2018年9月2日
1105 Spiral Matrix（25 分）
摘要： This time your job is to fill a sequence of N positive integers into a spiral matrix in non-increasing order. A spiral matrix is filled in from the fi 阅读全文
posted @ 2018-09-02 16:44 王清河 阅读(819) 评论(0) 推荐(0)
1104 Sum of Number Segments（20 分）
摘要： Given a sequence of positive numbers, a segment is defined to be a consecutive subsequence. For example, given the sequence { 0.1, 0.2, 0.3, 0.4 }, we 阅读全文
posted @ 2018-09-02 11:13 王清河 阅读(799) 评论(0) 推荐(0)
1101 Quick Sort（25 分
摘要： There is a classical process named partition in the famous quick sort algorithm. In this process we typically choose one element as the pivot. Then th 阅读全文
posted @ 2018-09-02 11:09 王清河 阅读(458) 评论(0) 推荐(0)