摘要： Problem Description background:Philip likes to play the QQ game of Snooker when he wants a relax, though he was just a little vegetable-bird. Maybe yo 阅读全文

摘要： Problem Description 据说在很久很久以前，可怜的兔子经历了人生中最大的打击——赛跑输给乌龟后，心中郁闷，发誓要报仇雪恨，于是躲进了杭州下沙某农业园卧薪尝胆潜心修炼，终于练成了绝技，能够毫不休息得以恒定的速度(VR m/s)一直跑。兔子一直想找机会好好得教训一下乌龟，以雪前耻。最近正 阅读全文

摘要： Problem Description Given a sequence 1,2,3,......N, your job is to calculate all the possible sub-sequences that the sum of the sub-sequence is M. Inp 阅读全文

摘要： Problem Description There must be many A + B problems in our HDOJ , now a new one is coming.Give you two hexadecimal integers , your task is to calcul 阅读全文

摘要： Problem Description Given two rectangles and the coordinates of two points on the diagonals of each rectangle,you have to calculate the area of the in 阅读全文

摘要： Problem Description we define f(A) = 1, f(a) = -1, f(B) = 2, f(b) = -2, ... f(Z) = 26, f(z) = -26;Give you a letter x and a number y , you should outp 阅读全文

摘要： Problem Description Give you two numbers A and B, if A is equal to B, you should print "YES", or print "NO". Input each test case contains two numbers 阅读全文

摘要： Problem Description There are many lamps in a line. All of them are off at first. A series of operations are carried out on these lamps. On the i-th o 阅读全文

摘要： Problem Description Give you the width and height of the rectangle,darw it. Input Input contains a number of test cases.For each case ,there are two n 阅读全文

摘要： Problem Description Give you a number on base ten,you should output it on base two.(0 < n < 1000) Input For each case there is a postive number n on b 阅读全文