oj.uz

Submission #836946

# Submission time Handle Problem Language Result Execution time Memory
836946 2023-08-24T17:48:40 Z damwuan Birthday gift (IZhO18_treearray) C++14
100 / 100
 811 ms 74572 KB 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define bit(n,i) ((n>>i)&1)
#define all(x) x.begin(),x.end()
//#pragma GCC optimize("O2,unroll-loops")
//#pragma GCC target("avx,avx2,bmi,bmi2,sse,sse2,sse3,ssse3,sse4,popcnt")
//#define int long long
typedef long long ll;
typedef pair<int,int> pii;
typedef double ld;
typedef pair<ld,ld> pdd;
typedef pair<ll,ll> pll;
const ll maxn=2e5+5;
const ll offset=1e9;
const ll block_sz=317;
const ll inf=1e9;
const ll mod=1e9+7;
int n,m,q,up[maxn][19],in[maxn],out[maxn],a[maxn],Time;
set<pii> L[maxn];
vector<int> adj[maxn];
void dfs(int u,int pre)
{
    in[u]=++Time;
    up[u][0]=pre;
    for1(i,1,18)
    {
        up[u][i]=up[up[u][i-1]][i-1];
    }
    for(int v: adj[u])
    {
        if (v==pre) continue;
        dfs(v,u);
    }
    out[u]=Time;
}
bool chk(int u,int v)
{
    return (in[u]<=in[v] && out[v]<=out[u]);
}
int lca(int u,int v)
{
    if (chk(u,v)) return u;
    if (chk(v,u)) return v;
    for2(i,18,0)
    {
        if (!chk(up[u][i],v)) u=up[u][i];
    }
    return up[u][0];
}
void sol()
{
    cin >> n>>m>>q;
    for1(i,2,n)
    {
        int u,v; cin >> u>> v;
        adj[u].pb(v);
        adj[v].pb(u);
    }
    dfs(1,1);
    //cerr<< chk(4,5)<<" wtf\n";
    for1(i,1,m)
    {
        cin >> a[i];
        L[a[i]].insert({i,i});
    }
    for1(i,1,m-1)
    {

        L[lca(a[i],a[i+1])].insert({i,i+1});
    }
    for1(i,1,q)
    {
        //cerr<< i<<'\n';
        int type; cin >> type;
        if (type==1)
        {
            int pos,u;cin >> pos>>u;
            L[a[pos]].erase({pos,pos});
            L[u].insert({pos,pos});
            if (pos>1)
            {
                L[lca(a[pos],a[pos-1])].erase({pos-1,pos});
                L[lca(u,a[pos-1])].insert({pos-1,pos});
            }
            if (pos<m)
            {
                L[lca(a[pos],a[pos+1])].erase({pos,pos+1});
                L[lca(u,a[pos+1])].insert({pos,pos+1});
            }
            a[pos]=u;
        }
        else
        {
            int l,r,u;cin >> l>> r>>u;
            auto it=L[u].lower_bound({l,l});
            if (it!=L[u].end() && it->se <=r) cout << it->fi << ' '<<it->se<<'\n';
            else cout << -1 << ' '<<-1<<'\n';
        }
    }

}
int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
//    freopen("GROUPDIV.inp","r",stdin);
//    freopen("GROUPDIV.out","w",stdout);

    int t=1;//cin >> t;
    while (t--)
    {
        sol();
    }
}
/*

5 4 4
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1

5 4 1
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
*/

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 7 ms 14420 KB n=100
5 Correct 7 ms 14420 KB n=100
6 Correct 8 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 8 ms 14416 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 7 ms 14420 KB n=100
11 Correct 7 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 7 ms 14420 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 7 ms 14420 KB n=100
16 Correct 7 ms 14420 KB n=100
17 Correct 7 ms 14420 KB n=100
18 Correct 7 ms 14420 KB n=100
19 Correct 7 ms 14420 KB n=100
20 Correct 9 ms 14544 KB n=100
21 Correct 7 ms 14420 KB n=100
22 Correct 8 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 8 ms 14420 KB n=100
25 Correct 7 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 7 ms 14420 KB n=100

