Get a Strong Hold
| ID | Problem | Difficulty | Section | Sheets |
|---|---|---|---|---|
| 2862 | Recursive Implementation of atoi() | Medium | Get a Strong Hold | A2Z |
| 2855 | Pow(x, n) | Easy | Get a Strong Hold | A2Z SDE |
| 222 | Count Good Numbers | Medium | Get a Strong Hold | A2Z |
| 2858 | Sort a stack using recursion | Medium | Get a Strong Hold | A2Z |
| 901 | Reverse a Stack | Medium | Get a Strong Hold | A2Z |
Subsequences Pattern
| ID | Problem | Difficulty | Section | Sheets |
|---|---|---|---|---|
| 493 | Generate Binary Strings Without Consecutive 1s | Medium | Subsequences Pattern | A2Z |
| 876 | Generate Parentheses | Medium | Subsequences Pattern | A2Z |
| 878 | Power Set | Medium | Subsequences Pattern | A2Z |
| 2400 | Learn All Patterns of Subsequences (Theory) | Easy | Subsequences Pattern | A2Z |
| 880 | Count all subsequences with sum K | Easy | Subsequences Pattern | A2Z |
| 879 | Check if there exists a subsequence with sum K | Easy | Subsequences Pattern | A2Z |
| 864 | Combination Sum | Medium | Subsequences Pattern | A2Z SDE B75 |
| 865 | Combination Sum II | Medium | Subsequences Pattern | A2Z SDE |
| 867 | Subsets I | Medium | Subsequences Pattern | A2Z |
| 868 | Subsets II | Medium | Subsequences Pattern | A2Z SDE |
| 866 | Combination Sum III | Medium | Subsequences Pattern | A2Z |
| 875 | Letter Combinations of a Phone Number | Hard | Subsequences Pattern | A2Z |
| 2805 | Subset Sums | Hard | Subsequences Pattern | SDE |
| 2856 | Power Set (this is very important) | Medium | Subsequences Pattern | SDE |
Trying out all Combos / Hard
| ID | Problem | Difficulty | Section | Sheets |
|---|---|---|---|---|
| 871 | Palindrome partitioning | Hard | Trying out all Combos / Hard | A2Z SDE |
| 874 | Word Search | Hard | Trying out all Combos / Hard | A2Z B75 |
| 870 | N Queen | Hard | Trying out all Combos / Hard | A2Z SDE |
| 872 | Rat in a Maze | Hard | Trying out all Combos / Hard | A2Z SDE |
| 4 | Word Break | Medium | Trying out all Combos / Hard | A2Z SDE B75 |
| 869 | M Coloring Problem | Hard | Trying out all Combos / Hard | A2Z SDE |
| 873 | Sudoku Solver | Hard | Trying out all Combos / Hard | A2Z SDE |
| 3 | Expression Add Operators | Hard | Trying out all Combos / Hard | A2Z |
| 818 | Permutation Sequence | Medium | Trying out all Combos / Hard | SDE |
| 821 | Permutations of a String | Medium | Trying out all Combos / Hard | SDE |
| 2757 | Word Break (print all ways) | Medium | Trying out all Combos / Hard | SDE |