C++ 代码

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define IOS                     \
    ios::sync_with_stdio(false);\
    cin.tie(0)

// *start on @date: 2021-05-27 19:13 
// *writer: zyf

int main() 
{
    IOS;
    int n,m;
    cin >> n >> m;
    int a[100010],b[100010];
    for(int i = 0;i < n;i++) cin>>a[i];
    for(int i = 0;i < m;i++) cin>>b[i];
    int i = 0,j = 0;
    while (i < n&&j < m)
    {
        if(a[i] == b[j]) i++,j++;
        else j++;
    }
    if(i == n) cout<<"Yes";
    else cout<<"No";

    return 0;
}