Ruby 从一维数组怎样构建基于他取模的二位数组
比如说
arr = [1,2,3,4,5,6,7,8,9,10]
# 得到如下数组
arr_per_four = [
[1,2,3,4],
[5,6,7,8],
[9,10]
]
# 或者如下
arr_per_three = [
[1,2,3],
[4,5,6],
[7,8,9],
[10]
]
请问怎么最简单？
比如说
arr = [1,2,3,4,5,6,7,8,9,10]
# 得到如下数组
arr_per_four = [
[1,2,3,4],
[5,6,7,8],
[9,10]
]
# 或者如下
arr_per_three = [
[1,2,3],
[4,5,6],
[7,8,9],
[10]
]
请问怎么最简单？