#include<bits/stdc++.h>
#define ll int
#define f first
#define s second
#define pb push_back
using namespace std;
ll in[200020],l,r,n,m,xx,yy,q,a[200020],type,pa;
ll out[200020];
ll timer=1;
ll P[200020][18];
vector<ll>v[200005],g;
void dfs(int p,int u) {
P[u][0]=p;
for (int i=1;i<=17;i++)
P[u][i]=P[P[u][i-1]][i-1];
timer++;
in[u]=timer;
for (int i=0;i<v[u].size();i++)
if (v[u][i] != p){
dfs(u,v[u][i]);
}
out[u]=timer;
}
int lca(int a,int b) {
if (in[a] <= in[b] && out[b] <= out[a]) return a;
for (int i=17;i>=0;i--)
if (P[a][i])
if (!(in[P[a][i]] <= in[b] && out[b] <= out[P[a][i]]))
a=P[a][i];
return P[a][0];
}
set<ll>st[200005],st1[200005],st2[200005];
int main(){
cin >> n >> m >> q;
for(int i=1; i<n; i++){
cin >> xx >> yy;
v[xx].pb(yy);
v[yy].pb(xx);
}
dfs(1,1);
for(int i=1; i<=m; i++){
cin >> a[i];
}
for(int i=1; i<=m; i++){
xx = i;
yy = a[i];
st[yy].insert(xx);
if(xx != 1){
ll pp = lca(a[xx],a[xx-1]);
pp = lca(yy,a[xx-1]);
st1[pp].insert(xx-1);
}
if(xx != m){
ll pp = lca(a[xx],a[xx+1]);
pp = lca(yy,a[xx+1]);
st2[pp].insert(xx+1);
}
a[xx] = yy;
}
while(q--){
cin >> type;
if(type == 1){
cin >> xx >> yy;
st[a[xx]].erase(st[a[xx]].find(xx));
st[yy].insert(xx);
if(xx != m){
ll pp = lca(a[xx],a[xx+1]);
st1[pp].erase(st1[pp].find(xx));
pp = lca(yy,a[xx+1]);
st1[pp].insert(xx);
}
if(xx != 1){
ll pp = lca(a[xx],a[xx-1]);
st1[pp].erase(st1[pp].find(xx-1));
pp = lca(yy,a[xx-1]);
st1[pp].insert(xx-1);
}
a[xx] = yy;
}
else {
cin >> l >> r >> pa;
if(st[pa].lower_bound(l) != st[pa].end()){
if(*(st[pa].lower_bound(l)) <= r){
cout << *(st[pa].lower_bound(l)) << " " << *(st[pa].lower_bound(l)) << endl;
continue;
}
}
if(st1[pa].lower_bound(l) != st1[pa].end()){
if(*(st1[pa].lower_bound(l)) < r){
cout << *(st1[pa].lower_bound(l))<< " " << *(st1[pa].lower_bound(l)) + 1<< endl;
continue;
}
}
cout <<"-1 -1\n";
}
}
return 0;
}
Compilation message
treearray.cpp: In function 'void dfs(int, int)':
treearray.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i=0;i<v[u].size();i++)
~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
33244 KB |
n=5 |
2 |
Correct |
26 ms |
33276 KB |
n=100 |
3 |
Correct |
27 ms |
33352 KB |
n=100 |
4 |
Correct |
27 ms |
33372 KB |
n=100 |
5 |
Correct |
27 ms |
33452 KB |
n=100 |
6 |
Correct |
26 ms |
33484 KB |
n=100 |
7 |
Correct |
27 ms |
33484 KB |
n=100 |
8 |
Correct |
27 ms |
33536 KB |
n=100 |
9 |
Correct |
27 ms |
33540 KB |
n=100 |
10 |
Correct |
32 ms |
33672 KB |
n=100 |
11 |
Correct |
26 ms |
33672 KB |
n=100 |
12 |
Correct |
