题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
# 20241008
ls = []
while True:
try:
ls.append(int(input()))
except:
break
ls1 = []
ls2 = []
for i in ls:
if i >= 0:
ls1.append(i)
elif i < 0:
ls2.append(i)
if len(ls1) == 0:
print(len(ls2))
print(0.0)
else:
avg = sum(ls1)/len(ls1)
print(len(ls2))
print(round(avg,1))
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