1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define ROF(i, a, b) for (int i = (a); i >= (b); --i)
#define all(x) x.begin(),x.end()
#define CLR(i,a) memset(i,a,sizeof(i))
#define fi first
#define se second
#define pb push_back
#define SZ(a) ((int) a.size())
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll> pll;
typedef array<ll,3> arr;
typedef double DB;
typedef pair<DB,DB> pdd;
typedef pair<ll,bool> plb;
constexpr ll MAXN=static_cast<ll>(1e6)+10,INF=static_cast<ll>(5e18)+3;
ll N,M,T,A[MAXN],B[MAXN];
inline void solve(){
cin>>N>>M;
FOR(i,1,N){
cin>>A[i];
}
FOR(i,1,M){
cin>>B[i];
}
vector<ll> seq;
ll idx=1;
FOR(i,1,N){
if(idx>M){
break;
}
if(A[i]==B[idx]){
seq.pb(i);
++idx;
}
}
if(idx<=M){
cout<<"No\n";
return;
}
vector<ll> reSeq;
idx=M;
ROF(i,N,1){
if(idx<=0){
break;
}
if(A[i]==B[idx]){
reSeq.pb(i);
--idx;
}
}
reverse(all(reSeq));
FOR(i,0,M-1){
if(seq[i]!=reSeq[i]){
cout<<"Yes\n";
return;
}
}
cout<<"No\n";
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
solve();
return 0;
}
|