#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = a; i<= b; ++i)
#define FORD(i, a, b) for (int i = a; i>=b; --i)
#define REP(i, a) for (int i = 0; i<a; ++i)
#define DEBUG(x) { cerr << #x << " = " << x << endl; }
#define Arr(A, l, r) { cerr << #A << " = "; FOR(_, l, r) cerr << A[_] << ' '; cerr << endl; }
#define N 200002
#define pp pair<int, int>
#define next __next
#define prev __prev
#define __builtin_popcount __builtin_popcountll
#define bit(S, i) (((S) >> i) & 1)
#define IO ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL);
using namespace std;
int n, m, q, a[N], h[N];
int LCA[N][18], LOG;
vector<int> e[N];
set<int> One[N], Two[N];
void dfs(int u, int p) {
for (int v : e[u]) if (v != p) {
h[v] = h[u] + 1;
LCA[v][0] = u;
dfs(v, u);
}
}
int lca(int u, int v) {
if (h[u] < h[v]) swap(u, v);
int delta = h[u] - h[v];
FORD(i, LOG, 0) if (bit(delta, i)) u = LCA[u][i];
if (u == v) return u;
FORD(i, LOG, 0) if (LCA[u][i] != LCA[v][i]) {
u = LCA[u][i]; v = LCA[v][i];
}
return LCA[u][0];
}
int main() {
#ifdef NERO
freopen("test.inp","r",stdin);
freopen("test.out","w",stdout);
#endif //NERO
IO;
cin >> n >> m >> q;
LOG = log2(n);
FOR(i, 2, n) {
int u, v;
cin >> u >> v;
e[u].push_back(v);
e[v].push_back(u);
}
dfs(1, -1);
FOR(j, 1, LOG) FOR(v, 1, n) LCA[v][j] = LCA[LCA[v][j - 1]][j - 1];
FOR(i, 1, m) {
cin >> a[i];
One[a[i]].insert(i);
if (i != 1) {
Two[lca(a[i], a[i - 1])].insert(i);
}
}
while (q--) {
int type, v, l, r;
cin >> type;
if (type == 1) {
cin >> l >> v;
One[a[l]].erase(l);
if (l > 1) Two[lca(a[l - 1], a[l])].erase(l);
if (l < m) Two[lca(a[l], a[l + 1])].erase(l + 1);
a[l] = v;
One[a[l]].insert(l);
if (l > 1) Two[lca(a[l], a[l - 1])].insert(l);
if (l < m) Two[lca(a[l], a[l + 1])].insert(l + 1);
}
else {
cin >> l >> r >> v;
set<int> :: iterator InOne, InTwo;
InOne = One[v].lower_bound(l);
InTwo = Two[v].lower_bound(l + 1);
int x = -1, y = -1;
if (InOne != One[v].end() && (*InOne) <= r) x = (*InOne), y = x;
if (InTwo != Two[v].end() && (*InTwo) <= r) x = (*InTwo) - 1, y = x + 1;
printf("%d %d\n", x, y);
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
23800 KB |
n=5 |
2 |
Correct |
21 ms |
23908 KB |
n=100 |
3 |
Correct |
21 ms |
23960 KB |
n=100 |
4 |
Correct |
20 ms |
23960 KB |
n=100 |
5 |
Correct |
23 ms |
24012 KB |
n=100 |
6 |
Correct |
21 ms |
24164 KB |
n=100 |
7 |
Correct |
21 ms |
24164 KB |
n=100 |
8 |
Correct |
20 ms |
24164 KB |
n=100 |
9 |
Correct |
20 ms |
24164 KB |
n=100 |
10 |
Correct |
19 ms |
24164 KB |
n=100 |