26 ms |
33672 KB |
n=100 |
13 |
Correct |
31 ms |
33672 KB |
n=100 |
14 |
Correct |
31 ms |
33672 KB |
n=100 |
15 |
Correct |
26 ms |
33672 KB |
n=100 |
16 |
Correct |
26 ms |
33672 KB |
n=100 |
17 |
Correct |
31 ms |
33672 KB |
n=100 |
18 |
Correct |
31 ms |
33672 KB |
n=100 |
19 |
Correct |
31 ms |
33672 KB |
n=100 |
20 |
Correct |
31 ms |
33672 KB |
n=100 |
21 |
Correct |
32 ms |
33672 KB |
n=100 |
22 |
Correct |
27 ms |
33672 KB |
n=100 |
23 |
Correct |
32 ms |
33672 KB |
n=100 |
24 |
Correct |
27 ms |
33672 KB |
n=100 |
25 |
Correct |
27 ms |
33672 KB |
n=100 |
26 |
Correct |
26 ms |
33672 KB |
n=12 |
27 |
Correct |
28 ms |
33672 KB |
n=100 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
33244 KB |
n=5 |
2 |
Correct |
26 ms |
33276 KB |
n=100 |
3 |
Correct |
27 ms |
33352 KB |
n=100 |
4 |
Correct |
27 ms |
33372 KB |
n=100 |
5 |
Correct |
27 ms |
33452 KB |
n=100 |
6 |
Correct |
26 ms |
33484 KB |
n=100 |
7 |
Correct |
27 ms |
33484 KB |
n=100 |
8 |
Correct |
27 ms |
33536 KB |
n=100 |
9 |
Correct |
27 ms |
33540 KB |
n=100 |
10 |
Correct |
32 ms |
33672 KB |
n=100 |
11 |
Correct |
26 ms |
33672 KB |
n=100 |
12 |
Correct |
26 ms |
33672 KB |
n=100 |
13 |
Correct |
31 ms |
33672 KB |
n=100 |
14 |
Correct |
31 ms |
33672 KB |
n=100 |
15 |
Correct |
26 ms |
33672 KB |
n=100 |
16 |
Correct |
26 ms |
33672 KB |
n=100 |
17 |
Correct |
31 ms |
33672 KB |
n=100 |
18 |
Correct |
31 ms |
33672 KB |
n=100 |
19 |
Correct |
31 ms |
33672 KB |
n=100 |
20 |
Correct |
31 ms |
33672 KB |
n=100 |
21 |
Correct |
32 ms |
33672 KB |
n=100 |
22 |
Correct |
27 ms |
33672 KB |
n=100 |
23 |
Correct |
32 ms |
33672 KB |
n=100 |
24 |
Correct |
27 ms |
33672 KB |
n=100 |
25 |
Correct |
27 ms |
33672 KB |
n=100 |
26 |
Correct |
26 ms |
33672 KB |
n=12 |
27 |
Correct |
28 ms |
33672 KB |
n=100 |
28 |
Correct |
28 ms |
33672 KB |
n=500 |
29 |
Correct |
33 ms |
33748 KB |
n=500 |
30 |
Correct |
33 ms |
33764 KB |
n=500 |
31 |
Correct |
33 ms |
33780 KB |
n=500 |
32 |
Correct |
33 ms |
33780 KB |
n=500 |
33 |
Correct |
35 ms |
33808 KB |
n=500 |
34 |
Correct |
32 ms |
33808 KB |
n=500 |
35 |
Correct |
33 ms |
33836 KB |
n=500 |
36 |
Correct |
33 ms |
33852 KB |
n=500 |
37 |
Correct |
30 ms |
33852 KB |
n=500 |
38 |
Correct |
28 ms |
33876 KB |
n=500 |
39 |
Correct |
29 ms |
33888 KB |
n=500 |
40 |
Correct |
42 ms |
33904 KB |
n=500 |
41 |
Correct |
33 ms |
33920 KB |
n=500 |
42 |
Correct |
29 ms |
33920 KB |
n=500 |
43 |
Correct |
33 ms |
33920 KB |
n=500 |
44 |
Correct |
