The input is a number
n. Print an array of size
n by
n, in which the lines with even indices contain 1, and the rest — zeros.
Examples
| # |
Input |
Output |
| 1 |
5 |
[[1 1 1 1 1]
[0 0 0 0 0]
[1 1 1 1 1]
[0 0 0 0 0]
[1 1 1 1 1]] |
Запрещенные операторы:if;for;while;do