回答編集履歴
1
chousei
answer
CHANGED
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@@ -2,4 +2,6 @@
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2
2
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var per=4;
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3
3
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var a= [3,3,9,2,4,5,1,2,9,0]
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4
4
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var b=Array(parseInt((a.length-1)/per)+1).fill(null).map((x,y)=>a.filter((i,j)=>(j>=y*per)&&(j<(y+1)*per)));
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5
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-
console.log(b);
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5
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+
console.log(b);
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6
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+
```
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7
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+
調整
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