34 ms |
33940 KB |
n=500 |
45 |
Correct |
33 ms |
33940 KB |
n=500 |
46 |
Correct |
28 ms |
33984 KB |
n=500 |
47 |
Correct |
28 ms |
34000 KB |
n=500 |
48 |
Correct |
27 ms |
34016 KB |
n=500 |
49 |
Correct |
28 ms |
34024 KB |
n=500 |
50 |
Correct |
28 ms |
34044 KB |
n=500 |
51 |
Correct |
28 ms |
34056 KB |
n=500 |
52 |
Correct |
28 ms |
34076 KB |
n=500 |
53 |
Correct |
28 ms |
34088 KB |
n=500 |
54 |
Correct |
28 ms |
34104 KB |
n=500 |
55 |
Correct |
27 ms |
34104 KB |
n=278 |
56 |
Correct |
28 ms |
34124 KB |
n=500 |
57 |
Correct |
28 ms |
34136 KB |
n=500 |
58 |
Correct |
30 ms |
34148 KB |
n=500 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
33244 KB |
n=5 |
2 |
Correct |
26 ms |
33276 KB |
n=100 |
3 |
Correct |
27 ms |
33352 KB |
n=100 |
4 |
Correct |
27 ms |
33372 KB |
n=100 |
5 |
Correct |
27 ms |
33452 KB |
n=100 |
6 |
Correct |
26 ms |
33484 KB |
n=100 |
7 |
Correct |
27 ms |
33484 KB |
n=100 |
8 |
Correct |
27 ms |
33536 KB |
n=100 |
9 |
Correct |
27 ms |
33540 KB |
n=100 |
10 |
Correct |
32 ms |
33672 KB |
n=100 |
11 |
Correct |
26 ms |
33672 KB |
n=100 |
12 |
Correct |
26 ms |
33672 KB |
n=100 |
13 |
Correct |
31 ms |
33672 KB |
n=100 |
14 |
Correct |
31 ms |
33672 KB |
n=100 |
15 |
Correct |
26 ms |
33672 KB |
n=100 |
16 |
Correct |
26 ms |
33672 KB |
n=100 |
17 |
Correct |
31 ms |
33672 KB |
n=100 |
18 |
Correct |
31 ms |
33672 KB |
n=100 |
19 |
Correct |
31 ms |
33672 KB |
n=100 |
20 |
Correct |
31 ms |
33672 KB |
n=100 |
21 |
Correct |
32 ms |
33672 KB |
n=100 |
22 |
Correct |
27 ms |
33672 KB |
n=100 |
23 |
Correct |
32 ms |
33672 KB |
n=100 |
24 |
Correct |
27 ms |
33672 KB |
n=100 |
25 |
Correct |
27 ms |
33672 KB |
n=100 |
26 |
Correct |
26 ms |
33672 KB |
n=12 |
27 |
Correct |
28 ms |
33672 KB |
n=100 |
28 |
Correct |
28 ms |
33672 KB |
n=500 |
29 |
Correct |
33 ms |
33748 KB |
n=500 |
30 |
Correct |
33 ms |
33764 KB |
n=500 |
31 |
Correct |
33 ms |
33780 KB |
n=500 |
32 |
Correct |
33 ms |
33780 KB |
n=500 |
33 |
Correct |
35 ms |
33808 KB |
n=500 |
34 |
Correct |
32 ms |
33808 KB |
n=500 |
35 |
Correct |
33 ms |
33836 KB |
n=500 |
36 |
Correct |
33 ms |
33852 KB |
n=500 |
37 |
Correct |
30 ms |
33852 KB |
n=500 |
38 |
Correct |
28 ms |
33876 KB |
n=500 |
39 |
Correct |
29 ms |
33888 KB |
n=500 |
40 |
Correct |
42 ms |
33904 KB |
n=500 |
41 |
Correct |
33 ms |
33920 KB |
n=500 |
42 |
Correct |
29 ms |
33920 KB |
n=500 |
43 |
Correct |
33 ms |
33920 KB |
n=500 |
44 |
Correct |
34 ms |
33940 KB |
n=500 |
45 |
