2816. 判断子序列

Posted 2021-05-20 幽殇默

https://www.acwing.com/problem/content/description/2818/

#include<iostream>
#include<cstdio>
using namespace std;
const int N=1e5+10;
int a[N],b[N];
int main(void)
{
    int n,m;  cin>>n>>m;
    for(int i=0;i<n;i++) cin>>a[i];
    for(int i=0;i<m;i++) cin>>b[i];
    int i,j;
    for(i=0,j=0;i<m;i++)
    {
        if(a[j]==b[i]) j++;
    }
    if(j==n) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    return 0;
}