#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 201000
#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);
template<typename T> inline void read(T &x) {
char c;
bool neg = false;
while (!isdigit(c = getchar()) && c != '-');
x = 0;
if (c == '-') {
neg = true;
c = getchar();
}
do {
x = x * 10 + c - '0';
} while (isdigit(c = getchar()));
if (neg) x = -x;
}
template<typename T> inline void write(T x) {
if (x < 0) {
putchar('-');
write(-x);return;
}
if (x < 10) {
putchar(char(x + 48));
}
else {
write(x/10);
putchar(char(48 + x%10));
}
}
template<typename T> inline void writeln(T x) {
write(x);
putchar('\n');
}
using namespace std;
int n, m, q, a[N], h[N];
int LCA[N][20], 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;
FOR(j, 1, LOG) LCA[v][j] = LCA[LCA[v][j - 1]][j - 1];
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
read(n); read(m); read(q);
LOG = log2(n);
FOR(i, 2, n) {
int u, v;
read(u); read(v);
e[u].push_back(v);
e[v].push_back(u);
}
dfs(1, -1);
FOR(i, 1, m) {
read(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;
read(type);
if (type == 1) {
read(l); read(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 {
read(l); read(r); read(v);
auto InOne = lower_bound(One[v].begin(), One[v].end(), l);
if (InOne != One[v].end() && (*InOne) <= r) {
write(*InOne); putchar(' '); writeln(*InOne);
continue;
}
auto InTwo = lower_bound(Two[v].begin(), Two[v].end(), l + 1);
if (InTwo != Two[v].end() && (*InTwo) <= r) {
write((*InTwo) - 1); putchar(' '); writeln(*InTwo);
continue;
}
puts("-1 -1");
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
23928 KB |
n=5 |
2 |
Correct |
19 ms |
23928 KB |
n=100 |
3 |
Correct |
20 ms |
24068 KB |
n=100 |
4 |
Correct |
20 ms |
24068 KB |
n=100 |
5 |
Correct |
20 ms |
24068 KB |
n=100 |
6 |
Correct |
20 ms |
24140 KB |
n=100 |
7 |
Correct |
20 ms |
24140 KB |
n=100 |
8 |
Correct |
20 ms |
24140 KB |
n=100 |
9 |
Correct |
20 ms |
24140 KB |
n=100 |
10 |
Correct |
20 ms |
24140 KB |
n=100 |
11 |
Correct |
20 ms |
24140 KB |
n=100 |
12 |
Correct |
20 ms |
24140 KB |
n=100 |
13 |
Correct |
20 ms |
24140 KB |
n=100 |
14 |
Correct |
20 ms |
24140 KB |
n=100 |
15 |
Correct |
26 ms |
24140 KB |
n=100 |
16 |
Correct |
19 ms |
24156 KB |
n=100 |
17 |
Correct |
20 ms |
24156 KB |
n=100 |
18 |
Correct |
24 ms |
24156 KB |
n=100 |
19 |
Correct |
20 ms |
24156 KB |
n=100 |
20 |
Correct |
20 ms |
24156 KB |
n=100 |
21 |
Correct |
20 ms |
24156 KB |
n=100 |
22 |
Correct |
20 ms |
24156 KB |
n=100 |
23 |
Correct |
20 ms |
24156 KB |
n=100 |
24 |
Correct |
20 ms |
24156 KB |
n=100 |
25 |
Correct |
21 ms |
