Simulation (53 completed)
| # | Title | Level | Cats | Solution | Languages | Date Complete |
|---|---|---|---|---|---|---|
| 54 | Spiral Matrix | Medium | B75, N150 | solution | py | Oct 24, 2024 |
| 348 | Design Tic-Tac-Toe | Medium | solution | py | Jul 05, 2024 | |
| 353 | Design Snake Game | Medium | Weekly Premium | solution | py | Jun 28, 2024 |
| 412 | Fizz Buzz | Easy | solution | java, py | Jun 02, 2024 | |
| 415 | Add Strings | Easy | solution | py | Oct 14, 2025 | |
| 495 | Teemo Attacking | Easy | solution | py | Nov 03, 2025 | |
| 498 | Diagonal Traverse | Medium | Daily | solution | go, py | Aug 25, 2025 |
| 735 | Asteroid Collision | Medium | solution | py | Jul 14, 2024 | |
| 867 | Transpose Matrix | Easy | solution | py | Jun 15, 2024 | |
| 874 | Walking Robot Simulation | Medium | solution | py | Oct 10, 2025 | |
| 885 | Spiral Matrix III | Medium | Daily | solution | py | Aug 08, 2024 |
| 946 | Validate Stack Sequences | Medium | solution | c, py | Jun 12, 2024 | |
| 950 | Reveal Cards In Increasing Order | Medium | solution | py | Jun 12, 2024 | |
| 1006 | Clumsy Factorial | Medium | solution | c, py | Jun 12, 2024 | |
| 1252 | Cells with Odd Values in a Matrix | Easy | solution | c | Jun 04, 2024 | |
| 1404 | Number of Steps to Reduce a Number in Binary Representation to One | Medium | solution | py | Jun 08, 2024 | |
| 1518 | Water Bottles | Easy | Daily | solution | c, cpp, cs, java, js, py, ts | Jul 07, 2024 |
| 1535 | Find the Winner of an Array Game | Medium | solution | py | Jun 08, 2024 | |
| 1700 | Number of Students Unable to Eat Lunch | Easy | solution | py | Jun 02, 2024 | |
| 1701 | Average Waiting Time | Medium | Daily | solution | js, py | Jul 09, 2024 |
| 1756 | Design Most Recently Used Queue | Medium | Weekly Premium | solution | py | Feb 15, 2025 |
| 1801 | Number of Orders in the Backlog | Medium | solution | py | Nov 03, 2025 | |
| 1823 | Find the Winner of the Circular Game | Medium | Daily | solution | c, cpp, java, js, py | Jul 08, 2024 |
| 1910 | Remove All Occurrences of a Substring | Medium | Daily | solution | py | Feb 11, 2025 |
| 1929 | Concatenation of Array | Easy | solution | c, java, py | Jun 03, 2024 | |
| 1945 | Sum of Digits of String After Convert | Easy | Daily | solution | py | Sep 03, 2024 |
| 2011 | Final Value of Variable After Performing Operations | Easy | Daily | solution | c | Jun 03, 2024 |
| 2043 | Simple Bank System | Medium | Daily | solution | py | Oct 26, 2025 |
| 2149 | Rearrange Array Elements by Sign | Medium | solution | c, py | Jun 10, 2024 | |
| 2154 | Keep Multiplying Found Values by Two | Easy | Daily | solution | py | Nov 19, 2025 |
| 2161 | Partition Array According to Given Pivot | Medium | Daily | solution | py | Mar 03, 2025 |
| 2169 | Count Operations to Obtain Zero | Easy | Daily | solution | py | Nov 09, 2025 |
| 2181 | Merge Nodes in Between Zeros | Medium | Daily | solution | c, cpp, java, py | Jul 04, 2024 |
| 2211 | Count Collisions on a Road | Medium | Daily | solution | py | Jul 14, 2024 |
| 2221 | Find Triangular Sum of an Array | Medium | Daily | solution | c, java, py | Jun 27, 2024 |
| 2352 | Equal Row and Column Pairs | Medium | solution | py | Jun 27, 2024 | |
| 2365 | Task Scheduler II | Medium | solution | py | Jun 29, 2024 | |
| 2390 | Removing Stars From a String | Medium | solution | java, py | Jun 02, 2024 | |
| 2460 | Apply Operations to an Array | Easy | Daily | solution | py | Mar 01, 2025 |
| 2482 | Difference Between Ones and Zeros in Row and Column | Medium | solution | py | Jun 07, 2024 | |
| 2582 | Pass the Pillow | Easy | Daily | solution | c, cpp, cs, java, js, py | Jul 06, 2024 |
| 2679 | Sum in a Matrix | Medium | solution | java | May 22, 2024 | |
| 2751 | Robot Collisions | Hard | Daily | solution | py | Jul 13, 2024 |
| 3066 | Minimum Operations to Exceed Threshold Value II | Medium | Daily | solution | py | Feb 13, 2025 |
| 3160 | Find the Number of Distinct Colors Among the Balls | Medium | Daily | solution | py | Feb 07, 2025 |
| 3168 | Weekly Contest 400 - q1 - Minimum Number of Chairs in a Waiting Room | Easy | Contest | solution | py | Jul 07, 2024 |
| 3174 | Biweekly Contest 132 - q1 - Clear Digits | Easy | Contest, Daily | solution | py | Jul 07, 2024 |
| 3175 | Biweekly Contest 132 - q2 - Find The First Player to win K Games in a Row | Medium | Contest | solution | py | Jul 07, 2024 |
| 3178 | Weekly Contest 401 - q1 - Find the Child Who Has the Ball After K Seconds | Easy | Contest | solution | py | Jul 07, 2024 |
| 3179 | Weekly Contest 401 - q2 - Find the N-th Value After K Seconds | Medium | Contest | solution | py | Jul 07, 2024 |
| 3242 | Design Neighbor Sum Service | Easy | solution | py | Aug 04, 2024 | |
| 3248 | Snake in Matrix | Easy | solution | py | Aug 12, 2024 | |
| 3461 | Check If Digits Are Equal in String After Operations I | Easy | Daily | solution | py | Oct 23, 2025 |