質問編集履歴
2
清書最終
test
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File without changes
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test
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@@ -1,4 +1,38 @@
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1
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##清書（最終）
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2
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3
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```Python3
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4
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5
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def coin_sums2(remainder, coin):
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6
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7
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if coin < 0:
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8
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9
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return 1
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10
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11
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n = remainder // coins[coin]
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12
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13
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total2 = 0
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14
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15
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for i in range(n + 1):
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16
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17
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total2 += coin_sums2(remainder - i * coins[coin], coin - 1)
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18
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19
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return total2
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20
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21
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22
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23
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24
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25
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coins = [2, 5, 10, 20, 50, 100, 200]
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26
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27
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ans = coin_sums2(200, len(coins) - 1)
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28
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29
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print(ans)
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30
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31
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```
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32
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33
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34
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1
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-
##追記
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35
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##追記（18:40）
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2
36
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3
37
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回答頂いた後ものをヒントに修正したらこれで動きました。
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4
38
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1
追記
test
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File without changes
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test
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@@ -1,3 +1,35 @@
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1
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##追記
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2
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3
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回答頂いた後ものをヒントに修正したらこれで動きました。
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4
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+
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5
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+
```Python3
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6
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7
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def coin_sums2(remainder, coin,total2=0):
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8
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9
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if coin < 0:
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10
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11
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return total2 + 1
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12
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13
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n = remainder // coins[coin]
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14
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15
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for i in range(n + 1):
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16
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17
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total2 += coin_sums2(remainder - i * coins[coin], coin - 1)
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18
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19
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return total2
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20
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21
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22
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23
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coins = [2, 5, 10, 20,50, 100, 200]
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24
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25
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ans = coin_sums2(200, len(coins)-1)
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26
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27
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print(ans)
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28
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29
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```
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30
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31
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32
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1
33
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####参考課題
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2
34
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3
35
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[ProjectEuler Problem 31 : Coin sums ](https://projecteuler.net/problem=31)
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