24212 KB |
n=100 |
26 |
Correct |
24 ms |
24212 KB |
n=12 |
27 |
Correct |
20 ms |
24212 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
23928 KB |
n=5 |
2 |
Correct |
19 ms |
23928 KB |
n=100 |
3 |
Correct |
20 ms |
24068 KB |
n=100 |
4 |
Correct |
20 ms |
24068 KB |
n=100 |
5 |
Correct |
20 ms |
24068 KB |
n=100 |
6 |
Correct |
20 ms |
24140 KB |
n=100 |
7 |
Correct |
20 ms |
24140 KB |
n=100 |
8 |
Correct |
20 ms |
24140 KB |
n=100 |
9 |
Correct |
20 ms |
24140 KB |
n=100 |
10 |
Correct |
20 ms |
24140 KB |
n=100 |
11 |
Correct |
20 ms |
24140 KB |
n=100 |
12 |
Correct |
20 ms |
24140 KB |
n=100 |
13 |
Correct |
20 ms |
24140 KB |
n=100 |
14 |
Correct |
20 ms |
24140 KB |
n=100 |
15 |
Correct |
26 ms |
24140 KB |
n=100 |
16 |
Correct |
19 ms |
24156 KB |
n=100 |
17 |
Correct |
20 ms |
24156 KB |
n=100 |
18 |
Correct |
24 ms |
24156 KB |
n=100 |
19 |
Correct |
20 ms |
24156 KB |
n=100 |
20 |
Correct |
20 ms |
24156 KB |
n=100 |
21 |
Correct |
20 ms |
24156 KB |
n=100 |
22 |
Correct |
20 ms |
24156 KB |
n=100 |
23 |
Correct |
20 ms |
24156 KB |
n=100 |
24 |
Correct |
20 ms |
24156 KB |
n=100 |
25 |
Correct |
21 ms |
24212 KB |
n=100 |
26 |
Correct |
24 ms |
24212 KB |
n=12 |
27 |
Correct |
20 ms |
24212 KB |
n=100 |
28 |
Correct |
22 ms |
24288 KB |
n=500 |
29 |
Correct |
21 ms |
24288 KB |
n=500 |
30 |
Correct |
21 ms |
24288 KB |
n=500 |
31 |
Correct |
21 ms |
24288 KB |
n=500 |
32 |
Correct |
24 ms |
24288 KB |
n=500 |
33 |
Correct |
21 ms |
24288 KB |
n=500 |
34 |
Correct |
22 ms |
24288 KB |
n=500 |
35 |
Correct |
21 ms |
24288 KB |
n=500 |
36 |
Correct |
20 ms |
24288 KB |
n=500 |
37 |
Correct |
19 ms |
24288 KB |
n=500 |
38 |
Correct |
21 ms |
24412 KB |
n=500 |
39 |
Correct |
20 ms |
24412 KB |
n=500 |
40 |
Correct |
21 ms |
24412 KB |
n=500 |
41 |
Correct |
20 ms |
24412 KB |
n=500 |
42 |
Correct |
21 ms |
24412 KB |
n=500 |
43 |
Correct |
21 ms |
24412 KB |
n=500 |
44 |
Correct |
21 ms |
24412 KB |
n=500 |
45 |
Correct |
22 ms |
24412 KB |
n=500 |
46 |
Correct |
21 ms |
24412 KB |
n=500 |
47 |
Correct |
20 ms |
24412 KB |
n=500 |
48 |
Correct |
22 ms |
24412 KB |
n=500 |
49 |
Correct |
20 ms |
24412 KB |
n=500 |
50 |
Correct |
22 ms |
24412 KB |
n=500 |
51 |
Correct |
21 ms |
24412 KB |
n=500 |
52 |
Correct |
21 ms |
24412 KB |
n=500 |
53 |
Correct |
21 ms |
24412 KB |
n=500 |
54 |
Correct |
25 ms |
24412 KB |
n=500 |
55 |
Correct |
21 ms |
24412 KB |
n=278 |
56 |
Correct |
20 ms |
24412 KB |
n=500 |
57 |
Correct |
19 ms |
24412 KB |
n=500 |
58 |
Correct |
22 ms |
24412 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
23928 KB |