11 |
Correct |
20 ms |
24164 KB |
n=100 |
12 |
Correct |
25 ms |
24164 KB |
n=100 |
13 |
Correct |
21 ms |
24164 KB |
n=100 |
14 |
Correct |
19 ms |
24164 KB |
n=100 |
15 |
Correct |
19 ms |
24164 KB |
n=100 |
16 |
Correct |
20 ms |
24164 KB |
n=100 |
17 |
Correct |
20 ms |
24164 KB |
n=100 |
18 |
Correct |
20 ms |
24164 KB |
n=100 |
19 |
Correct |
20 ms |
24164 KB |
n=100 |
20 |
Correct |
20 ms |
24164 KB |
n=100 |
21 |
Correct |
19 ms |
24164 KB |
n=100 |
22 |
Correct |
20 ms |
24164 KB |
n=100 |
23 |
Correct |
21 ms |
24164 KB |
n=100 |
24 |
Correct |
20 ms |
24164 KB |
n=100 |
25 |
Correct |
20 ms |
24164 KB |
n=100 |
26 |
Correct |
21 ms |
24164 KB |
n=12 |
27 |
Correct |
20 ms |
24164 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
23800 KB |
n=5 |
2 |
Correct |
21 ms |
23908 KB |
n=100 |
3 |
Correct |
21 ms |
23960 KB |
n=100 |
4 |
Correct |
20 ms |
23960 KB |
n=100 |
5 |
Correct |
23 ms |
24012 KB |
n=100 |
6 |
Correct |
21 ms |
24164 KB |
n=100 |
7 |
Correct |
21 ms |
24164 KB |
n=100 |
8 |
Correct |
20 ms |
24164 KB |
n=100 |
9 |
Correct |
20 ms |
24164 KB |
n=100 |
10 |
Correct |
19 ms |
24164 KB |
n=100 |
11 |
Correct |
20 ms |
24164 KB |
n=100 |
12 |
Correct |
25 ms |
24164 KB |
n=100 |
13 |
Correct |
21 ms |
24164 KB |
n=100 |
14 |
Correct |
19 ms |
24164 KB |
n=100 |
15 |
Correct |
19 ms |
24164 KB |
n=100 |
16 |
Correct |
20 ms |
24164 KB |
n=100 |
17 |
Correct |
20 ms |
24164 KB |
n=100 |
18 |
Correct |
20 ms |
24164 KB |
n=100 |
19 |
Correct |
20 ms |
24164 KB |
n=100 |
20 |
Correct |
20 ms |
24164 KB |
n=100 |
21 |
Correct |
19 ms |
24164 KB |
n=100 |
22 |
Correct |
20 ms |
24164 KB |
n=100 |
23 |
Correct |
21 ms |
24164 KB |
n=100 |
24 |
Correct |
20 ms |
24164 KB |
n=100 |
25 |
Correct |
20 ms |
24164 KB |
n=100 |
26 |
Correct |
21 ms |
24164 KB |
n=12 |
27 |
Correct |
20 ms |
24164 KB |
n=100 |
28 |
Correct |
20 ms |
24164 KB |
n=500 |
29 |
Correct |
20 ms |
24164 KB |
n=500 |
30 |
Correct |
20 ms |
24164 KB |
n=500 |
31 |
Correct |
21 ms |
24164 KB |
n=500 |
32 |
Correct |
23 ms |
24176 KB |
n=500 |
33 |
Correct |
20 ms |
24284 KB |
n=500 |
34 |
Correct |
21 ms |
24284 KB |
n=500 |
35 |
Correct |
20 ms |
24284 KB |
n=500 |
36 |
Correct |
20 ms |
24284 KB |
n=500 |
37 |
Correct |
22 ms |
24284 KB |
n=500 |
38 |
Correct |
20 ms |
24284 KB |
n=500 |
39 |
Correct |
20 ms |
24284 KB |
n=500 |
40 |
Correct |
20 ms |
24284 KB |
n=500 |
41 |
Correct |
20 ms |
24284 KB |
n=500 |
42 |
Correct |
21 ms |
24284 KB |
n=500 |