Correct |
33 ms |
33940 KB |
n=500 |
46 |
Correct |
28 ms |
33984 KB |
n=500 |
47 |
Correct |
28 ms |
34000 KB |
n=500 |
48 |
Correct |
27 ms |
34016 KB |
n=500 |
49 |
Correct |
28 ms |
34024 KB |
n=500 |
50 |
Correct |
28 ms |
34044 KB |
n=500 |
51 |
Correct |
28 ms |
34056 KB |
n=500 |
52 |
Correct |
28 ms |
34076 KB |
n=500 |
53 |
Correct |
28 ms |
34088 KB |
n=500 |
54 |
Correct |
28 ms |
34104 KB |
n=500 |
55 |
Correct |
27 ms |
34104 KB |
n=278 |
56 |
Correct |
28 ms |
34124 KB |
n=500 |
57 |
Correct |
28 ms |
34136 KB |
n=500 |
58 |
Correct |
30 ms |
34148 KB |
n=500 |
59 |
Correct |
33 ms |
34548 KB |
n=2000 |
60 |
Correct |
34 ms |
34728 KB |
n=2000 |
61 |
Correct |
38 ms |
34728 KB |
n=2000 |
62 |
Correct |
39 ms |
34728 KB |
n=2000 |
63 |
Correct |
40 ms |
34728 KB |
n=2000 |
64 |
Correct |
40 ms |
34828 KB |
n=2000 |
65 |
Correct |
39 ms |
34900 KB |
n=2000 |
66 |
Correct |
40 ms |
34968 KB |
n=2000 |
67 |
Correct |
40 ms |
35040 KB |
n=2000 |
68 |
Correct |
39 ms |
35096 KB |
n=2000 |
69 |
Correct |
35 ms |
35172 KB |
n=2000 |
70 |
Correct |
35 ms |
35204 KB |
n=2000 |
71 |
Correct |
35 ms |
35260 KB |
n=2000 |
72 |
Correct |
35 ms |
35308 KB |
n=2000 |
73 |
Correct |
35 ms |
35364 KB |
n=2000 |
74 |
Correct |
34 ms |
35420 KB |
n=1844 |
75 |
Correct |
34 ms |
35464 KB |
n=2000 |
76 |
Correct |
41 ms |
35564 KB |
n=2000 |
77 |
Correct |
40 ms |
35612 KB |
n=2000 |
78 |
Correct |
39 ms |
35624 KB |
n=2000 |
79 |
Correct |
39 ms |
35680 KB |
n=2000 |
80 |
Correct |
39 ms |
35808 KB |
n=2000 |
81 |
Correct |
40 ms |
35808 KB |
n=2000 |
82 |
Correct |
40 ms |
35808 KB |
n=2000 |
83 |
Correct |
41 ms |
35884 KB |
n=2000 |
84 |
Correct |
40 ms |
35940 KB |
n=2000 |
85 |
Correct |
40 ms |
36068 KB |
n=2000 |
86 |
Correct |
40 ms |
36068 KB |
n=2000 |
87 |
Correct |
39 ms |
36108 KB |
n=2000 |
88 |
Correct |
38 ms |
36284 KB |
n=2000 |
89 |
Correct |
34 ms |
36332 KB |
n=2000 |
90 |
Correct |
34 ms |
36388 KB |
n=2000 |
91 |
Correct |
35 ms |
36388 KB |
n=2000 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
33244 KB |
n=5 |
2 |
Correct |
26 ms |
33276 KB |
n=100 |
3 |
Correct |
27 ms |
33352 KB |
n=100 |
4 |
Correct |
27 ms |
33372 KB |
n=100 |
5 |
Correct |
27 ms |
33452 KB |
n=100 |
6 |
Correct |
26 ms |
33484 KB |
n=100 |
7 |
Correct |
27 ms |
33484 KB |
n=100 |
8 |
Correct |
27 ms |
33536 KB |
n=100 |
9 |
Correct |
27 ms |
33540 KB |
n=100 |
10 |
Correct |
32 ms |
33672 KB |
n=100 |
11 |
Correct |
26 ms |
33672 KB |
n=100 |
12 |
Correct |
