This pair of problems evaluates skills in data encoding interpretation and graph traversal, examining competency in validating byte-oriented input formats and computing shortest paths on binary matrices.

LeetCode 393. UTF-8 Validation LeetCode 1091. Shortest Path in Binary Matrix
https://leetcode.com/problems/utf-8-validation/description/ https://leetcode.com/problems/shortest-path-in-binary-matrix/description/