题解 | 字符串哈希
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
q = int(input())
# 使用集合存储,集合会自动去重
str_only = set()
for _ in range(q):
s = input().strip()
str_only.add(s)
print(len(str_only))
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
q = int(input())
# 使用集合存储,集合会自动去重
str_only = set()
for _ in range(q):
s = input().strip()
str_only.add(s)
print(len(str_only))
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