题解 | #记负均正II#
记负均正II
http://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
# def jug(n):
# if n < 0:
# return True
import sys
s = 0
l = []
for n in sys.stdin:
n=int(n)
if n<0:
s+=1
else:
l.append(n)
print(s)
if l:
print("%.1f"%(sum(l)/len(l)))
else:
print("0.0")
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