题解 | #下厨房#
下厨房
https://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
import sys
lines = sys.stdin.readlines()
l=[]
for i in lines:
i = i.strip('\n')
l = l+i.split(' ')
print(len(set(l)))
下厨房
https://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
import sys
lines = sys.stdin.readlines()
l=[]
for i in lines:
i = i.strip('\n')
l = l+i.split(' ')
print(len(set(l)))
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