# N D Array N D array consists of a sequence of elements. And the elements can be laid out in a rectangular grid rather than a line. ## The techniques related to the N D array * Simulation technique * Diagonal traversal technique And here are programming techniques related to the N D array: * Boundary check All of these techniques have a basic requirement that the array's edge case must be handled properly. So, you need to know how to handle the edge case of the array. And then do more practice. The N D array part should be ok. ## Questions * [Diagonal Traverse](https://leetcode.com/problems/diagonal-traverse/) * [Spiral Matrix](https://leetcode.com/problems/spiral-matrix/) * [Pascal's Triangle](https://leetcode.com/problems/pascals-triangle/) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://aisuko.gitbook.io/wiki/freesoftware/algorithm/nd_array.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.