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├── DataType/ # Tutorials and examples on built-in data types ├── array/ # Demonstrations of one- and multi-dimensional arrays ├── control_statement/ # if, else, switch, loops (for, while, do-while) ...

Use two pointers to solve array-related problems efficiently. Typically used with sorted arrays or linked lists. Intuition: Instead of using nested loops (O(n²)), maintain two pointers that move ...