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