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  1. #include <stdio.h>
  2. #include <algorithm>
  3.  
  4. using namespace std;
  5.  
  6. int main (void){
  7.     int n;
  8.     while (scanf ("%d", &n)!=EOF){
  9.     int vet1[n], vetdif1[n-1];
  10.     int isJolly=1;
  11.  
  12.     for (int i=0; i<n; i++){
  13.         scanf ("%d",&vet1[i]);
  14.         if (i!=0){
  15.             vetdif1[i-1]=vet1[i]-vet1[i-1];
  16.             if (vetdif1[i-1]<0){
  17.                 vetdif1[i-1]=vetdif1[i-1]*-1;
  18.             }
  19.             }
  20.         }
  21.          std::sort(vetdif1,vetdif1+n-1);
  22.  
  23.          for (int i=0; i<n-1; i++){
  24.                 if (vetdif1[i]!=i+1){
  25.                    isJolly=0;
  26.                 }
  27.           }
  28.         if (isJolly)
  29.         printf ("Jolly\n");
  30.         else printf ("Not jolly\n");
  31.     }
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 3340KB
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https://ideone.com/asKaaZ
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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