s**x 发帖数: 7506 | 1 1)OO 设计题,简单化的21点,两个 player, A 算一点或 11 点。
搞砸了,focus too much on class design instead of computation.
2) google search hint problem, how to store.
not sure the standard answer, 不过可能偶算可以。
3) key/value pair + LRU caching problem, 问什么样的数据结构。
偶给了hash+double linked list, 然后人家问多线程怎么办,就傻眼了。
4) c++ question,
Foo *p = (Foo *)malloc(sizeof(Foo));
p->Foo();
can you do things like this? he insists it is correct, I said you have to use placement new. :(
| d*******d 发帖数: 2050 | 2 报告一下,第四题,你是对的,编译器都不让过.
【在 s**x 的大作中提到】 : 1)OO 设计题,简单化的21点,两个 player, A 算一点或 11 点。 : 搞砸了,focus too much on class design instead of computation. : 2) google search hint problem, how to store. : not sure the standard answer, 不过可能偶算可以。 : 3) key/value pair + LRU caching problem, 问什么样的数据结构。 : 偶给了hash+double linked list, 然后人家问多线程怎么办,就傻眼了。 : 4) c++ question, : Foo *p = (Foo *)malloc(sizeof(Foo)); : p->Foo(); : can you do things like this? he insists it is correct, I said you have to use placement new. :(
| E***a 发帖数: 297 | | d*******d 发帖数: 2050 | 4 编译器说:error: invalid use of 'class Foo' | h*********n 发帖数: 11319 | 5 为啥呢?
【在 d*******d 的大作中提到】 : 报告一下,第四题,你是对的,编译器都不让过.
|
|