티스토리 뷰

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function solution(A,B){
    const arr1=A.sort((a,b)=>{return a-b});
    const arr2=B.sort((a,b)=>{return a-b}).reverse();
    let num=0;
    for(let i=0;i<arr1.length;i++){
        num+=arr1[i]*arr2[i]
    }
    return num;
}

 

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