- Exercices on LeetCode, solved by C and Python.
- The project started on 31-03-2021.
- Solve one problem each day.
- Learn Data Structure and Algorithm on a daily basis.
- Acquire skills on Python and enhance C's.
| Dificulty | Time Complexity | Space Complexity | Notes | |
|---|---|---|---|---|
| Introduction | ||||
| 485. Max Consecutive Ones | Easy | |||
| 1295. Find Numbers with Even Number of Digits | Easy | |||
| 977. Squares of a Sorted Array | Easy | O(N) | O(N) | |
| Inserting Items into an Array | ||||
| 1089. Duplicate Zeros | Easy | |||
| 88. Merge Sorted Array | Easy | |||
| Deleting Items from an Array | ||||
| 27. Remove Element | Easy | O(N) | O(1) | |
| 26. Remove Duplicates from Sorted Array | Easy | O(N) | O(1) | Two-pointer technique, In-place operation |
| Searching for Items in an Array | ||||
| 1346. Check If N and Its Double Exist | Easy | O(N) | O(N) | To be continued... |
| 941. Valid Mountain Array | Easy | O(N) | O(1) | |
| In-Place Operations | ||||
| 1299. Replace Elements with Greatest Element on Right Side | Easy | O(N) | O(N) | |
| 283. Move Zeroes | Easy | O(N) | O(1) | Similar to #26 |
| 905. Sort Array By Parity | Easy | O(N) | O(N) | |
| Other Techniques | ||||
| 1051. Height Checker | Easy | |||
| 414. Third Maximum Number | Easy | |||
| 448. Find All Numbers Disappeared in an Array | Easy |
| Dificulty | Time Complexity | Space Complexity | |
|---|---|---|---|
| Background | |||
| 704. Binary Search | Easy | O(logn) | O(1) |
| Template I | |||
| 69. Sqrtx | Easy | O(logn) | O(1) |
| 374. Guess Number Higher or Lower | Easy | O(logn) | O(1) |
| 33. Search in Rotated Sorted Array | Medium | O(logn) | O(1) |
| Template II | |||
| 278. First Bad Version | Easy | O(logn) | O(1) |
| 162. Find Peak Element | Medium | O(logn) | O(1) |
| 153. Find Minimum in Rotated Sorted Array | Medium | O(logn) | O(1) |
| Template III | |||
| 34. Search for a Range | Medium | O(logn) | O(1) |
| 658. Find K Closest Elements | Medium | O(logn + klogk + k) | Not finished yet |
| Dificulty | |
|---|---|
| 707. Design Linked List | Medium |
| Dificulty | |
|---|---|
| 705. Design Hash Set | Easy |
| 706. Design Hash Map | Easy |
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