Text Practice Mode
programming
created Aug 31st 2021, 07:44 by Kshetragya
0
17 words
26 completed
3
Rating visible after 3 or more votes
saving score / loading statistics ...
00:00
for i in range(int(input())):
n=int(input())
a=list(map(int,input().split()))
g=a[0]
sum=0
for j in range(n):
g=max(a[j],g)
sum=sum+a[j]
ans =g+(sum-g)/(n-1)
print(round(ans,9))
n=int(input())
a=list(map(int,input().split()))
g=a[0]
sum=0
for j in range(n):
g=max(a[j],g)
sum=sum+a[j]
ans =g+(sum-g)/(n-1)
print(round(ans,9))
saving score / loading statistics ...