回答編集履歴
2
bichousei
answer
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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11
11
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# 平均
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12
12
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```javascript
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13
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-
const ranking=(arr,num)=>[1,2].indexOf(num)<0?null:arr.map((x,y,z)=>z.filter(w=>(num==2)?w<x:w>x).length+1).map((x,y,z)=>{const l=z.filter(w=>w==x).length;return l==1?x:(
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13
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+
const ranking=(arr,num)=>[1,2].indexOf(num)<0?null:arr.map((x,y,z)=>z.filter(w=>(num==2)?w<x:w>x).length+1).map((x,y,z)=>{const l=z.filter(w=>w==x).length;return l==1?x:(x*2+l-1)/2}); // 微調整
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14
14
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let a = [56,66,68,77,77,83,56];
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15
15
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console.log(ranking(a,1));
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16
16
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console.log(ranking(a,2));
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1
平均
answer
CHANGED
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@@ -6,4 +6,12 @@
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6
6
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console.log(ranking(a,2));
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7
7
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console.log(ranking(a)); //null
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8
8
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console.log(ranking(a,3)); //null
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9
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+
```
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10
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+
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11
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+
# 平均
|
|
12
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+
```javascript
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13
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+
const ranking=(arr,num)=>[1,2].indexOf(num)<0?null:arr.map((x,y,z)=>z.filter(w=>(num==2)?w<x:w>x).length+1).map((x,y,z)=>{const l=z.filter(w=>w==x).length;return l==1?x:((l)*(x*2+l-1)/2/l)});
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14
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+
let a = [56,66,68,77,77,83,56];
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15
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+
console.log(ranking(a,1));
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16
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+
console.log(ranking(a,2));
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9
17
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```
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