We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. Python
  3. Collections
  4. collections.Counter()
  5. Discussions

collections.Counter()

Sort by

recency

|

1401 Discussions

|

  • rohitambasta_ii1
     + 0 comments
    import collections as c

x = int(input())
available_sizes= input()
no_of_customers= int(input())

cutomer_and_shoe_price_list= []

for cutomer_shoe_price in range(no_of_customers):
    cutomer_and_shoe_price = input()
    cutomer_and_shoe_price_list.append(cutomer_and_shoe_price.split(" "))

available_sizes_list= [i for i in available_sizes.split(" ")]
# print(available_sizes_list)
available_sizes_list_count= c.Counter(available_sizes_list)
# print(available_sizes_list_count)  # Counter({'5': 2, '6': 2, '2': 1, '3': 1, '4': 1, '8': 1, '7': 1, '18': 1})

# print(cutomer_and_shoe_price_list) # [['6', '55'], ['6', '45'], ['6', '55'], ['4', '40'], ['18', '60'], ['10', '50']]
 

price_list= []

for keys, values in available_sizes_list_count.items():
    for i in cutomer_and_shoe_price_list:
        if i[0] == keys:
            values= values - 1
            price_list.append(i[1])
            if values == 0:     # Prevents overselling
                break
            
    # print(keys, values)
print(sum(list(map(int, price_list))))

  • kamrani_mohsen01
     + 0 comments
    from collections import Counter
# Enter your code here. Read input from STDIN. Print output to STDOUT
x = int(input())
sizes = map(int, input().split())
n = int(input())
avail = Counter(sizes)
sales = 0
for i in range(n):
    order = list(map(int, input().split()))
    size = order[0]
    if size in avail.keys() and avail[size] > 0:
        sales += order[1]
        avail[size] -= 1

print(sales)

  • vishnupillai704
     + 0 comments

    from collections import Counter list1 = [] def test(customer_shoe_size,price): if customer_shoe_size in shoe_sizes.keys(): value = shoe_sizes.get(customer_shoe_size) shoe_sizes.subtract([customer_shoe_size]) if value > 0: list1.append(int(price))

    def sum_(): final = list(map(int,list1)) print(sum(final))

    if name == "main": global shoe_sizes no_of_shoes = int(input()) shoe_sizes = Counter((map(str,input().split()))) no_of_customers = int(input()) for i in range(no_of_customers): customer_shoe_size , price = input().split() test(customer_shoe_size,price) sum_()

  • ashiqueali
     + 0 comments

    X = int(input()) tot_inv = list(map(int, input().split()))

    from collections import Counter

    inventory = Counter(tot_inv)

    N = int(input())

    raghu_earn = 0

    for _ in range(N):

    size_price = input().split()
size = int(size_price[0])
price = int(size_price[1])

    if inventory[size]>0:
    raghu_earn+=price
    inventory[size]-=1

    print(raghu_earn)

    if inventory[size]>0:
    raghu_earn+=price
    inventory[size]-=1

    print(raghu_earn)

  • nicodasilva2
     + 0 comments

    from collections import Counter

    def calc_earnings(shoes, customers):

    earnings = 0

for c in customers:
    if c[0] not in shoes: continue

    shoes[c[0]] -= 1
    earnings += c[1]

    if (shoes[c[0]] <= 0): del shoes[c[0]]

print(earnings)

    if name=='main':

    input() # We really don't use this info (number of shoes).
shoes = Counter(map(int, input().split()))
n = int(input())

customers = []

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

calc_earnings(shoes, customers)