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 7 ms 14420 KB n=100
5 Correct 7 ms 14420 KB n=100
6 Correct 8 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 8 ms 14416 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 7 ms 14420 KB n=100
11 Correct 7 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 7 ms 14420 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 7 ms 14420 KB n=100
16 Correct 7 ms 14420 KB n=100
17 Correct 7 ms 14420 KB n=100
18 Correct 7 ms 14420 KB n=100
19 Correct 7 ms 14420 KB n=100
20 Correct 9 ms 14544 KB n=100
21 Correct 7 ms 14420 KB n=100
22 Correct 8 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 8 ms 14420 KB n=100
25 Correct 7 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 7 ms 14420 KB n=100
28 Correct 7 ms 14548 KB n=500
29 Correct 8 ms 14548 KB n=500
30 Correct 7 ms 14560 KB n=500
31 Correct 9 ms 14564 KB n=500
32 Correct 7 ms 14548 KB n=500
33 Correct 8 ms 14548 KB n=500
34 Correct 8 ms 14548 KB n=500
35 Correct 8 ms 14548 KB n=500
36 Correct 7 ms 14548 KB n=500
37 Correct 7 ms 14548 KB n=500
38 Correct 8 ms 14548 KB n=500
39 Correct 7 ms 14548 KB n=500
40 Correct 9 ms 14548 KB n=500
41 Correct 7 ms 14548 KB n=500
42 Correct 8 ms 14548 KB n=500
43 Correct 8 ms 14548 KB n=500
44 Correct 7 ms 14548 KB n=500
45 Correct 7 ms 14548 KB n=500
46 Correct 7 ms 14548 KB n=500
47 Correct 7 ms 14548 KB n=500
48 Correct 7 ms 14548 KB n=500
49 Correct 8 ms 14572 KB n=500
50 Correct 10 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 8 ms 14548 KB n=500
53 Correct 9 ms 14564 KB n=500
54 Correct 7 ms 14548 KB n=500
55 Correct 7 ms 14420 KB n=278
56 Correct 7 ms 14548 KB n=500
57 Correct 7 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 7 ms 14420 KB n=100
5 Correct 7 ms 14420 KB n=100
6 Correct 8 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 8 ms 14416 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 7 ms 14420 KB n=100
11 Correct 7 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 7 ms 14420 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 7 ms 14420 KB n=100
16 Correct 7 ms 14420 KB n=100
17 Correct 7 ms 14420 KB n=100
18 Correct 7 ms 14420 KB n=100
19 Correct 7 ms 14420 KB n=100
20 Correct 9 ms 14544 KB n=100
21 Correct 7 ms 14420 KB n=100
22 Correct 8 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 8 ms 14420 KB n=100
25 Correct 7 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 7 ms 14420 KB n=100
28 Correct 7 ms 14548 KB n=500
29 Correct 8 ms 14548 KB n=500
30 Correct 7 ms 14560 KB n=500
31 Correct 9 ms 14564 KB n=500
32 Correct 7 ms 14548 KB n=500
33 Correct 8 ms 14548 KB n=500
34 Correct 8 ms 14548 KB n=500
35 Correct 8 ms 14548 KB n=500
36 Correct 7 ms 14548 KB n=500
37 Correct 7 ms 14548 KB n=500
38 Correct 8 ms 14548 KB n=500
39 Correct 7 ms 14548 KB n=500
40 Correct 9 ms 14548 KB n=500
41 Correct 7 ms 14548 KB n=500
42 Correct 8 ms 14548 KB n=500
43 Correct 8 ms 14548 KB n=500
44 Correct 7 ms 14548 KB n=500
45 Correct 7 ms 14548 KB n=500
46 Correct 7 ms 14548 KB n=500
47 Correct 7 ms 14548 KB n=500
48 Correct 7 ms 14548 KB n=500
49 Correct 8 ms 14572 KB n=500
50 Correct 10 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 8 ms 14548 KB n=500
53 Correct 9 ms 14564 KB n=500
54 Correct 7 ms 14548 KB n=500
55 Correct 7 ms 14420 KB n=278
56 Correct 7 ms 14548 KB n=500
57 Correct 7 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500
59 Correct 12 ms 14932 KB n=2000
60 Correct 9 ms 14932 KB n=2000
61 Correct 10 ms 14932 KB n=2000
62 Correct 10 ms 14932 KB n=2000
63 Correct 10 ms 14932 KB n=2000
64 Correct 10 ms 15016 KB n=2000
65 Correct 10 ms 14932 KB n=2000
66 Correct 9 ms 15060 KB n=2000
67 Correct 10 ms 14804 KB n=2000
68 Correct 9 ms 14932 KB n=2000
69 Correct 9 ms 14932 KB n=2000
70 Correct 10 ms 14932 KB n=2000
71 Correct 11 ms 14932 KB n=2000
72 Correct 9 ms 14804 KB n=2000
73 Correct 9 ms 14932 KB n=2000
74 Correct 9 ms 14804 KB n=1844
75 Correct 10 ms 14804 KB n=2000
76 Correct 10 ms 14804 KB n=2000
77 Correct 10 ms 14804 KB n=2000
78 Correct 10 ms 14928 KB n=2000
79 Correct 11 ms 14804 KB n=2000
80 Correct 9 ms 14932 KB n=2000
81 Correct 12 ms 14932 KB n=2000
82 Correct 10 ms 14804 KB n=2000
83 Correct 9 ms 14932 KB n=2000
84 Correct 10 ms 14804 KB n=2000
85 Correct 10 ms 14932 KB n=2000
86 Correct 12 ms 14900 KB n=2000
87 Correct 10 ms 14932 KB n=2000
88 Correct 9 ms 14932 KB n=2000
89 Correct 9 ms 14940 KB n=2000
90 Correct 10 ms 15056 KB n=2000
91 Correct 9 ms 14932 KB n=2000

