题解 | 字符串哈希
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
from sys import stdin print(len(set(stdin.read().split()[1:])))
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
from sys import stdin print(len(set(stdin.read().split()[1:])))
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