April Fools Day Contest 2014 A.C.H三道题目 =================================================================== A. The Great Game 这题怎没看懂..看了官方题解真是恍然大悟啊,原来是石头剪刀布啊!!! 8< 代表剪刀啊 () 代表石头啊 [] 代表布啊 真是逆天啊,这么一说还真觉得有点像....尤其是那个剪刀. 给那个出题人的想象力跪了. /* * ===============…

H. A + B Strikes Back time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A + B is often used as an example of the easiest problem possible to show some contest platform. However, some scientis…

H - A + B Strikes Back A + B is often used as an example of the easiest problem possible to show some contest platform. However, some scientists have observed that sometimes this problem is not so easy to get accepted. Want to try? Input The input co…

D. Rosetta Problem 题目连接: http://www.codeforces.com/contest/656/problem/D Description ++++++++[>+>++>+++>++++>+++++>++++++>+++++++>++++++++>+++++++++>++++++++++>+ ++++++++++>++++++++++++>+++++++++++++>+++++++++++++…

G. You're a Professional 题目连接: http://www.codeforces.com/contest/656/problem/G Description A simple recommendation system would recommend a user things liked by a certain number of their friends. In this problem you will implement part of such a syst…

F. Ace It! 题目连接: http://www.codeforces.com/contest/656/problem/F Description Input The only line of the input is a string of 7 characters. The first character is letter A, followed by 6 digits. The input is guaranteed to be valid (for certain definit…

E. Out of Controls 题目连接: http://www.codeforces.com/contest/656/problem/E Description You are given a complete undirected graph. For each pair of vertices you are given the length of the edge that connects them. Find the shortest paths between each pa…

C. Without Text 题目连接: http://www.codeforces.com/contest/656/problem/C Description You can preview the image in better quality by the link: http://assets.codeforces.com/files/656/without-text.png Input The only line of the input is a string (between 1…

B. Scrambled 题目连接: http://www.codeforces.com/contest/656/problem/B Description Btoh yuo adn yuor roomatme lhoate wianshg disehs, btu stlil sdmoeboy msut peorrfm tihs cohre dialy. Oen dya yuo decdie to idourtcne smoe syestm. Yuor rmmotaoe sstgegus teh…

A. Da Vinci Powers 题目连接: http://www.codeforces.com/contest/656/problem/A Description The input contains a single integer a (0 ≤ a ≤ 35). Input Output a single integer. Output In the first line print "YES" (without quotes), if Polycarpus can perf…