UVA 10038
#include<iostream> #include<cmath> #include<algorithm> #include<vector> using namespace std; int main() { int n; while(cin>>n) { vector<int> a(3000); vector<int> b(3000); cin>>a[0]; for(int i=1;i<n;i++) { cin>>a[i]; b[i]=abs(a[i]-a[i-1]); } sort(b.begin()+1,b.begin()+n); int sum=0; for(int j=1;j<n;j++) { if(b[j]==j) sum++; } if(sum==n-1) cout<<"Jolly"<<endl; else cout<<"Not jolly"<<endl; } return 0; }