BOI 383
摘要:
Problem A. Ponding WaterDescriptionThere is a strange building on planet VOID. It is made up of N*Mrectangular parallelepipeds on N*M grids, whose bottom surfaces are 1*1squares. Since heights of these rectangular parallelepipeds are different,they form a number of “holes” inside the building. After 阅读全文
posted @ 2012-03-24 22:28 c语言源码 阅读(162) 评论(0) 推荐(0) 编辑