43 |
Correct |
20 ms |
24284 KB |
n=500 |
44 |
Correct |
22 ms |
24284 KB |
n=500 |
45 |
Correct |
20 ms |
24284 KB |
n=500 |
46 |
Correct |
21 ms |
24284 KB |
n=500 |
47 |
Correct |
21 ms |
24284 KB |
n=500 |
48 |
Correct |
20 ms |
24284 KB |
n=500 |
49 |
Correct |
21 ms |
24284 KB |
n=500 |
50 |
Correct |
21 ms |
24284 KB |
n=500 |
51 |
Correct |
20 ms |
24284 KB |
n=500 |
52 |
Correct |
21 ms |
24284 KB |
n=500 |
53 |
Correct |
21 ms |
24284 KB |
n=500 |
54 |
Correct |
21 ms |
24284 KB |
n=500 |
55 |
Correct |
20 ms |
24284 KB |
n=278 |
56 |
Correct |
26 ms |
24284 KB |
n=500 |
57 |
Correct |
22 ms |
24284 KB |
n=500 |
58 |
Correct |
21 ms |
24284 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
23800 KB |
n=5 |
2 |
Correct |
21 ms |
23908 KB |
n=100 |
3 |
Correct |
21 ms |
23960 KB |
n=100 |
4 |
Correct |
20 ms |
23960 KB |
n=100 |
5 |
Correct |
23 ms |
24012 KB |
n=100 |
6 |
Correct |
21 ms |
24164 KB |
n=100 |
7 |
Correct |
21 ms |
24164 KB |
n=100 |
8 |
Correct |
20 ms |
24164 KB |
n=100 |
9 |
Correct |
20 ms |
24164 KB |
n=100 |
10 |
Correct |
19 ms |
24164 KB |
n=100 |
11 |
Correct |
20 ms |
24164 KB |
n=100 |
12 |
Correct |
25 ms |
24164 KB |
n=100 |
13 |
Correct |
21 ms |
24164 KB |
n=100 |
14 |
Correct |
19 ms |
24164 KB |
n=100 |
15 |
Correct |
19 ms |
24164 KB |
n=100 |
16 |
Correct |
20 ms |
24164 KB |
n=100 |
17 |
Correct |
20 ms |
24164 KB |
n=100 |
18 |
Correct |
20 ms |
24164 KB |
n=100 |
19 |
Correct |
20 ms |
24164 KB |
n=100 |
20 |
Correct |
20 ms |
24164 KB |
n=100 |
21 |
Correct |
19 ms |
24164 KB |
n=100 |
22 |
Correct |
20 ms |
24164 KB |
n=100 |
23 |
Correct |
21 ms |
24164 KB |
n=100 |
24 |
Correct |
20 ms |
24164 KB |
n=100 |
25 |
Correct |
20 ms |
24164 KB |
n=100 |
26 |
Correct |
21 ms |
24164 KB |
n=12 |
27 |
Correct |
20 ms |
24164 KB |
n=100 |
28 |
Correct |
20 ms |
24164 KB |
n=500 |
29 |
Correct |
20 ms |
24164 KB |
n=500 |
30 |
Correct |
20 ms |
24164 KB |
n=500 |
31 |
Correct |
21 ms |
24164 KB |
n=500 |
32 |
Correct |
23 ms |
24176 KB |
n=500 |
33 |
Correct |
20 ms |
24284 KB |
n=500 |
34 |
Correct |
21 ms |
24284 KB |
n=500 |
35 |
Correct |
20 ms |
24284 KB |
n=500 |
36 |
Correct |
20 ms |
24284 KB |
n=500 |
37 |
Correct |
22 ms |
24284 KB |
n=500 |
38 |
Correct |
20 ms |
24284 KB |
n=500 |
39 |
Correct |
20 ms |
24284 KB |
n=500 |
40 |
Correct |
20 ms |
24284 KB |
n=500 |
41 |
Correct |
20 ms |
24284 KB |
n=500 |
42 |
Correct |
21 ms |
24284 KB |
n=500 |
43 |
Correct |
20 ms |
24284 KB |
n=500 |
