https://111qqz.com/en/tags/%E9%AB%98%E6%96%AF%E6%B6%88%E5%85%83/Recent content in 高斯消元 on 111qqz's blogHugo -- gohugo.ioen© 2015-2026 111qqzSun, 14 Aug 2016 11:33:25 +0000https://111qqz.com/en/post/acm-icpc/2016/2016-08-14-hdu-5833/Sun, 14 Aug 2016 11:33:25 +0000https://111qqz.com/en/post/acm-icpc/2016/2016-08-14-hdu-5833/<p><a href="http://acm.hdu.edu.cn/showproblem.php?pid=5833" target="_blank" rel="noreferrer">hdu 5833 题目链接</a></p> <p>题意：n个数，保证每个数的素因子不超过2000，从中取若干个，问乘积是完全平方数的方案数。</p>