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lisa_workbook.py
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lisa_workbook.py
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# https://www.hackerrank.com/challenges/lisa-workbook/problem?isFullScreen=true
#!/bin/python3
import math
import os
import random
import re
import sys
#
# Complete the 'workbook' function below.
#
# The function is expected to return an INTEGER.
# The function accepts following parameters:
# 1. INTEGER n
# 2. INTEGER k
# 3. INTEGER_ARRAY arr
#
def workbook(n, k, arr):
# Write your code here
# Lisa believes a problem to be special if its index (within a chapter) is the same as the page number where it's located\
page = 0
specials = 0
for item in arr:
page += 1
for i in range(1, item + 1):
if i == page:
specials += 1
if i % k == 0 and i != item: # Don't add next blank page if no more problem left
page += 1
return specials
if __name__ == '__main__':
fptr = open(os.environ['OUTPUT_PATH'], 'w')
first_multiple_input = input().rstrip().split()
n = int(first_multiple_input[0])
k = int(first_multiple_input[1])
arr = list(map(int, input().rstrip().split()))
result = workbook(n, k, arr)
fptr.write(str(result) + '\n')
fptr.close()