Hui Wang
82. Interview: Reverse String (LeetCode Easy)
https://leetcode.com/problems/reverse-string/ Solution: Time complexity: O(n) Space complexity: O(1) Two-pointer technique Code: class...
top of page
Search
Hui Wang
Nov 29, 20221 min read
81. Interview: Single Number (LeetCode Easy)
https://leetcode.com/problems/single-number/ Solution: Time complexity: O(n) Space complexity: O(1) It is not hard to find non-duplicate...
Hui Wang
Nov 24, 20221 min read
80. Interview: Contains Duplicate (LeetCode Easy)
https://leetcode.com/problems/contains-duplicate/ Solution 1: Time complexity : O(nlogn) Space complexity : O(1) After sorting an array,...
Hui Wang
Nov 23, 20221 min read
79. Interview: Remove Duplicates from Sorted Array (LeetCode Easy)
https://leetcode.com/problems/remove-duplicates-from-sorted-array/ Train of thought: Two-pointer technique We can NOT use any extra...
Hui Wang
May 10, 20223 min read
29. Difference between the static library and dynamic library
Static Library: ipa package file is large. By default, static libraries only link useful class files to Mach-O (with class files as the...
bottom of page