n=5 |
2 |
Correct |
19 ms |
23928 KB |
n=100 |
3 |
Correct |
20 ms |
24068 KB |
n=100 |
4 |
Correct |
20 ms |
24068 KB |
n=100 |
5 |
Correct |
20 ms |
24068 KB |
n=100 |
6 |
Correct |
20 ms |
24140 KB |
n=100 |
7 |
Correct |
20 ms |
24140 KB |
n=100 |
8 |
Correct |
20 ms |
24140 KB |
n=100 |
9 |
Correct |
20 ms |
24140 KB |
n=100 |
10 |
Correct |
20 ms |
24140 KB |
n=100 |
11 |
Correct |
20 ms |
24140 KB |
n=100 |
12 |
Correct |
20 ms |
24140 KB |
n=100 |
13 |
Correct |
20 ms |
24140 KB |
n=100 |
14 |
Correct |
20 ms |
24140 KB |
n=100 |
15 |
Correct |
26 ms |
24140 KB |
n=100 |
16 |
Correct |
19 ms |
24156 KB |
n=100 |
17 |
Correct |
20 ms |
24156 KB |
n=100 |
18 |
Correct |
24 ms |
24156 KB |
n=100 |
19 |
Correct |
20 ms |
24156 KB |
n=100 |
20 |
Correct |
20 ms |
24156 KB |
n=100 |
21 |
Correct |
20 ms |
24156 KB |
n=100 |
22 |
Correct |
20 ms |
24156 KB |
n=100 |
23 |
Correct |
20 ms |
24156 KB |
n=100 |
24 |
Correct |
20 ms |
24156 KB |
n=100 |
25 |
Correct |
21 ms |
24212 KB |
n=100 |
26 |
Correct |
24 ms |
24212 KB |
n=12 |
27 |
Correct |
20 ms |
24212 KB |
n=100 |
28 |
Correct |
22 ms |
24288 KB |
n=500 |
29 |
Correct |
21 ms |
24288 KB |
n=500 |
30 |
Correct |
21 ms |
24288 KB |
n=500 |
31 |
Correct |
21 ms |
24288 KB |
n=500 |
32 |
Correct |
24 ms |
24288 KB |
n=500 |
33 |
Correct |
21 ms |
24288 KB |
n=500 |
34 |
Correct |
22 ms |
24288 KB |
n=500 |
35 |
Correct |
21 ms |
24288 KB |
n=500 |
36 |
Correct |
20 ms |
24288 KB |
n=500 |
37 |
Correct |
19 ms |
24288 KB |
n=500 |
38 |
Correct |
21 ms |
24412 KB |
n=500 |
39 |
Correct |
20 ms |
24412 KB |
n=500 |
40 |
Correct |
21 ms |
24412 KB |
n=500 |
41 |
Correct |
20 ms |
24412 KB |
n=500 |
42 |
Correct |
21 ms |
24412 KB |
n=500 |
43 |
Correct |
21 ms |
24412 KB |
n=500 |
44 |
Correct |
21 ms |
24412 KB |
n=500 |
45 |
Correct |
22 ms |
24412 KB |
n=500 |
46 |
Correct |
21 ms |
24412 KB |
n=500 |
47 |
Correct |
20 ms |
24412 KB |
n=500 |
48 |
Correct |
22 ms |
24412 KB |
n=500 |
49 |
Correct |
20 ms |
24412 KB |
n=500 |
50 |
Correct |
22 ms |
24412 KB |
n=500 |
51 |
Correct |
21 ms |
24412 KB |
n=500 |
52 |
Correct |
21 ms |
24412 KB |
n=500 |
53 |
Correct |
21 ms |
24412 KB |
n=500 |
54 |
Correct |
25 ms |
24412 KB |
n=500 |
55 |
Correct |
21 ms |
24412 KB |
n=278 |
56 |
Correct |
20 ms |
24412 KB |
n=500 |
57 |
Correct |
19 ms |
24412 KB |
n=500 |
58 |
Correct |
22 ms |
24412 KB |
n=500 |
59 |
Correct |
46 ms |
24540 KB |
n=2000 |
60 |
Correct |
23 ms |
24724 KB |
n=2000 |
61 |
Correct |
24 ms |
24724 KB |
n=2000 |
62 |
Correct |
23 ms |
24724 KB |
n=2000 |
63 |
Correct |
59 ms |
24724 KB |
