diff --git a/problems/0028.实现strStr.md b/problems/0028.实现strStr.md index 263c1689..2a81db88 100644 --- a/problems/0028.实现strStr.md +++ b/problems/0028.实现strStr.md @@ -1314,7 +1314,6 @@ impl Solution { pub fn str_str(haystack: String, needle: String) -> i32 { let (haystack_len, needle_len) = (haystack.len(), needle.len()); - if haystack_len == 0 { return 0; } if haystack_len < needle_len { return -1;} let (haystack, needle) = (haystack.chars().collect::>(), needle.chars().collect::>()); let mut next: Vec = vec![0; haystack_len]; @@ -1355,9 +1354,6 @@ impl Solution { next } pub fn str_str(haystack: String, needle: String) -> i32 { - if needle.is_empty() { - return 0; - } if haystack.len() < needle.len() { return -1; }