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

Left Rotation

  • wesleywchang
     + 0 comments

    Concise O(n) Python solution using slicing

    def rotateLeft(d, arr):
    effective_d = d % len(arr)
    if len(arr) == 1 or effective_d == len(arr):
        return arr
        
    arr = arr[effective_d:] + arr[:effective_d]
        
    return arr