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  1. All Contests
  2. HourRank 31
  3. Save the Queen!
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Save the Queen!

  • basakrajarshi_rb
     + 0 comments

    the editorial is so hard.Look at it once.

    def solve(n, a):
    a=sorted(a,reverse=True);
    reallis=a[:n];
    sum1=sum(a[n:]);
    #print(reallis,sum1)
    reallis=sorted(reallis);
    temp=0;
    sum2=0;
    no=0;
    f=0;
    for i in range(len(reallis)):
        no+=1;
        sum2+=reallis[i];
        temp=round((sum1+sum2),9)/no;
        #print(temp);
        if(i<(len(reallis)-1)):
            if(temp<=reallis[i+1]):
                f=1;
                print("{0:.9f}".format(temp));

                break;
        else:
            continue;
if(f==0):
    print("{0:.9f}".format(temp));