master-list.md

Master List

Arrays

• 1. Two Sum (easy)
• 15. 3Sum (medium)
• 16. 3Sum Closest (medium)
• 18. 4Sum (medium)
• 80. Remove Duplicates from Sorted Array II (medium)
• 82. Remove Duplicates from Sorted List II (medium)
• 83. Remove Duplicates from Sorted List (easy)
• 217. Contains Duplicate (easy)
• 259. 3Sum Smaller (***)
• 287. Find the Duplicate Number (medium)
• 457. Circular Array Loop (medium)
• 581. Shortest Unsorted Continuous Subarray (medium)
• 713. Subarray Product Less Than K (medium)
• 844. Backspace String Compare (easy)
• 904. Fruit Into Baskets (medium)
• 977. Squares of a Sorted Array (easy)
• 1004. Max Conescutive Ones III (medium)
• 1089. Duplicate Zeros (easy)

Linked Lists

• 141. Linked List Cycle (easy)
• 142. Linked List Cycle II (medium)
• 143. Reorder List (medium)
• 234. Palindrome Linked List (easy)
• 876. Middle of the Linked List (easy)

Substrings

• 3. Longest Substring Without Repeating Characters (medium)

• 30. Substring with Concatenation of All Words (hard)

• 76. Minimum Window Substring (hard)

• 424. Longest Repeating Character Replacement (medium)

• 438. Find All Anagrams in a String (medium)

• 567. Permutation in String (medium)

• 202. Happy Number (easy)