题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
ans=0
l=[]
while True:
try:
nums=int(input())
if nums<0:
ans+=1
else:
l.append(nums)
except:
break
print(ans)
if len(l)==0:
print(0)
else:
print(format(float(sum(l))/float(len(l)),".1f"))
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