n=2000 |
64 |
Correct |
23 ms |
24724 KB |
n=2000 |
65 |
Correct |
63 ms |
24724 KB |
n=2000 |
66 |
Correct |
23 ms |
24732 KB |
n=2000 |
67 |
Correct |
38 ms |
24732 KB |
n=2000 |
68 |
Correct |
24 ms |
24756 KB |
n=2000 |
69 |
Correct |
23 ms |
24756 KB |
n=2000 |
70 |
Correct |
22 ms |
24756 KB |
n=2000 |
71 |
Correct |
22 ms |
24756 KB |
n=2000 |
72 |
Correct |
24 ms |
24756 KB |
n=2000 |
73 |
Correct |
22 ms |
24756 KB |
n=2000 |
74 |
Correct |
44 ms |
24756 KB |
n=1844 |
75 |
Correct |
22 ms |
24756 KB |
n=2000 |
76 |
Correct |
25 ms |
24756 KB |
n=2000 |
77 |
Correct |
24 ms |
24756 KB |
n=2000 |
78 |
Correct |
24 ms |
24756 KB |
n=2000 |
79 |
Correct |
38 ms |
24756 KB |
n=2000 |
80 |
Correct |
24 ms |
24756 KB |
n=2000 |
81 |
Correct |
24 ms |
24756 KB |
n=2000 |
82 |
Correct |
41 ms |
24756 KB |
n=2000 |
83 |
Correct |
23 ms |
24756 KB |
n=2000 |
84 |
Correct |
23 ms |
24756 KB |
n=2000 |
85 |
Correct |
24 ms |
24756 KB |
n=2000 |
86 |
Correct |
23 ms |
24756 KB |
n=2000 |
87 |
Correct |
23 ms |
24756 KB |
n=2000 |
88 |
Correct |
24 ms |
24756 KB |
n=2000 |
89 |
Correct |
23 ms |
24756 KB |
n=2000 |
90 |
Correct |
24 ms |
24756 KB |
n=2000 |
91 |
Correct |
26 ms |
24756 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
19 ms |
23928 KB |
n=5 |
2 |
Correct |
19 ms |
23928 KB |
n=100 |
3 |
Correct |
20 ms |
24068 KB |
n=100 |
4 |
Correct |
20 ms |
24068 KB |
n=100 |
5 |
Correct |
20 ms |
24068 KB |
n=100 |
6 |
Correct |
20 ms |
24140 KB |
n=100 |
7 |
Correct |
20 ms |
24140 KB |
n=100 |
8 |
Correct |
20 ms |
24140 KB |
n=100 |
9 |
Correct |
20 ms |
24140 KB |
n=100 |
10 |
Correct |
20 ms |
24140 KB |
n=100 |
11 |
Correct |
20 ms |
24140 KB |
n=100 |
12 |
Correct |
20 ms |
24140 KB |
n=100 |
13 |
Correct |
20 ms |
24140 KB |
n=100 |
14 |
Correct |
20 ms |
24140 KB |
n=100 |
15 |
Correct |
26 ms |
24140 KB |
n=100 |
16 |
Correct |
19 ms |
24156 KB |
n=100 |
17 |
Correct |
20 ms |
24156 KB |
n=100 |
18 |
Correct |
24 ms |
24156 KB |
n=100 |
19 |
Correct |
20 ms |
24156 KB |
n=100 |
20 |
Correct |
20 ms |
24156 KB |
n=100 |
21 |
Correct |
20 ms |
24156 KB |
n=100 |
22 |
Correct |
20 ms |
24156 KB |
n=100 |
23 |
Correct |
20 ms |
24156 KB |
n=100 |
24 |
Correct |
20 ms |
24156 KB |
n=100 |
25 |
Correct |
21 ms |
24212 KB |
n=100 |
26 |
Correct |
24 ms |
24212 KB |
n=12 |
27 |
Correct |
20 ms |
24212 KB |
n=100 |
28 |
Correct |
22 ms |
24288 KB |
n=500 |
29 |
Correct |
21 ms |
24288 KB |
n=500 |
30 |
Correct |
21 ms |
24288 KB |
n=500 |
31 |
Correct |
21 ms |
24288 KB |
n=500 |
32 |
Correct |
24 ms |
24288 KB |
n=500 |
33 |
Correct |
