2015年6月22日
[LeetCode] Basic Calculator II
摘要： The basic idea of is as follows:Maintain a dequeoperandsfor the numbers and another dequeoperationsfor the operators+, -, *,/`.Scan the expression fro... 阅读全文
posted @ 2015-06-22 23:27 jianchao-li 阅读(314) 评论(0) 推荐(0)
[POJ] Brackets Sequence
摘要： This problem can be solved elegantly using dynamic programming.We maintain two arrays:cnt[i][j] --- number of parentheses needed to add within s[i..j]... 阅读全文
posted @ 2015-06-22 17:58 jianchao-li 阅读(228) 评论(0) 推荐(0)