摘要: HDU1496 Equations Problem Description Consider equations having the following form: a x1^2+b x2^2+c x3^2+d x4^2=0 a, b, c, d are integers from the int 阅读全文
posted @ 2018-09-18 16:11 caomp 阅读(189) 评论(0) 推荐(0)