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  1. Practice
  2. Data Structures
  3. Arrays
  4. Left Rotation
  5. Discussions

Left Rotation

  • AmandeepSaxena + 4 comments
    int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int i,d,k,n,temp,j;
    cin>>n;
    int a[n];
    
    for(i=0;i<n;i++)
        cin>>a[i];
        
    cin>>d;
            
            for(i=0;i<n;i++)
           cout<<" "<<a[(i + (n - d)) % n];
    return 0;
}

    pls let me knw wats wrng in this?

    • dexter97 + 0 comments
      [deleted]
    • Mikeiyan + 0 comments

      cin >> d; should be after cin >> n;

    • rajatddjsehgal + 1 comment

      you need to use vector instead of array for memory allocation at runtime else if you are using array they you have to use dynamic array.

      • saishashank65 + 0 comments

        vector leftRotation(vector a, int d) { int temp; for(int j=0;j

        //whats wrong one test case not working(timeout error)

    • shivamrajawat + 0 comments

      write a[(i+d)%n] in place of a[(i + (n - d)) % n]