Archives: 2022/1 | Di's Blog

Solutions and reasonings of Leetcode problems.

Leetcode

2022

Solution to JZ 35 (same as LeetCode 138 Copy List with Random Pointer) and a template for copying a typical linked list.

2022-01-07 Linked List

Linked List Double Pointers HashTable Template

Solution to JZ 24 (same as LeetCode 206 Reverse Linked List), LeetCode 19 Remove Nth Node From End of List, and LeetCode

2022-01-06 Linked List

Linked List Double Pointers Recursion

Solutions to JZ 6, JZ 9, & JZ 30 (same as LeetCode 155 Min Stack). JZ 6Return an array of the linked list (Easy) [li

2022-01-05 Stack

Stack

Solution to JZ 5 & LeetCode 189. JZ 5Replace space with “%20” (Easy) [link] Time complexity O(n), space complexity O

2022-01-04 Array

Array

Solutions to LeetCode 378 Kth Smallest Element in a Sorted Matrix and LeetCode 875 Koko Eating Bananas. LeetCode 378Kth

2022-01-03 Search

Array Binary Search

Solutions to LeetCode 34 Find First and Last Position of Element in Sorted Array, LeetCode 35 Search Insert Position, Le

2022-01-02 Search

Array Binary Search Template

I’m starting doing Leetcode. This blog will contain my solutions and reasoning to the problems. I also wrote a notebook

2022-01-01 Di Zhen

            
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