44 |
Correct |
22 ms |
24284 KB |
n=500 |
45 |
Correct |
20 ms |
24284 KB |
n=500 |
46 |
Correct |
21 ms |
24284 KB |
n=500 |
47 |
Correct |
21 ms |
24284 KB |
n=500 |
48 |
Correct |
20 ms |
24284 KB |
n=500 |
49 |
Correct |
21 ms |
24284 KB |
n=500 |
50 |
Correct |
21 ms |
24284 KB |
n=500 |
51 |
Correct |
20 ms |
24284 KB |
n=500 |
52 |
Correct |
21 ms |
24284 KB |
n=500 |
53 |
Correct |
21 ms |
24284 KB |
n=500 |
54 |
Correct |
21 ms |
24284 KB |
n=500 |
55 |
Correct |
20 ms |
24284 KB |
n=278 |
56 |
Correct |
26 ms |
24284 KB |
n=500 |
57 |
Correct |
22 ms |
24284 KB |
n=500 |
58 |
Correct |
21 ms |
24284 KB |
n=500 |
59 |
Correct |
23 ms |
24412 KB |
n=2000 |
60 |
Correct |
23 ms |
24540 KB |
n=2000 |
61 |
Correct |
24 ms |
24556 KB |
n=2000 |
62 |
Correct |
24 ms |
24572 KB |
n=2000 |
63 |
Correct |
24 ms |
24572 KB |
n=2000 |
64 |
Correct |
24 ms |
24588 KB |
n=2000 |
65 |
Correct |
26 ms |
24588 KB |
n=2000 |
66 |
Correct |
26 ms |
24588 KB |
n=2000 |
67 |
Correct |
24 ms |
24588 KB |
n=2000 |
68 |
Correct |
25 ms |
24588 KB |
n=2000 |
69 |
Correct |
22 ms |
24588 KB |
n=2000 |
70 |
Correct |
23 ms |
24604 KB |
n=2000 |
71 |
Correct |
22 ms |
24604 KB |
n=2000 |
72 |
Correct |
24 ms |
24604 KB |
n=2000 |
73 |
Correct |
23 ms |
24604 KB |
n=2000 |
74 |
Correct |
24 ms |
24604 KB |
n=1844 |
75 |
Correct |
24 ms |
24604 KB |
n=2000 |
76 |
Correct |
25 ms |
24604 KB |
n=2000 |
77 |
Correct |
31 ms |
24604 KB |
n=2000 |
78 |
Correct |
24 ms |
24604 KB |
n=2000 |
79 |
Correct |
24 ms |
24604 KB |
n=2000 |
80 |
Correct |
23 ms |
24604 KB |
n=2000 |
81 |
Correct |
24 ms |
24604 KB |
n=2000 |
82 |
Correct |
23 ms |
24604 KB |
n=2000 |
83 |
Correct |
24 ms |
24604 KB |
n=2000 |
84 |
Correct |
28 ms |
24604 KB |
n=2000 |
85 |
Correct |
23 ms |
24604 KB |
n=2000 |
86 |
Correct |
25 ms |
24604 KB |
n=2000 |
87 |
Correct |
24 ms |
24604 KB |
n=2000 |
88 |
Correct |
23 ms |
24604 KB |
n=2000 |
89 |
Correct |
24 ms |
24604 KB |
n=2000 |
90 |
Correct |
23 ms |
24604 KB |
n=2000 |
91 |
Correct |
23 ms |
24604 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
23800 KB |
n=5 |
2 |
Correct |
21 ms |
23908 KB |
n=100 |
3 |
Correct |
21 ms |
23960 KB |
n=100 |
4 |
Correct |
20 ms |
23960 KB |
n=100 |
5 |
Correct |
23 ms |
24012 KB |
n=100 |
6 |
Correct |
21 ms |
24164 KB |
n=100 |
7 |
Correct |
21 ms |
24164 KB |
n=100 |
8 |
Correct |
20 ms |
24164 KB |
n=100 |
9 |
Correct |
20 ms |
24164 KB |
n=100 |
10 |
Correct |
19 ms |
24164 KB |
n=100 |
11 |
Correct |
