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: Cyclic Sort , Find the Missing Number , Find all Duplicate Numbers . 6. In-place Reversal of a Linked List

The problem asks for a subarray, substring, or consecutive elements matching a specific condition (e.g., maximum sum, longest substring without repeating characters). grokking+the+coding+interview+github+pdf+full

Instead of recalculating the entire window from scratch for every position, you slide a window by adding the next element and removing the trailing element. 2. Two Pointers : Cyclic Sort , Find the Missing Number