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

collections.Counter()

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  • gapsales
     + 0 comments
    from collections import Counter

earned = 0

X = int(input())
available = list(map(int, input().split()))
N = int(input())

for customers in range(N):
    shoe_size, price = map(int, input().split())

if shoe_size in available:
    if Counter(available).values() != 0:
        available.remove(shoe_size)
        earned += price
    else:
        continue

    print(earned)

  • vedantwalia
     + 0 comments
    from collections import Counter

X = input()
number_of_shoes = map(int, input().split())

inventory = Counter(number_of_shoes)
earnings = 0

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

  • vmmulik
     + 0 comments

    from collections import Counter

    X, shoe_sizes = input(), map(int, input().split())

    inventory = Counter(shoe_sizes) earning = 0

    for _ in range(int(input())): size, price = map(int, input().split()) if inventory[size]: inventory[size] -= 1 earning += price

    print(earning)

  • malaikanoor7864
     + 0 comments
    from collections import Counter

if __name__ == "__main__":
    X = map(int, input())
    sizes = list(map(int, input().split()))
    N = int(input())
    demand = [list(map(int, input().split())) for i in range(N)]
    
    income = 0
    sizes = Counter(sizes)
    for size,price in demand:
        if sizes[size] != 0:
            income += price
            sizes[size] -= 1
    print(income)

  • Mannyebrahimi821
     + 0 comments
    from collections import Counter
X = input() # number of shoes
shoeSizes = Counter(list(map(int, input().split())))
N = int(input())
total = 0
for _ in range(N):
    customer = list(map(int, input().split()))
    try:
        shoseSize = shoeSizes[customer[0]]
        if shoeSizes[customer[0]] > 0:
            total += customer[1]
            shoeSizes[customer[0]] -= 1
    except:
        pass

print(total)