Problem Solving In Data Structures & Algorithms... Now

Finding subarrays or substrings (e.g., "Longest substring without repeating characters").

Before writing a single line, clarify the input size. Is 10610 to the sixth power ? This tells you if an solution is acceptable or if you must aim for Problem Solving in Data Structures & Algorithms...

— Donald Knuth

Look for redundant work. Are you recalculating the same value? (Use Dynamic Programming ). Are you searching linearly? (Use Binary Search or a Hash Map ). 2. The Mental Toolkit (Pattern Recognition) Finding subarrays or substrings (e

Don't jump straight into your IDE. Professional problem solving follows a structured sequence: Finding subarrays or substrings (e.g.