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  1. Practice
  2. Algorithms
  3. Implementation
  4. Circular Array Rotation
  5. Discussions

Circular Array Rotation

  • kn_neelalohitha + 0 comments

    Nice one!
    Here is my code in C. 

    #include <stdio.h>
#include <stdlib.h>


int main(){
    int n,k,q;
    scanf("%d %d %d",&n,&k,&q);
    int a[100000],m,i = 0;
    
    while(i < n)
        scanf("%d",&a[(i++ + k) % n]); 
    
    while(q--){
        scanf("%d",&m);
        printf("%d\n",a[m]);
    }
    return 0;
}

    Position resulting because of rotation is computed first using ((i++ + k) % n).Then the array elements are stored in these positions in the read ing stage itself using scanf() . Suggestions are welcome!