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sparse_arrays.py
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sparse_arrays.py
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#https://www.hackerrank.com/challenges/one-month-preparation-kit-sparse-arrays/problem?isFullScreen=true&h_l=interview&playlist_slugs%5B%5D=preparation-kits&playlist_slugs%5B%5D=one-month-preparation-kit&playlist_slugs%5B%5D=one-month-week-one
#!/bin/python3
import math
import os
import random
import re
import sys
#
# Complete the 'matchingStrings' function below.
#
# The function is expected to return an INTEGER_ARRAY.
# The function accepts following parameters:
# 1. STRING_ARRAY strings
# 2. STRING_ARRAY queries
#
def matchingStrings(strings, queries):
# Write your code here
m = dict()
for item in strings:
if item not in m:
m[item] = 0
m[item] += 1
return [m[i] if i in m else 0 for i in queries]
if __name__ == '__main__':
fptr = open(os.environ['OUTPUT_PATH'], 'w')
strings_count = int(input().strip())
strings = []
for _ in range(strings_count):
strings_item = input()
strings.append(strings_item)
queries_count = int(input().strip())
queries = []
for _ in range(queries_count):
queries_item = input()
queries.append(queries_item)
res = matchingStrings(strings, queries)
fptr.write('\n'.join(map(str, res)))
fptr.write('\n')
fptr.close()