Subtask #4
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14420 KB n=5
2 Correct 7 ms 14420 KB n=100
3 Correct 8 ms 14420 KB n=100
4 Correct 7 ms 14420 KB n=100
5 Correct 7 ms 14420 KB n=100
6 Correct 8 ms 14420 KB n=100
7 Correct 7 ms 14420 KB n=100
8 Correct 8 ms 14416 KB n=100
9 Correct 8 ms 14420 KB n=100
10 Correct 7 ms 14420 KB n=100
11 Correct 7 ms 14420 KB n=100
12 Correct 8 ms 14420 KB n=100
13 Correct 7 ms 14420 KB n=100
14 Correct 8 ms 14420 KB n=100
15 Correct 7 ms 14420 KB n=100
16 Correct 7 ms 14420 KB n=100
17 Correct 7 ms 14420 KB n=100
18 Correct 7 ms 14420 KB n=100
19 Correct 7 ms 14420 KB n=100
20 Correct 9 ms 14544 KB n=100
21 Correct 7 ms 14420 KB n=100
22 Correct 8 ms 14420 KB n=100
23 Correct 7 ms 14420 KB n=100
24 Correct 8 ms 14420 KB n=100
25 Correct 7 ms 14420 KB n=100
26 Correct 8 ms 14420 KB n=12
27 Correct 7 ms 14420 KB n=100
28 Correct 7 ms 14548 KB n=500
29 Correct 8 ms 14548 KB n=500
30 Correct 7 ms 14560 KB n=500
31 Correct 9 ms 14564 KB n=500
32 Correct 7 ms 14548 KB n=500
33 Correct 8 ms 14548 KB n=500
34 Correct 8 ms 14548 KB n=500
35 Correct 8 ms 14548 KB n=500
36 Correct 7 ms 14548 KB n=500
37 Correct 7 ms 14548 KB n=500
38 Correct 8 ms 14548 KB n=500
39 Correct 7 ms 14548 KB n=500
40 Correct 9 ms 14548 KB n=500
41 Correct 7 ms 14548 KB n=500
42 Correct 8 ms 14548 KB n=500
43 Correct 8 ms 14548 KB n=500
44 Correct 7 ms 14548 KB n=500
45 Correct 7 ms 14548 KB n=500
46 Correct 7 ms 14548 KB n=500
47 Correct 7 ms 14548 KB n=500
48 Correct 7 ms 14548 KB n=500
49 Correct 8 ms 14572 KB n=500
50 Correct 10 ms 14548 KB n=500
51 Correct 8 ms 14548 KB n=500
52 Correct 8 ms 14548 KB n=500
53 Correct 9 ms 14564 KB n=500
54 Correct 7 ms 14548 KB n=500
55 Correct 7 ms 14420 KB n=278
56 Correct 7 ms 14548 KB n=500
57 Correct 7 ms 14548 KB n=500
58 Correct 8 ms 14548 KB n=500
59 Correct 12 ms 14932 KB n=2000
60 Correct 9 ms 14932 KB n=2000
61 Correct 10 ms 14932 KB n=2000
62 Correct 10 ms 14932 KB n=2000
63 Correct 10 ms 14932 KB n=2000
64 Correct 10 ms 15016 KB n=2000
65 Correct 10 ms 14932 KB n=2000
