题解 | 字符串哈希
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
n=int(input())
l=[input() for i in range(n)]
d={}
for i,j in enumerate(l):
d[j]=i
print(len(d))
字符串哈希
https://www.nowcoder.com/practice/dadbd37fee7c43f0ae407db11b16b4bf
n=int(input())
l=[input() for i in range(n)]
d={}
for i,j in enumerate(l):
d[j]=i
print(len(d))
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