{"blocks": [{"key": "845755c1", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "307d7a59", "text": "Implement a string-matching function that returns the first index of a pattern in a text (akin to LeetCode 28 Implement strStr()). 2) “Dash Mart” grid path-finding: given a 2-D map with a start cell, obstacles, and target pickup cells, code a BFS to find the minimum steps to collect all required items and explain follow-up optimizations.", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "02a8b408", "text": "https://leetcode.com/problems/implement-strstr/description/", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}