wlmqlzm @ 2022-02-18 10:48:24
#include<bits/stdc++.h>
using namespace std;
int a[100005],b[100005],c[100005];
int main()
{
int n,q,i,j,head,tail;
cin>>q;
while(q--)
{
cin>>n;
for(i=1;i<=n;i++)
scanf("%d",&a[i]);
for(i=1;i<=n;i++)
scanf("%d",&c[i]);
tail=1,head=1;
for(i=1,j=1;i<=n;i++)
{
b[head++]=a[i];
while(b[head-1]==c[j]&&head>1&&j<=n)
{
head--;
j++;
}
}
if(head==tail) cout<<"YES"<<endl;
else cout<<"NO"<<endl;
}
return 0;
}
样例是对的,但交上去0分
by 编码落寞 @ 2022-02-18 11:02:19
@wlmqlzm
Yes No
by wlmqlzm @ 2022-02-18 11:08:58
@编码落寞 对了,多谢!