http://acm.hdu.edu.cn/showproblem.php?pid=6440 题意:让你重新定义任意一对数的乘法和加法结果(输出乘法口诀表和加法口诀表),使得m^p+n^p==(m+n)^p(p为质数),并且存在一个0<q<p使得 q^k(0<k<p)取遍1~p-1的所有值,并且该运算是封闭的(exists an integer q(0<q<p) to make the set {qk|0<k<p,k∈Z} equal to {k|0<…
状压DP Description Squares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his 'toilet series' (where he had to use his toilet paper to draw on, for all of his paper was filled with squares…
Mondriaan's Dream Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 13519 Accepted: 7876 Description Squares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his 'toilet series…