runningtime.py

#https://www.hackerrank.com/challenges/runningtime/problem?isFullScreen=true
#!/bin/python3

import math
import os
import random
import re
import sys

#
# Complete the 'runningTime' function below.
#
# The function is expected to return an INTEGER.
# The function accepts INTEGER_ARRAY arr as parameter.
#


def runningTime(arr):
    # Write your code here

    shifts = 0
    for i in range(1, len(arr)):
        item = arr[i]
        while i - 1 >= 0 and arr[i] < arr[i - 1]:
            arr[i] = arr[i - 1]
            arr[i - 1] = item
            i -= 1
            shifts += 1
    return shifts


if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    n = int(input().strip())

    arr = list(map(int, input().rstrip().split()))

    result = runningTime(arr)

    fptr.write(str(result) + '\n')

    fptr.close()