Monday 21 January 2013

Sum the Series

11746. Sum the Series Problem code: SUMUP

for j in[1]*input():
    s,a,b=0,1,3
    for i in range(input()):s+=(b-a)/(b*a*2.0);a=b;b+=2*i+4
    print"{0:.5f}".format(s)

No comments:

Post a Comment