Question

How to create a two dimensional (2D) array and initialize the array with specific number in C#

Answer 1

using System;

class Program
{
    static void Main() {
        int rows = 3, cols = 4;
        int[, ] arr = new int[rows, cols];
        
        for (int i = 0; i < rows * (cols + 1); i++) 
            arr[i % rows, i / cols] = -1; 
        
        for (int i = 0; i < rows; i++) {
            for (int j = 0; j < cols; j++) {
                 Console.Write("{0} ", arr[i, j]);
            }
            Console.WriteLine();
        }
    }
}




/*
run:

-1 -1 -1 -1 
-1 -1 -1 -1 
-1 -1 -1 -1 

*/

 

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