摘要: POJ 1681 Painter's Problem(高斯消元) Description There is a square wall which is made of n*n small square bricks. Some bricks are white while some bricks 阅读全文
posted @ 2016-06-16 18:25 茶飘香~ 阅读(193) 评论(0) 推荐(0) 编辑