摘要：
DescriptionGiven a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the ma... 阅读全文
摘要：
DescriptionHere is a famous story in Chinese history."That was about 2300 years ago. General Tian Ji was a high official in the country Qi. He likes t... 阅读全文