题解 | #错误出现的次数#
错误出现的次数
https://www.nowcoder.com/practice/01da65ec58f84fba93611aae4735f68b
#方法一
# ls1 = list(map(int,input().split()))
# cnt = 0
# for i in ls1:
# if i == 0:
# cnt += 1
# print(cnt)
# #方法二
# ls1 = list(map(int,input().split()))
# print(ls1.count(0))
#方法三
from collections import Counter
ls1 = list(map(int,input().split()))
if 0 in ls1:
print(dict(Counter(ls1))[0])
else:
print(0)
# ls1 = list(map(int,input().split()))
# cnt = 0
# for i in ls1:
# if i == 0:
# cnt += 1
# print(cnt)
# #方法二
# ls1 = list(map(int,input().split()))
# print(ls1.count(0))
#方法三
from collections import Counter
ls1 = list(map(int,input().split()))
if 0 in ls1:
print(dict(Counter(ls1))[0])
else:
print(0)
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