AC代码
```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int t;
cin>>t;
for(int i=1;i<=t;i++){
int n,a[100005]={0};
cin>>n;
for(int j=1;j<=n;j++)cin>>a[j];
sort(a+1,a+n+1);
bool f=1;
for(int j=n-1;j>=1;j--){
if(a[n]%a[j]!=0){
f=0;
break;
}
}
if(!f)
cout<<"No"<<endl;
else
cout<<"Yes"<<endl;
}
return 0;
}
```
@[niuniudundun](/user/1009958)
~~求关~~
by chenxu11 @ 2024-09-04 17:24:28
```cpp
#include<iostream>
using namespace std;
const int maxn=1e5+1;
int t,n;
int a[maxn];
int main(){
cin>>t;
for(int i=0;i<t;i++){
cin>>n;
int maxa=0;
for(int j=1;j<=n;j++){
cin>>a[j];
if(maxa<a[j]) maxa=a[j];
}
bool flag=true;
for(int j=1;j<=n;j++){
if(maxa%a[j]!=0){
flag=false;
break;
}
}
if(flag) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
}
return 0;
}
```
by cxf2012 @ 2024-09-04 17:25:40
@[niuniudundun](/user/1009958) 帮你改了，cin>>t>>n那里，应该只输入t
by cxf2012 @ 2024-09-04 17:26:26