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  1. #include<stdio.h>
  2.  
  3. void bbh(int a[],int n);
  4. int main()
  5. {
  6.     int n,i;
  7.     scanf("%d",&n);
  8.     int a[10000];
  9.     for( i=0;i<n;i++)
  10.     {
  11.         scanf("%d",&a[i]);
  12.     }
  13.     bbh(a,n);
  14.  
  15. }
  16. void bbh(int a[],int n)
  17. {
  18.     int i,j,k=1,m=0,b[10000];
  19.     for(i=0;i<n-1;i++)
  20.     {
  21.         for(j=i+1;j<n;j++)
  22.         {
  23.             if(a[i]>a[j])
  24.             {
  25.                 int temp=a[i];
  26.                 a[i]=a[j];
  27.                 a[j]=temp;
  28.             }
  29.         }
  30.     }
  31.     for(i=0;i<n;i=i+k)
  32.     {
  33.         k=1;
  34.         for(j=i+1;j<n;j++)
  35.         {
  36.             if(a[i]==a[j])
  37.             {
  38.                 k++;
  39.                 if(j==n-1)
  40.                 {
  41.                     if(k>1)
  42.                     {
  43.                         if(a[i]==2&&k==2)
  44.                         {
  45.                             b[m]=a[i];
  46.                             m++;
  47.                         }
  48.                         else
  49.                         {
  50.                             b[m]=a[i];
  51.                             b[m+1]=k;
  52.                             m+=2;
  53.                         }
  54.                     }
  55.                     else
  56.                     {
  57.                         b[m]=a[i];
  58.                         m++;
  59.                     }
  60.                 }
  61.             }
  62.             else
  63.             {
  64.                 if(k>1)
  65.                 {
  66.                     if(a[i]==2&&k==2)
  67.                     {
  68.                         b[m]=a[i];
  69.                         m++;
  70.                     }
  71.                     else
  72.                     {
  73.                         b[m]=a[i];
  74.                         b[m+1]=k;
  75.                         m+=2;
  76.                     }
  77.                 }
  78.                 else
  79.                 {
  80.                         b[m]=a[i];
  81.                         m++;
  82.                 }
  83.                 break;
  84.             }
  85.         }
  86.     }
  87.     if(m<n)
  88.     {
  89.         bbh(b,m);
  90.     }
  91.     else
  92.     {
  93.         for(i=0;i<m;i++)
  94.         {
  95.             printf("%d",b[i]);
  96.         }
  97.     }
  98.  
  99. }
Success #stdin #stdout 0s 9496KB
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stdin
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5 1 2 2 2 1
stdout
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Standard output is empty
https://ideone.com/vBJVrX
language:
C (gcc 8.3)
created:
7 years ago
visibility:
secret

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