202006-2 sparse vector

subject Sparse vector Title screenshot: ![image-20211201234641418](C:\Users\long yongcheng\AppData\Roaming\Typora\typora-user-images\image-20211201234641418.png) thinking 60 point answer My first idea is to open a two-dimensional array, which is equivalent to opening a two-dimensional table with two rows and many columns (why do you say many co ...

Posted by ducey on Fri, 03 Dec 2021 07:16:54 -0800