correct |
35 ms |
5212 KB |
n=2000 |
85 |
Correct |
31 ms |
5212 KB |
n=2000 |
86 |
Correct |
34 ms |
5316 KB |
n=2000 |
87 |
Correct |
30 ms |
5208 KB |
n=2000 |
88 |
Correct |
45 ms |
5212 KB |
n=2000 |
89 |
Correct |
37 ms |
5212 KB |
n=2000 |
90 |
Correct |
33 ms |
5208 KB |
n=2000 |
91 |
Correct |
94 ms |
5212 KB |
n=2000 |
92 |
Runtime error |
38 ms |
27728 KB |
Execution killed with signal 11 |
93 |
Halted |
0 ms |
0 KB |
- |