摘要: 1. 若 \gcd(a,b)=1gcd(a,b)=1 ,求k(max)≠ma+nb(k,a,b,m,n为正整数) k(max)=ab-a-b 小学奥数。应用:[USACO4.1]麦香牛块Beef McNuggets https://www.luogu.org/problemnew/show/P273 阅读全文
posted @ 2018-06-05 18:28 Myrcella 阅读(111) 评论(0) 推荐(0)