challenge-1

Spirally traversing a matrix

The original challenge description can be found here

Description

Given a 2D matrix of size M*N. Traverse and print the matrix in spiral form.

Input

• Array of values
• Dimension M (number of rows)
• Dimension N (number of columns)

Output

Elements when travelled in Spiral form, will be displayed in a single line.

Constraints:

1 <=T<= 100

2 <= M, N <= 10

0 <= Ai <= 100

Example:

Input:
  Array: [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16]
  M: 4
  N: 4

Output:
  [1 2 3 4 8 12 16 15 14 13 9 5 6 7 11 10]