回答編集履歴
1
betu
answer
CHANGED
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@@ -8,4 +8,9 @@
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8
8
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return A;
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9
9
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}
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10
10
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console.log(factorial(10000n));
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11
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+
```
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12
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+
# 別解
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13
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+
```javascript
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14
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+
const factorial=x=>Array(x).fill(null).map((_,x)=>BigInt(x+1)).reduce((x,y)=>x*y);
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15
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console.log(factorial(10000));
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11
16
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```
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