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

collections.Counter()

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  • mohamedeldeeb201
     + 0 comments

    x = int(input()) myList = list(input().split()) n = int(input()) size_price = [] total = 0 for i in range(n): size_price.append(tuple (input().split()))

    for size , price in size_price: if size in myList: total += int(price) myList.remove(size) print(total)

  • ganapathideepak1
     + 0 comments

    without using collections

    X = int(input()) x = list(map(int,input().split())) N = int(input()) earned = 0 for i in range(N): a,b = map(int, input().split()) if a in x: earned+=b x.remove(a) print(earned)

  • raviahuja1998
     + 0 comments

    from collections import Counter

    N=int(input())

    x=list(map(int,input().split()))

    no_of_shoe=Counter(x)

    summ=0

    for i in range(int(input())):

    size,price=map(int,input().split())

if size in no_of_shoe.keys() and no_of_shoe[size]>0:
    summ=summ+price
    no_of_shoe[size]-=1

    print(summ)

  • doshipradnyesh23
     + 0 comments
    from collections import Counter
no_shoes=int(input())
list_1=list(input().split())
# print(list_1)
n=int(input())
shoes=Counter(list_1)

sum=0
for _ in range(n):
    size,price=input().split()
    if shoes[size]>0:
        shoes[size]-=1
        sum+=int(price)
print(sum)

  • sahilsinghai5672
     + 0 comments

    from collections import Counter x = int(input()) shoe_seizes = Counter(list(map(int,input().split()))) total = 0 for _ in range(int(input())): seize, price = map(int,input().split())

    if seize in shoe_seizes and shoe_seizes[seize] > 0:
    shoe_seizes[seize] -= 1
    total += price

    print(total)

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