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  1. #include<stdio.h>
  2. void reverse(int* a,int i,int j)
  3. {
  4. if(i==j) return;
  5. int index,temp=0;
  6. int mid=(j-i+1)/2;
  7. for(index=0;index<mid;index++,i++,j--)
  8. {
  9. temp=*(a+i);
  10. *(a+i)=*(a+j);
  11. *(a+j)=temp;
  12. }
  13. }
  14.  
  15. void rotate(int* arr,int N,int len)
  16. {
  17. if(N==len) return;
  18. reverse(arr,len-N,len-1);
  19. reverse(arr,0,len-N-1);
  20. reverse(arr,0,len-1);
  21. }
  22.  
  23. int main()
  24. {
  25. int i;
  26. int arr[]={1,2,3,4,5};
  27. rotate(arr,7,5);
  28. for(i=0;i<5;i++)
  29. 	printf("%d\n",arr[i]);
  30. return 0;
  31. }
Success #stdin #stdout 0.01s 1720KB
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Standard input is empty
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-1081787704
134513409
1
2
3
https://ideone.com/z4aBk
language:
C99 (gcc 8.3)
created:
14 years ago
visibility:
public

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