08/19 코딩테스트 백준 5585 거스름돈

https://www.acmicpc.net/problem/5585

5585번: 거스름돈

 

import math

money = int(input())

tmp = 1000 - money

arr = [500, 100, 50, 10, 5, 1]

count = 0
for x in range(len(arr)):
    y = math.trunc(tmp / arr[x])
    tmp -= arr[x] * y
    count += y

print(count)