Practice real interview problems from Millennium
| Status | Title | Solution | Practice | Difficulty | Companies | Topics |
|---|---|---|---|---|---|---|
| 20. Valid Parentheses | Solution | Solve | Easy | Accenture+116 | ||
| 49. Group Anagrams | Solution | Solve | Medium | Accolite+88 | ||
| 56. Merge Intervals | Solution | Solve | Medium | Accenture+108 | ||
| 98. Validate Binary Search Tree | Solution | Solve | Medium | Amazon+17 | ||
| 121. Best Time to Buy and Sell Stock | Solution | Solve | Easy | Accenture+90 | ||
| 139. Word Break | Solution | Solve | Medium | Amazon+31 | ||
| 301. Remove Invalid Parentheses | Solution | Solve | Hard | Amazon+9 | ||
| 437. Path Sum III | Solution | Solve | Medium | Amazon+9 | ||
| 622. Design Circular Queue | Solution | Solve | Medium | Amazon+20 | ||
| 2484. Count Palindromic Subsequences | Solution | Solve | Hard | Amazon+11 | ||
| 2603. Collect Coins in a Tree | Solution | Solve | Hard | Cisco+11 |