20 ms |
24164 KB |
n=100 |
12 |
Correct |
25 ms |
24164 KB |
n=100 |
13 |
Correct |
21 ms |
24164 KB |
n=100 |
14 |
Correct |
19 ms |
24164 KB |
n=100 |
15 |
Correct |
19 ms |
24164 KB |
n=100 |
16 |
Correct |
20 ms |
24164 KB |
n=100 |
17 |
Correct |
20 ms |
24164 KB |
n=100 |
18 |
Correct |
20 ms |
24164 KB |
n=100 |
19 |
Correct |
20 ms |
24164 KB |
n=100 |
20 |
Correct |
20 ms |
24164 KB |
n=100 |
21 |
Correct |
19 ms |
24164 KB |
n=100 |
22 |
Correct |
20 ms |
24164 KB |
n=100 |
23 |
Correct |
21 ms |
24164 KB |
n=100 |
24 |
Correct |
20 ms |
24164 KB |
n=100 |
25 |
Correct |
20 ms |
24164 KB |
n=100 |
26 |
Correct |
21 ms |
24164 KB |
n=12 |
27 |
Correct |
20 ms |
24164 KB |
n=100 |
28 |
Correct |
20 ms |
24164 KB |
n=500 |
29 |
Correct |
20 ms |
24164 KB |
n=500 |
30 |
Correct |
20 ms |
24164 KB |
n=500 |
31 |
Correct |
21 ms |
24164 KB |
n=500 |
32 |
Correct |
23 ms |
24176 KB |
n=500 |
33 |
Correct |
20 ms |
24284 KB |
n=500 |
34 |
Correct |
21 ms |
24284 KB |
n=500 |
35 |
Correct |
20 ms |
24284 KB |
n=500 |
36 |
Correct |
20 ms |
24284 KB |
n=500 |
37 |
Correct |
22 ms |
24284 KB |
n=500 |
38 |
Correct |
20 ms |
24284 KB |
n=500 |
39 |
Correct |
20 ms |
24284 KB |
n=500 |
40 |
Correct |
20 ms |
24284 KB |
n=500 |
41 |
Correct |
20 ms |
24284 KB |
n=500 |
42 |
Correct |
21 ms |
24284 KB |
n=500 |
43 |
Correct |
20 ms |
24284 KB |
n=500 |
44 |
Correct |
22 ms |
24284 KB |
n=500 |
45 |
Correct |
20 ms |
24284 KB |
n=500 |
46 |
Correct |
21 ms |
24284 KB |
n=500 |
47 |
Correct |
21 ms |
24284 KB |
n=500 |
48 |
Correct |
20 ms |
24284 KB |
n=500 |
49 |
Correct |
21 ms |
24284 KB |
n=500 |
50 |
Correct |
21 ms |
24284 KB |
n=500 |
51 |
Correct |
20 ms |
24284 KB |
n=500 |
52 |
Correct |
21 ms |
24284 KB |
n=500 |
53 |
Correct |
21 ms |
24284 KB |
n=500 |
54 |
Correct |
21 ms |
24284 KB |
n=500 |
55 |
Correct |
20 ms |
24284 KB |
n=278 |
56 |
Correct |
26 ms |
24284 KB |
n=500 |
57 |
Correct |
22 ms |
24284 KB |
n=500 |
58 |
Correct |
21 ms |
24284 KB |
n=500 |
59 |
Correct |
23 ms |
24412 KB |
n=2000 |
60 |
Correct |
23 ms |
24540 KB |
n=2000 |
61 |
Correct |
24 ms |
24556 KB |
n=2000 |
62 |
Correct |
24 ms |
24572 KB |
n=2000 |
63 |
Correct |
24 ms |
24572 KB |
n=2000 |
64 |
Correct |
24 ms |
24588 KB |
n=2000 |
65 |
Correct |
26 ms |
24588 KB |
n=2000 |
66 |
Correct |
26 ms |
24588 KB |
n=2000 |
67 |
Correct |
24 ms |
24588 KB |
n=2000 |
68 |
Correct |
25 ms |
24588 KB |
n=2000 |
69 |
Correct |
22 ms |
24588 KB |
n=2000 |
70 |
Correct |