26 ms |
33672 KB |
n=100 |
13 |
Correct |
31 ms |
33672 KB |
n=100 |
14 |
Correct |
31 ms |
33672 KB |
n=100 |
15 |
Correct |
26 ms |
33672 KB |
n=100 |
16 |
Correct |
26 ms |
33672 KB |
n=100 |
17 |
Correct |
31 ms |
33672 KB |
n=100 |
18 |
Correct |
31 ms |
33672 KB |
n=100 |
19 |
Correct |
31 ms |
33672 KB |
n=100 |
20 |
Correct |
31 ms |
33672 KB |
n=100 |
21 |
Correct |
32 ms |
33672 KB |
n=100 |
22 |
Correct |
27 ms |
33672 KB |
n=100 |
23 |
Correct |
32 ms |
33672 KB |
n=100 |
24 |
Correct |
27 ms |
33672 KB |
n=100 |
25 |
Correct |
27 ms |
33672 KB |
n=100 |
26 |
Correct |
26 ms |
33672 KB |
n=12 |
27 |
Correct |
28 ms |
33672 KB |
n=100 |
28 |
Correct |
28 ms |
33672 KB |
n=500 |
29 |
Correct |
33 ms |
33748 KB |
n=500 |
30 |
Correct |
33 ms |
33764 KB |
n=500 |
31 |
Correct |
33 ms |
33780 KB |
n=500 |
32 |
Correct |
33 ms |
33780 KB |
n=500 |
33 |
Correct |
35 ms |
33808 KB |
n=500 |
34 |
Correct |
32 ms |
33808 KB |
n=500 |
35 |
Correct |
33 ms |
33836 KB |
n=500 |
36 |
Correct |
33 ms |
33852 KB |
n=500 |
37 |
Correct |
30 ms |
33852 KB |
n=500 |
38 |
Correct |
28 ms |
33876 KB |
n=500 |
39 |
Correct |
29 ms |
33888 KB |
n=500 |
40 |
Correct |
42 ms |
33904 KB |
n=500 |
41 |
Correct |
33 ms |
33920 KB |
n=500 |
42 |
Correct |
29 ms |
33920 KB |
n=500 |
43 |
Correct |
33 ms |
33920 KB |
n=500 |
44 |
Correct |
34 ms |
33940 KB |
n=500 |
45 |
Correct |
33 ms |
33940 KB |
n=500 |
46 |
Correct |
28 ms |
33984 KB |
n=500 |
47 |
Correct |
28 ms |
34000 KB |
n=500 |
48 |
Correct |
27 ms |
34016 KB |
n=500 |
49 |
Correct |
28 ms |
34024 KB |
n=500 |
50 |
Correct |
28 ms |
34044 KB |
n=500 |
51 |
Correct |
28 ms |
34056 KB |
n=500 |
52 |
Correct |
28 ms |
34076 KB |
n=500 |
53 |
Correct |
28 ms |
34088 KB |
n=500 |
54 |
Correct |
28 ms |
34104 KB |
n=500 |
55 |
Correct |
27 ms |
34104 KB |
n=278 |
56 |
Correct |
28 ms |
34124 KB |
n=500 |
57 |
Correct |
28 ms |
34136 KB |
n=500 |
58 |
Correct |
30 ms |
34148 KB |
n=500 |
59 |
Correct |
33 ms |
34548 KB |
n=2000 |
60 |
Correct |
34 ms |
34728 KB |
n=2000 |
61 |
Correct |
38 ms |
34728 KB |
n=2000 |
62 |
Correct |
39 ms |
34728 KB |
n=2000 |
63 |
Correct |
40 ms |
34728 KB |
n=2000 |
64 |
Correct |
40 ms |
34828 KB |
n=2000 |
65 |
Correct |
39 ms |
34900 KB |
n=2000 |
66 |
Correct |
40 ms |
34968 KB |
n=2000 |
67 |
Correct |
40 ms |
35040 KB |
n=2000 |
68 |
Correct |
39 ms |
35096 KB |
n=2000 |
69 |
Correct |
35 ms |
35172 KB |
n=2000 |
70 |
Correct |
35 ms |
35204 KB |
n=2000 |
71 |
Correct |
