回答編集履歴
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        answer	
    CHANGED
    
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         @@ -35,9 +35,7 @@ 
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       35 
35 
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            const pivots = ['1-10', '11-20', '21-30', '31-40', '41-50', '51-60', '61-70', '71-80', '81-90', '91-100', '100-',];
         
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       36 
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            const result = pivots.reduce((a,c)=>{
         
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       37 
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                const f = buildJudger(c);
         
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       38 
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                console.log(c);
         
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       39 
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                console.log(f);
         
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       40 
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                const sum = Object.entries(obj).reduce((a,c)=>  
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 38 
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                const sum = Object.entries(obj).reduce((a,c)=> f(Number(c[0])) ? a+c[1] : a ,0);
         
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       41 
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                return {...a,[c]:sum};
         
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       42 
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            },{});
         
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       43 
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            ```
         
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