import math
n=int(input())
a=[int(i) for i in input().split()]
#print(a)
aver_a=sum(a)/n
#print(aver_a)
d=0
for i in range(n):
d+=(a[i]-aver_a)**2
#print(d)
d=d/n
#print(d)
sqrt_d=math.sqrt(d)
#print(sqrt_d)
f=[]
for i in range(n):
current_f=(a[i]-aver_a)/sqrt_d
print(current_f)