一进门 就已经有4个人坐在sofa等. 其中两个国人.问了一下都是来面试的. (Other两
人穿西装的应该是面Sales)
共面４个人 前三个人直接考题在白板写． 面试前连我的履历都没看过．
第四个人有看过我的履历
#1考古题http://www.mitbbs.com/article_t/JobHunting/33007237.html
#2考古题http://www.mitbbs.com/article_t/JobHunting/32931597.html
#3
String “abaca”
has following prefixes
a
ab
aba
abac
abaca
has following surfixes
a
ca
aca
baca
abaca
Calculate how many prefixes have the same distinct chars as the surfixes
For exmple
[Prefixes => distinct chars]
a => a
ab => ab
aba => ab
abac => abc
abaca =>abc
[Surfixes => distinct chars]
a => a
ca => ac
aca => ac
baca => abc
abaca => abc
详细内容有些忘记．
解法是 从左走到右 每走一步用HashSet.Add new char看是否为新char
从右走到左 每走一步用HashSet.Add new char看是否为新char
刁难人的题
第一位是老外． 其他都是三哥．
