THINK++ — Engineering Visualized

📖 LESSON

Problem Solving Patterns

Mastering patterns is the most efficient way to learn DSA. Once you recognize a pattern, the solution steps become predictable.

Sliding Window

Subarrays, substrings

Two Pointers

Sorted arrays, pairs

Fast & Slow Pointers

Linked lists, cycles

Merge Intervals

Overlapping intervals

Cyclic Sort

Arrays with numbers 1..N

In-place Reversal

Linked list reversal

Problem Solving Patterns

Simulation Lab v2.0

Graph Engine Ready

Timeline

1/6

Edit Mode

Speed1000ms

Double-Click to Spawn

Drag Panels to Organize

💡 Pattern Tip

Always classify every problem you solve into one of these patterns. If it doesn't fit, it might be an ad-hoc problem or a new pattern you haven't learned yet.

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