pid=5288">http://acm.hdu.edu.cn/showproblem.php?pid=5288 Problem Description OO has got a array A of size n ,defined a function f(l,r) represent the number of i (l<=i<=r) , that there's no j(l<=j<=r,j<>i) satisfy ai mod aj=0,now…
pid=5379">http://acm.hdu.edu.cn/showproblem.php? pid=5379 Problem Description Little sun is an artist. Today he is playing mahjong alone. He suddenly feels that the tree in the yard doesn't look good. So he wants to decorate the tree.(The tree has…
Painter Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 895 Accepted Submission(s): 408 Problem Description Mr. Hdu is an painter, as we all know, painters need ideas to innovate , one day,…
For each test case, in the first line, you should print the maximum sum. In the next line you should print a string consisting of "L","R","U" and "D", which represents the path you find. If you are in the cell (x,y)…
Problem Description In this problem, we should solve an interesting game. At first, we have an integer n, then we begin to make some funny change. We sum up every digit of the n, then insert it to the tail of the number n, then let the new number be…