Archives | Di's Blog

2022

01

22

Solution to LeetCode 748 Shortest Completing Word. LeetCode 748Shortest Completing Word (Easy). [link] Note that the let

2022-01-22 HashTable

21

LC 146

Solution to LeetCode 146 LRU Cache. LeetCode 146LRU Cache (Medium). [link] The problem requires functions get and put mu

2022-01-21 HashTable

Linked List HashTable

20

LC 141

Solutions to LeetCode 141 Linked List Cycle. LeetCode 141Linked List Cycle (Easy) [link] Iterate through all nodes and

2022-01-20 Linked List

Double Pointers Linked List"

19

LC 792

Solution to LeetCode 792 Number of Matching Subsequences. LeetCode 792Number of Matching Subsequences (Medium) [link] Ti

2022-01-19 Search

Binary Search

18

LC 540

Solution to LeetCode 540 Single Element in a Sorted Array. LeetCode 540Single Element in a Sorted Array (Medium) [link]

2022-01-18 Search

Array Binary Search

17

LC 729

Solution to LeetCode 729 My calendar I. It uses “range-based query“, which is similar to LeetCode 715, LeetCode 699, Lee

2022-01-17 Search

Binary Search

16

LC 56 & LC 57

Solutions to LeetCode 56 Merge Interval and LeetCode 57 Insert Interval. LeetCode 56Merge Interval (Medium). [link] Tim

2022-01-16 Array

Merge Intervals

15

LC 744

Solution to LeetCode 744 Find Smallest Letter Greater Than Target. LeetCode 744Find Smallest Letter Greater Than Target

2022-01-15 Search

Binary Search

14

LC 203 & LC 707

Solution to LeetCode 203 Remove Linked List Elements and 707 Design Linked List. LeetCode 203Remove Linked List Elements

2022-01-14 Linked List

Linked List

13

LC 21 (with template)

Solution to LeetCode 21 Merge two sorted lists. LeetCode 21Merge two sorted lists (Easy). [link] 1] Double Pointers. Ti

2022-01-13 Linked List

Linked List Double Pointers Template Merge Sort

12

LC 23

Solution to LeetCode 23 Merge k sorted lists. LeetCode 23Merge k sorted lists (Hard). [link] Min-heap. Insert the head

2022-01-12 Linked List

Linked List Merge Sort Heap Divide and Conquer

11

LC 2 & LC61 (with template)

Solution to LeetCode 2 Add two numbers & 61 Rotate list, and a template for creating a Linked List LeetCode 2Add two

2022-01-11 Linked List

Linked List Double Pointers Template