题目描述: 给定一篇由大写字母、小写字母、逗号、句号组成的文章,求使文章不合法的字母数。 文章不合法有2种情况: 1.句子的第一个字母用了小写。 2.不是单词的首字母用了大写。 代码及注解如下: # coding=utf-8class Solution:"""@param s: the article@return: the number of letters that are ill
Image life as a game in which you are playing some five balls in the air. You name them—work, family, health, friends and spirit, and you’re keeping all these balls in the air. You understand that w
题目 一篇文章在打印k个需花费 m是常数,问最少花费多少就可以打完一篇文章 分析 对于 x 1 < x x1<x x1<x and x 2 < x x2<x x2<x 可得 d p [ x ] = d p [ x 1 ] + ( s u m [ x ] − s u m [ x 1 − 1 ] ) 2 + m dp[x]=dp[x1]+(sum[x]-sum[x
为了方便投稿,我将我已经知道的曾发表过蚁群算法方面论文的国外杂志作了一个列表: (红色为杂志名称,黑色为论文名称) IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics The Hyper-Cube Framework for Ant Colony Optimization Ant system: