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buckmaxwell/pizza.py

Last active September 28, 2020 11:04
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Cassidoo problem of the week 28.09.2020
Raw
pizza.py
# Given an array of people objects (where each person has a name and a number
# of pizza slices they're hungry for) and a number for the number of slices
# that the pizza can be sliced into, return the number of pizzas you need to
# buy.
import math
def gimme_pizza(people, slices_per_pie):
if people and slices_per_pie > 0:
return int(math.ceil(sum([p["num"] for p in people]) / float(slices_per_pie)))
return 0
# Tests
arr = [
{"name": "Joe", "num": 9},
{"name": "Cami", "num": 3},
{"name": "Cassidy", "num": 4},
]
assert gimme_pizza(arr, 8) == 2
arr = [
{"name": "Max", "num": 9},
{"name": "Ben", "num": 11},
{"name": "Rebecca", "num": 4},
]
assert gimme_pizza(arr, 8) == 3
arr = [
{"name": "Max", "num": 9},
{"name": "Ben", "num": 11},
{"name": "Sam", "num": 1},
{"name": "Rebecca", "num": 4},
]
assert gimme_pizza(arr, 8) == 4
assert gimme_pizza(arr, 4) == 7
assert gimme_pizza(arr, 0) == 0
arr = []
assert gimme_pizza(arr, 1) == 0
arr = [{"name": "John", "num": 8000000000}, {"name": "Jan", "num": 1}]
assert gimme_pizza(arr, 1000000) == 8001
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