Project Euler Problem 31 - ほんまの走り書き技術メモ

問題 In England the currency is made up of pound, £, and pence, p, and there are eight coins in general circulation: 1p, 2p, 5p, 10p, 20p, 50p, £1 (100p) and £2 (200p). It is possible to make £2 in the following way: 1×£1 + 1×50p + 2×20p + 1×5p + 1×2p + 3×1p How many different ways can £2 be made using any number of coins? ソース coin = [200, 100, 50, 20, 10, 5, 2, 1] @cache = {} def solv(c, pence) ret