Adobe OA 2025 | Redaction Merging & Matrix Transpose

Problem 1 - Document Redaction Overlay Bounds Problem Statement You are building a document security filter for Adobe Acrobat. You are given a list of redaction intervals where: redactions[i] = [startX, endX] represents an inclusive horizontal coverage region on a document. Your task is to merge all overlapping or touching redaction intervals and return the consolidated result sorted by starting position. If two intervals touch at their boundaries, they must also be merged. For example: [5, 12] and [12, 20] ...