21 ms |
24288 KB |
n=500 |
34 |
Correct |
22 ms |
24288 KB |
n=500 |
35 |
Correct |
21 ms |
24288 KB |
n=500 |
36 |
Correct |
20 ms |
24288 KB |
n=500 |
37 |
Correct |
19 ms |
24288 KB |
n=500 |
38 |
Correct |
21 ms |
24412 KB |
n=500 |
39 |
Correct |
20 ms |
24412 KB |
n=500 |
40 |
Correct |
21 ms |
24412 KB |
n=500 |
41 |
Correct |
20 ms |
24412 KB |
n=500 |
42 |
Correct |
21 ms |
24412 KB |
n=500 |
43 |
Correct |
21 ms |
24412 KB |
n=500 |
44 |
Correct |
21 ms |
24412 KB |
n=500 |
45 |
Correct |
22 ms |
24412 KB |
n=500 |
46 |
Correct |
21 ms |
24412 KB |
n=500 |
47 |
Correct |
20 ms |
24412 KB |
n=500 |
48 |
Correct |
22 ms |
24412 KB |
n=500 |
49 |
Correct |
20 ms |
24412 KB |
n=500 |
50 |
Correct |
22 ms |
24412 KB |
n=500 |
51 |
Correct |
21 ms |
24412 KB |
n=500 |
52 |
Correct |
21 ms |
24412 KB |
n=500 |
53 |
Correct |
21 ms |
24412 KB |
n=500 |
54 |
Correct |
25 ms |
24412 KB |
n=500 |
55 |
Correct |
21 ms |
24412 KB |
n=278 |
56 |
Correct |
20 ms |
24412 KB |
n=500 |
57 |
Correct |
19 ms |
24412 KB |
n=500 |
58 |
Correct |
22 ms |
24412 KB |
n=500 |
59 |
Correct |
46 ms |
24540 KB |
n=2000 |
60 |
Correct |
23 ms |
24724 KB |
n=2000 |
61 |
Correct |
24 ms |
24724 KB |
n=2000 |
62 |
Correct |
23 ms |
24724 KB |
n=2000 |
63 |
Correct |
59 ms |
24724 KB |
n=2000 |
64 |
Correct |
23 ms |
24724 KB |
n=2000 |
65 |
Correct |
63 ms |
24724 KB |
n=2000 |
66 |
Correct |
23 ms |
24732 KB |
n=2000 |
67 |
Correct |
38 ms |
24732 KB |
n=2000 |
68 |
Correct |
24 ms |
24756 KB |
n=2000 |
69 |
Correct |
23 ms |
24756 KB |
n=2000 |
70 |
Correct |
22 ms |
24756 KB |
n=2000 |
71 |
Correct |
22 ms |
24756 KB |
n=2000 |
72 |
Correct |
24 ms |
24756 KB |
n=2000 |
73 |
Correct |
22 ms |
24756 KB |
n=2000 |
74 |
Correct |
44 ms |
24756 KB |
n=1844 |
75 |
Correct |
22 ms |
24756 KB |
n=2000 |
76 |
Correct |
25 ms |
24756 KB |
n=2000 |
77 |
Correct |
24 ms |
24756 KB |
n=2000 |
78 |
Correct |
24 ms |
24756 KB |
n=2000 |
79 |
Correct |
38 ms |
24756 KB |
n=2000 |
80 |
Correct |
24 ms |
24756 KB |
n=2000 |
81 |
Correct |
24 ms |
24756 KB |
n=2000 |
82 |
Correct |
41 ms |
24756 KB |
n=2000 |
83 |
Correct |
23 ms |
24756 KB |
n=2000 |
84 |
Correct |
23 ms |
24756 KB |
n=2000 |
85 |
Correct |
24 ms |
24756 KB |
n=2000 |
86 |
Correct |
23 ms |
24756 KB |
n=2000 |
87 |
Correct |
23 ms |
24756 KB |
n=2000 |
88 |
Correct |
24 ms |
24756 KB |
n=2000 |
89 |
Correct |
23 ms |
24756 KB |
n=2000 |
90 |
Correct |
24 ms |
24756 KB |
n=2000 |
91 |
Correct |
26 ms |
24756 KB |
n=2000 |
92 |
Execution timed out |
4059 ms |
67540 KB |
Time limit exceeded |
93 |
Halted |
0 ms |
0 KB |
- |