### 不需要cnt啊
```cpp
#include<bits/stdc++.h>
using namespace std;
int a[1005],b[1005];
int main()
{
int n;
cin>>n;
for(int i = 1;i<=n;i++) cin>>a[i];
for(int i = 2;i<=n;i++)
{
int c=abs(a[i]-a[i-1]);
if(c>=1&&c<n) b[c]++;
}
for(int i = 1;i <= n-1;++i){
if(b[i] != 1){
cout<<"Not jolly"<<endl;
return 0;
}
}
cout<<"Jolly"<<endl;
return 0;
}
```
by Ccl821015 @ 2024-02-03 18:58:56
谢谢，过了！！！
by xuyufei123 @ 2024-02-03 19:05:23