Example output for phone tech screen question

multiples-grid.md

1	2	3	4	5	6	7	8	9	10
2	4	6	8	10	12	14	16	18	20
3	6	9	12	15	18	21	24	27	30
4	8	12	16	20	24	28	32	36	40
5	10	15	20	25	30	35	40	45	50
6	12	18	24	30	36	42	48	54	60
7	14	21	28	35	42	49	56	63	70
8	16	24	32	40	48	56	64	72	80
9	18	27	36	45	54	63	72	81	90
10	20	30	40	50	60	70	80	90	100

Or a smaller one

1	2	3	4
2	4	6	8
3	6	9	12
4	8	12	16
5	10	15	20
6	12	18	24

i.e

1x1	1x2	1x3	1x4
2x1	2x2	2x3	2x4
3x1	3x2	3x3	3x4
4x1	4x2	4x3	4x4
etc

places to run it

• https://www.onlinegdb.com/online_csharp_compiler - copes with infinite loops, can be stopped mid execution
• https://dotnetfiddle.net/ - locks up if you create an infinite loop
• more https://www.reddit.com/r/csharp/comments/sl9bk0/c_online_which_tool_do_you_prefer/
• https://coderpad.io/platform/coding-interviews/

no tabs

/*
1   2   3   4
2   4   6   8
3   6   9   12
4   8   12   16
5   10   15   20
6   12   18   24
*/