C++ 代码
#include <iostream>
using namespace std;
const int max_num = 100005;
int main (){
int a,b;
cin>>a>>b;
int a_ans[max_num],b_ans[max_num];
for (int i=0;i<a;i++) cin>>a_ans[i];
int ans = 0;
for (int i=0;i<b;i++){
cin>>b_ans[i];
if (b_ans[i] == a_ans[ans]) ans++;
}
if (ans>=a) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
}