| 1 | | Two Sum | easy | Math, Number |
| 2 | | Zip | medium | Array, Loop |
| 3 | | Random Number | easy | Math, Number |
| 4 | | Palindrome Check | easy | String, Algorithm |
| 5 | | Valid Parentheses | medium | String, Stack |
| 6 | | Function Call Limiter | medium | Function, Closure |
| 7 | | Array Chunking | medium | Array, Algorithm |
| 8 | | Implement Basic Debounce() | medium | Function, Closure, Timing |
| 9 | | Rolling transcript buffer | medium | Strings, Subtraction |
| 10 | | Reverse Bits (32-bit) | easy | Bit Manipulation, Number |
| 11 | | Merge Two Sorted Lists | easy | Array, Two Pointers |
| 12 | | Top K Frequent Elements | medium | Array, Hash Map, Bucket |
| 13 | | Remove Duplicates from Sorted Array | easy | Array, Two Pointers |
| 14 | | Find First Occurrence in a String | easy | String, Search |
| 15 | | Minimum Window Substring | hard | String, Sliding Window, Hash Map |