※ 引述《RockLee (Now of all times)》之铭言: 原始网址: http://www.careercup.com/question?id=14539805 题目: Three strings say A, B, C are given to you. Check weather 3rd string is interleaved from string A and B. Ex: A="abcd" B="xyz" C="axybczd". answer is yes. o(n)