Code: Select all
#include <iostream>
#include <stdlib.h>
using namespace std;
int main(){
int n, input[3000], difference[3000], status=0, temp;
while(cin>>n){
if(n>1 || n<3000){
for(int i=0; i<n; i++){
cin>>input[i];
}
for(int i=0; i<n-1; i++){
difference[i] = abs(input[i] - input[i+1]);
}
// sort
for(int i = 0; i<n-1; i++){
for(int j = 0; j<i; j++){
if(difference[i] < difference[j]){
temp = difference[j];
difference[j] = difference[i];
difference[i] = temp;
}
}
}
for(int i = 0; i<n-1; i++){
if(difference[i] != i+1){
status = 0;
}
else{
status = 1;
}
}
if(status == 0){
cout<<"Not jolly"<<endl;
}
else {
cout<<"Jolly"<<endl;
}
}
}
return 0;
}