2015年1月4日
摘要: Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon... 阅读全文
posted @ 2015-01-04 23:05 Chris兔的小佳佳 阅读(123) 评论(0) 推荐(0)
摘要: Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum of ... 阅读全文
posted @ 2015-01-04 20:49 Chris兔的小佳佳 阅读(116) 评论(0) 推荐(0)