35 ms |
35260 KB |
n=2000 |
72 |
Correct |
35 ms |
35308 KB |
n=2000 |
73 |
Correct |
35 ms |
35364 KB |
n=2000 |
74 |
Correct |
34 ms |
35420 KB |
n=1844 |
75 |
Correct |
34 ms |
35464 KB |
n=2000 |
76 |
Correct |
41 ms |
35564 KB |
n=2000 |
77 |
Correct |
40 ms |
35612 KB |
n=2000 |
78 |
Correct |
39 ms |
35624 KB |
n=2000 |
79 |
Correct |
39 ms |
35680 KB |
n=2000 |
80 |
Correct |
39 ms |
35808 KB |
n=2000 |
81 |
Correct |
40 ms |
35808 KB |
n=2000 |
82 |
Correct |
40 ms |
35808 KB |
n=2000 |
83 |
Correct |
41 ms |
35884 KB |
n=2000 |
84 |
Correct |
40 ms |
35940 KB |
n=2000 |
85 |
Correct |
40 ms |
36068 KB |
n=2000 |
86 |
Correct |
40 ms |
36068 KB |
n=2000 |
87 |
Correct |
39 ms |
36108 KB |
n=2000 |
88 |
Correct |
38 ms |
36284 KB |
n=2000 |
89 |
Correct |
34 ms |
36332 KB |
n=2000 |
90 |
Correct |
34 ms |
36388 KB |
n=2000 |
91 |
Correct |
35 ms |
36388 KB |
n=2000 |
92 |
Correct |
1590 ms |
90520 KB |
n=200000 |
93 |
Correct |
2170 ms |
96732 KB |
n=200000 |
94 |
Correct |
2092 ms |
100472 KB |
n=200000 |
95 |
Correct |
1584 ms |
100472 KB |
n=200000 |
96 |
Correct |
1539 ms |
100472 KB |
n=200000 |
97 |
Correct |
2215 ms |
100472 KB |
n=200000 |
98 |
Correct |
1515 ms |
100472 KB |
n=200000 |
99 |
Correct |
1733 ms |
100472 KB |
n=200000 |
100 |
Correct |
1543 ms |
100472 KB |
n=200000 |
101 |
Correct |
1972 ms |
108296 KB |
n=200000 |
102 |
Correct |
1152 ms |
108296 KB |
n=200000 |
103 |
Correct |
1089 ms |
108296 KB |
n=200000 |
104 |
Correct |
1113 ms |
108296 KB |
n=200000 |
105 |
Correct |
1215 ms |
108296 KB |
n=200000 |
106 |
Correct |
1208 ms |
108296 KB |
n=200000 |
107 |
Correct |
1229 ms |
108296 KB |
n=200000 |
108 |
Correct |
1520 ms |
108296 KB |
n=200000 |
109 |
Correct |
1428 ms |
108296 KB |
n=200000 |
110 |
Correct |
1410 ms |
108296 KB |
n=200000 |
111 |
Correct |
1539 ms |
108296 KB |
n=200000 |
112 |
Correct |
1964 ms |
110124 KB |
n=200000 |
113 |
Correct |
1825 ms |
110124 KB |
n=200000 |
114 |
Correct |
1329 ms |
110124 KB |
n=200000 |
115 |
Correct |
2001 ms |
110124 KB |
n=200000 |
116 |
Correct |
1544 ms |
110124 KB |
n=200000 |
117 |
Correct |
1869 ms |
110388 KB |
n=200000 |
118 |
Correct |
2191 ms |
110388 KB |
n=200000 |
119 |
Correct |
1445 ms |
110388 KB |
n=200000 |
120 |
Correct |
1968 ms |
113044 KB |
n=200000 |
121 |
Correct |
1944 ms |
113044 KB |
n=200000 |
122 |
Correct |
1997 ms |
113384 KB |
n=200000 |
123 |
Correct |
1250 ms |
113384 KB |
n=200000 |
124 |
Correct |
539 ms |
113384 KB |
n=25264 |