题解 | 字符串哈希
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
n = int(input()) print(len({input() for _ in range(n)}))
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
n = int(input()) print(len({input() for _ in range(n)}))
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