poj1007
摘要：
DescriptionOne measure of ``unsortedness'' in a sequence is the number of pairs of entries that are out of order with respect to each other. For instance, in the letter sequence ``DAABEC'', this measure is 5, since D is greater than four letters to its right and E is greater than one 阅读全文
posted @ 2011-11-28 13:06 mydjm 阅读(147) 评论(0) 推荐(0) 编辑
