It does not work. I've also tried read(), readline() but that didn't work either. Do you know where the error is?

Input

The input is a single line of positive integers. The first integer designates the number of segments, with 39. The following integers, 1>2>> designate the lengths of the segments, such that 199 for all . The lengths will permit at least one triangle to be constructed.

Output

Output is the maximum distance that one of Alaas structures can reach away from the wall, stated with a relative or absolute error of at most 102. The input data is chosen so that any structure acheiving the maximum distance has all vertices except the base vertices at least 0.0001 from the wall.

Sample Input 1	Sample Output 1
3 50 40 30	40

Sample Input 2	Sample Output 2
4 50 40 30 29	40

Sample Input 3	Sample Output 3
7 42 40 32 30 25 18 15	66.9495287

Explanation To use "sys.stdin" instead of "input()", you need to replace the following lines: n= int(input().strip()) segments = sorted (map( int, input( ).strip(). split()), reverse = True ) with the following lines: n=int( sys.stdin.strip ()) segments = sorted(map(int, sys.stdin.strip().split()), reverse = True ) By doing this, the program will read the input from the standard input stream instead of the user prompt