80% questions comes from 15 patterns Like Sliding window, Tree Search (BFS & DFS), KILLS AND RECURSION
- Learn patterns, not code
- Extensively comment my solutions
- Use tiered system to 'give up'
If i cannt solve it at first then I will go to hints.
If everthing fails then go to answer then go line by line. Check one line then try to solve it on my own code editor.