摘要: There is an equation ax + by + c = 0. Given a,b,c,x1,x2,y1,y2 you must determine, how many integer roots of this equation are satisfy to the following 阅读全文
posted @ 2018-05-09 21:00 行远山 阅读(305) 评论(0) 推荐(0) 编辑