摘要: 原题链接 考察:思维 思路: \(a^2+b^2=c^2\) \(a^2 = c^2-b^2 = (c+b)(c-b)\) \(令c+b = a^2 ,c-b = 1则\) \(c = \frac{a^2+1}{2} , b = \frac{a^2-1}{2}\) 此时分5种情况: (1) n = 阅读全文
posted @ 2021-07-01 10:56 acmloser 阅读(45) 评论(0) 推荐(0) 编辑