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  1. Prepare
  2. Python
  3. Collections
  4. collections.Counter()
  5. Discussions

collections.Counter()

  • selvanrajan143
     + 0 comments

    from collections import Counter

    No_Shoes = int(input())

    shoe = Counter(list(map(int,input().split())))

    No_Customers = int(input())

    Tsum=0

    for i in range(No_Customers):

    Customer = [int(i) for i in input().split()]

if Customer[0] in shoe.keys() and shoe[Customer[0]] > 0 :
    Tsum+=Customer[1]
    shoe[Customer[0]]-=1

    print(Tsum)