Python + c++

Python   
     import sys
     c=[0]*1010
     a=list( map( int ,input().split() ) )
     n=a[0]
     d=[]
     for i in range(1,n):
         c[i]=abs(a[i]-a[i+1])
         d.append(c[i])
     d.sort()
     for i in range(0,n-1):
         if d[i]!=i+1:
             print("Not jolly")
                 sys.exit(0)
         print("Jolly")


c++
    #include<bits/stdc++.h>
    using namespace std;
        int a[1000000];
        int b[1000000];
        int cmp(int a,int b){
        	return a>b;
      }
        int main(){
        	string c;
        	long long n;
        	cin>>n;
        	for (int i=0;i<n;i++){
        		cin>>a[i];
        	}
        	for (int i=0;i<n-1;i++){
        		b[i]=abs(a[i]-a[i+1]);
        	}
        	sort(b,b+n);
        	for (int i=0;i<n-1;i++){
        		if (b[i]!=i){
        			cout<<"Not jolly";
        			return 0;
        		}
        	}
        	cout<<"Jolly";
        	return 0;
        }