f*******e
发帖数: 3 | 1 many students, many courses, both dynamically growing.
design a data structure so that you can easily find out:
all the students who are taking a certain course, and
all the courses a certain student takes. | l*****8
发帖数: 1083 | 2 HashMap + HashMap
【在 f*******e 的大作中提到】
: many students, many courses, both dynamically growing.
: design a data structure so that you can easily find out:
: all the students who are taking a certain course, and
: all the courses a certain student takes.
| j******o
发帖数: 4219 | | x*****a
发帖数: 610 | 4 如何使得col和row都能dynamic grow?
ArrayList 如何？
【在 j******o 的大作中提到】
: 2-D arraylist?
| n*******s
发帖数: 17267 | |
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