#array-of-arrays

Jagged Array

Jagged Array A jagged array stores a collection of rows where each row can have a different length. It is usually represented as an array of arrays. You use it when the data is grouped by row, but each group may contain a different number of elements. Problem Given a jagged array $A$, support reading and writing an element at row $i$ and column $j$ where: $$ 0 \le i...