Math (50 completed)
| # | Title | Level | Cats | Solution | Languages | Date Complete |
|---|---|---|---|---|---|---|
| 2 | Add Two Numbers | Medium | N150 | solution | java | May 22, 2024 |
| 7 | Reverse Integer | Medium | N150 | solution | py | May 29, 2024 |
| 9 | Palindrome Number | Easy | solution | java | May 22, 2024 | |
| 48 | Rotate Image | Medium | N150, B75 | solution | c, py | Jun 14, 2024 |
| 50 | Pow(x, n) | Medium | N150 | solution | c, py, java | Jun 22, 2024 |
| 66 | Plus One | Easy | N150 | solution | c | Jun 03, 2024 |
| 69 | Sqrt(x) | Easy | solution | py | Jun 07, 2024 | |
| 70 | Climbing Stairs | Easy | N150, B75 | solution | py | May 22, 2024 |
| 150 | Evaluate Reverse Polish Notation | Medium | N150 | solution | py | Jun 10, 2024 |
| 166 | Fraction to Recurring Decimal | Medium | solution | py | May 31, 2024 | |
| 189 | Rotate Array | Medium | solution | py | Jun 02, 2024 | |
| 224 | Basic Calculator | Hard | solution | py | Jun 10, 2024 | |
| 227 | Basic Calculator II | Medium | solution | py | Jun 10, 2024 | |
| 273 | Integer to English Words | Hard | solution | py | Jun 10, 2024 | |
| 292 | Nim Game | Easy | solution | py | May 23, 2024 | |
| 369 | Plus One Linked List | Medium | solution | c | Jul 04, 2024 | |
| 380 | Insert Delete GetRandom O(1) | Medium | solution | java | Jul 05, 2024 | |
| 381 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard | solution | java | Jul 05, 2024 | |
| 382 | Linked List Random Node | Medium | solution | c, py, java | Jun 21, 2024 | |
| 384 | Shuffle an Array | Medium | solution | py | Jun 28, 2024 | |
| 412 | Fizz Buzz | Easy | solution | java, py | Jun 02, 2024 | |
| 509 | Fibonacci Number | Easy | solution | c | Jun 16, 2024 | |
| 523 | Continuous Subarray Sum | Medium | Daily | solution | py | Jun 08, 2024 |
| 651 | 4 Keys Keyboard | Medium | solution | py | May 29, 2024 | |
| 973 | K Closest Points to Origin | Medium | N150 | solution | py | Jun 29, 2024 |
| 1006 | Clumsy Factorial | Medium | solution | c, py | Jun 11, 2024 | |
| 1030 | Matrix Cells in Distance Order | Easy | solution | py | Jun 03, 2024 | |
| 1248 | Count Number of Nice Subarrays | Medium | Daily | solution | py | Jun 21, 2024 |
| 1252 | Cells with Odd Values in a Matrix | Easy | solution | c | Jun 04, 2024 | |
| 1317 | Convert Integer to the Sum of Two No-Zero Integers | Easy | solution | c | Jun 04, 2024 | |
| 1442 | Count Triplets That Can Form Two Arrays of Equal XOR | Medium | Daily | solution | py | May 29, 2024 |
| 1518 | Water Bottles | Easy | Daily | solution | ts, py, java, js, c, cs, cpp | Jul 06, 2024 |
| 1551 | Minimum Operations to Make Array Equal | Medium | solution | kt, rb, py, rs, java, js, c | Jun 12, 2024 | |
| 1561 | Maximum Number of Coins You Can Get | Medium | solution | py | Jun 23, 2024 | |
| 1641 | Count Sorted Vowel Strings | Medium | solution | c, java, cpp | Jun 24, 2024 | |
| 1759 | Count Number of Homogenous Substrings | Medium | solution | c, java | Jun 10, 2024 | |
| 1822 | Sign of the Product of an Array | Easy | solution | c | Jun 06, 2024 | |
| 2083 | Substrings That Begin and End With the Same Letter | Medium | Weekly Premium | solution | py, c | Jun 10, 2024 |
| 2165 | Smallest Value of the Rearranged Number | Medium | solution | py | Jun 30, 2024 | |
| 2221 | Find Triangular Sum of an Array | Medium | solution | c, java | Jun 26, 2024 | |
| 2317 | Maximum XOR After Operations | Medium | solution | c, py, java, cpp | Jun 24, 2024 | |
| 2396 | Strictly Palindromic Number | Medium | solution | kt, rb, py, rs, java, js, c, cpp | Jun 09, 2024 | |
| 2455 | Average Value of Even Numbers That Are Divisible by Three | Easy | solution | java | Jul 04, 2024 | |
| 2582 | Pass the Pillow | Easy | Daily | solution | py, java, js, c, cs, cpp | Jul 05, 2024 |
| 2807 | Insert Greatest Common Divisors in Linked List | Medium | solution | py | Jun 12, 2024 | |
| 2816 | Double a Number Represented as a Linked List | Medium | solution | c | Jul 04, 2024 | |
| 2894 | Divisible and Non-divisible Sums Difference | Easy | solution | py | May 22, 2024 | |
| 2954 | Count the Number of Infection Sequences | Hard | solution | py | Jun 26, 2024 | |
| 3178 | w contest 401 - q1 | Easy | Contest | solution | py | Jun 08, 2024 |
| 3179 | w contest 401 - q2 | Medium | Contest | solution | py | Jun 08, 2024 |