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  1. #include <stdio.h>
  2. #define N 10
  3.  
  4. void pp(int*a,int n)
  5. {
  6.   while(n--)printf("%d ",*a++);
  7.   putchar('\n');
  8. }
  9.  
  10. int main()
  11. {
  12.   int i,j,k,t,a[N];
  13.   for(i=0; i<N; i++)a[i]=i*11;
  14.  
  15.   pp(a,N);
  16.   for(i=10,j=0; --i;) {
  17.     j=j<N/2?(j*2+1)%N:(j*2)%N;
  18.     t=a[0];
  19.     a[0]=a[j];
  20.     a[j]=t;
  21.   }
  22.   pp(a,N);
  23.  
  24.   return 0;
  25. }
Success #stdin #stdout 0.02s 1720KB
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stdin
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Standard input is empty
stdout
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0 11 22 33 44 55 66 77 88 99 
55 0 66 11 77 22 88 33 99 44
https://ideone.com/cJX0M
language:
C (gcc 8.3)
created:
12 years ago
visibility:
secret

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