66 Correct 9 ms 15060 KB n=2000
67 Correct 10 ms 14804 KB n=2000
68 Correct 9 ms 14932 KB n=2000
69 Correct 9 ms 14932 KB n=2000
70 Correct 10 ms 14932 KB n=2000
71 Correct 11 ms 14932 KB n=2000
72 Correct 9 ms 14804 KB n=2000
73 Correct 9 ms 14932 KB n=2000
74 Correct 9 ms 14804 KB n=1844
75 Correct 10 ms 14804 KB n=2000
76 Correct 10 ms 14804 KB n=2000
77 Correct 10 ms 14804 KB n=2000
78 Correct 10 ms 14928 KB n=2000
79 Correct 11 ms 14804 KB n=2000
80 Correct 9 ms 14932 KB n=2000
81 Correct 12 ms 14932 KB n=2000
82 Correct 10 ms 14804 KB n=2000
83 Correct 9 ms 14932 KB n=2000
84 Correct 10 ms 14804 KB n=2000
85 Correct 10 ms 14932 KB n=2000
86 Correct 12 ms 14900 KB n=2000
87 Correct 10 ms 14932 KB n=2000
88 Correct 9 ms 14932 KB n=2000
89 Correct 9 ms 14940 KB n=2000
90 Correct 10 ms 15056 KB n=2000
91 Correct 9 ms 14932 KB n=2000
92 Correct 552 ms 65184 KB n=200000
93 Correct 681 ms 70056 KB n=200000
94 Correct 480 ms 73376 KB n=200000
95 Correct 555 ms 64868 KB n=200000
96 Correct 545 ms 64976 KB n=200000
97 Correct 722 ms 69068 KB n=200000
98 Correct 540 ms 64944 KB n=200000
99 Correct 629 ms 65244 KB n=200000
100 Correct 528 ms 64964 KB n=200000
101 Correct 394 ms 74572 KB n=200000
102 Correct 317 ms 66168 KB n=200000
103 Correct 315 ms 66160 KB n=200000
104 Correct 319 ms 66164 KB n=200000
105 Correct 322 ms 66508 KB n=200000
106 Correct 306 ms 66604 KB n=200000
107 Correct 316 ms 66572 KB n=200000
108 Correct 605 ms 65044 KB n=200000
109 Correct 556 ms 65076 KB n=200000
110 Correct 549 ms 64952 KB n=200000
111 Correct 556 ms 64400 KB n=200000
112 Correct 448 ms 73552 KB n=200000
113 Correct 715 ms 69076 KB n=200000
114 Correct 570 ms 64412 KB n=200000
115 Correct 811 ms 67000 KB n=200000
116 Correct 517 ms 65036 KB n=200000
117 Correct 422 ms 73944 KB n=200000
118 Correct 684 ms 67888 KB n=200000
119 Correct 532 ms 65224 KB n=200000
120 Correct 380 ms 73700 KB n=200000
121 Correct 395 ms 73640 KB n=200000
122 Correct 368 ms 73980 KB n=200000
123 Correct 333 ms 66316 KB n=200000
124 Correct 121 ms 29244 KB n=25264