23 ms |
24604 KB |
n=2000 |
71 |
Correct |
22 ms |
24604 KB |
n=2000 |
72 |
Correct |
24 ms |
24604 KB |
n=2000 |
73 |
Correct |
23 ms |
24604 KB |
n=2000 |
74 |
Correct |
24 ms |
24604 KB |
n=1844 |
75 |
Correct |
24 ms |
24604 KB |
n=2000 |
76 |
Correct |
25 ms |
24604 KB |
n=2000 |
77 |
Correct |
31 ms |
24604 KB |
n=2000 |
78 |
Correct |
24 ms |
24604 KB |
n=2000 |
79 |
Correct |
24 ms |
24604 KB |
n=2000 |
80 |
Correct |
23 ms |
24604 KB |
n=2000 |
81 |
Correct |
24 ms |
24604 KB |
n=2000 |
82 |
Correct |
23 ms |
24604 KB |
n=2000 |
83 |
Correct |
24 ms |
24604 KB |
n=2000 |
84 |
Correct |
28 ms |
24604 KB |
n=2000 |
85 |
Correct |
23 ms |
24604 KB |
n=2000 |
86 |
Correct |
25 ms |
24604 KB |
n=2000 |
87 |
Correct |
24 ms |
24604 KB |
n=2000 |
88 |
Correct |
23 ms |
24604 KB |
n=2000 |
89 |
Correct |
24 ms |
24604 KB |
n=2000 |
90 |
Correct |
23 ms |
24604 KB |
n=2000 |
91 |
Correct |
23 ms |
24604 KB |
n=2000 |
92 |
Correct |
930 ms |
66808 KB |
n=200000 |
93 |
Correct |
1377 ms |
70668 KB |
n=200000 |
94 |
Correct |
1305 ms |
74048 KB |
n=200000 |
95 |
Correct |
877 ms |
74048 KB |
n=200000 |
96 |
Correct |
893 ms |
74048 KB |
n=200000 |
97 |
Correct |
1238 ms |
74048 KB |
n=200000 |
98 |
Correct |
844 ms |
74048 KB |
n=200000 |
99 |
Correct |
1030 ms |
74048 KB |
n=200000 |
100 |
Correct |
908 ms |
74048 KB |
n=200000 |
101 |
Correct |
1240 ms |
75200 KB |
n=200000 |
102 |
Correct |
514 ms |
75200 KB |
n=200000 |
103 |
Correct |
523 ms |
75200 KB |
n=200000 |
104 |
Correct |
539 ms |
75200 KB |
n=200000 |
105 |
Correct |
536 ms |
75200 KB |
n=200000 |
106 |
Correct |
516 ms |
75200 KB |
n=200000 |
107 |
Correct |
544 ms |
75200 KB |
n=200000 |
108 |
Correct |
984 ms |
75200 KB |
n=200000 |
109 |
Correct |
953 ms |
75200 KB |
n=200000 |
110 |
Correct |
949 ms |
75200 KB |
n=200000 |
111 |
Correct |
913 ms |
75200 KB |
n=200000 |
112 |
Correct |
1234 ms |
75200 KB |
n=200000 |
113 |
Correct |
1245 ms |
75200 KB |
n=200000 |
114 |
Correct |
916 ms |
75200 KB |
n=200000 |
115 |
Correct |
1314 ms |
75200 KB |
n=200000 |
116 |
Correct |
865 ms |
75200 KB |
n=200000 |
117 |
Correct |
1325 ms |
75200 KB |
n=200000 |
118 |
Correct |
1342 ms |
75200 KB |
n=200000 |
119 |
Correct |
871 ms |
75200 KB |
n=200000 |
120 |
Correct |
1296 ms |
75200 KB |
n=200000 |
121 |
Correct |
1252 ms |
75200 KB |
n=200000 |
122 |
Correct |
1223 ms |
75368 KB |
n=200000 |
123 |
Correct |
550 ms |
75368 KB |
n=200000 |
124 |
Correct |
319 ms |
75368 KB |
n=25264 |