Description: Description
It is said that 90 of frosh expect to be above average in their class. You are to provide a reality check.
Input
The first line of standard input contains an integer C, the number of test cases. C data sets follow. Each data set begins with an integer, N, the number of people in the class (1 <= N <= 1000). N integers follow, separated by spaces or newlines, each giving the final grade (an integer between 0 and 100) of a student in the class.
Output
For each case you are to output a line giving the percentage of students whose grade is above average, rounded to 3 decimal places.
Sample Input
5
5 50 50 70 80 100
7 100 95 90 80 70 60 50
3 70 90 80
3 70 90 81
9 100 99 98 97 96 95 94 93 91
Sample Output
40.000
57.143
33.333
66.667
55.556
To Search:
File list (Check if you may need any files):
acm1\acm1.cpp
....\acm1.vcproj
....\acm1.vcproj.WWW-F0365220079.Administrator.user
....\Debug\acm1.exe.embed.manifest
....\.....\acm1.exe.embed.manifest.res
....\.....\acm1.exe.intermediate.manifest
....\.....\acm1.obj
....\.....\acm1.pch
....\.....\BuildLog.htm
....\.....\mt.dep
....\.....\stdafx.obj
....\.....\vc90.idb
....\.....\vc90.pdb
....\ReadMe.txt
....\stdafx.cpp
....\stdafx.h
....\targetver.h
Debug\acm1.exe
.....\acm1.ilk
.....\acm1.pdb
acm1.sln
acm1.suo
....\Debug
acm1
Debug
acm1.ncb
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