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01. Matrix Variant A
01. Matrix Variant B
01. Matrix Variant C
01. Matrix Variant D
02. Maximal Sum of Square
03. Longest sequence of equal strings
04. Largest number using Binary Search
05. Sort strings by its length
06. Create class Matrix
07. Largest area of equal elements
02. Multidimensional Arrays.sln
02. Multidimensional Arrays.zip
Multidimensional-Arrays.pptx
largest_area.png
matrices.png
neighbours.png

## Multidimensional Arrays

1. Write a program that fills and prints a matrix of size `N`x`N` as shown below: (examples for N = 4)

1. Write a program that reads a rectangular matrix of size `N`x`M` and finds in it the square 3x3 that has maximal sum of its elements.
• We are given a matrix of strings of size `N`x`M`. Sequences in the matrix we define as sets of several neighbor elements located on the same line, column or diagonal. Write a program that finds the longest sequence of equal strings in the matrix. Example:

1. Write a program, that reads from the console an array of `N` integers and an integer `K`, sorts the array and using the method `Array.BinarySearch()` finds the largest number in the array which is <= K.
• You are given an array of strings. Write a method that sorts the array by the length of its elements (the number of characters composing them).
• * Write a class Matrix to hold a matrix of integers. Overload the operators for adding, subtracting and multiplying of matrices, indexer for accessing the matrix content and `ToString()`.
• * Write a program that finds the largest area of equal neighbor elements in a rectangular matrix and prints its size. Example:

Hint: you can use the algorithm "Depth-first search" or "Breadth-first search".

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