the note will be written in c# code. Q 2: River Lengths It gives you two potentially unequal height and width, containin

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the note will be written in c# code.
Q 2: River Lengths
It gives you two potentially unequal height and width, containing
only 0's and 1's.
A dimensional array (matrix) is given. Each 0 represents land and
each 1 represents a section of a river.
A river is any number of horizontally or vertically adjacent (but
not diagonally adjacent)
It consists of 1. The number of adjacent 1s that make up a river
determines its size.
Remember that a river can bend. In other words, a straight vertical
line or a straight horizontal line.
it doesn't have to be; For example, it can be L-shaped.
Write a method that returns an array of the sizes of all rivers
represented in the input matrix.
The dimensions do not have to be in any particular order.
Example Input
matrix = [
[1, 0, 0, 1, 0],
[1, 0, 1, 0, 0],
[0, 0, 1, 0, 1],
[1, 0, 1, 0, 1],
[1, 0, 1, 1, 0],
]
Sample Output
[1, 2, 5] // Numbers can be sorted differently.
public static List<int> RiverLengths(int[,] matrix) {
// Write your code here.
return new List<int>();
}
The 5 different rivers on the matrix are shown in different
colors.
The length of 3 rivers is 2 units, the length of 1 river is 1 unit,
other
The length of the river is 5 units.