lightoj 1010 Knights in Chessboard 链接:http://lightoj.com/volume_showproblem.php?problem=1010 题意:国际象棋规则,在 m*n 的格子放某一棋子,棋子可以沿着它的8个方位直走,问盘子可以放多少个这样的棋子而使任意两个不发生冲突. 思路:数学水题,找下算出几组,找下规律就出来了.值得注意的是有特判. 代码: #include <iostream> #include <cstdio> #inclu…

题意:有C个人,给P个食物,每人吃Q个,剩L个.然后给你P和L(Q>L),让你求Q的可能情况,如果有多种可能,从小到大输出:如果不存在,输出impossible 就是求写出公式 遍历c求P-L的因子就出来了 用set 正好 #include <iostream> #include <cstdio> #include <sstream> #include <cstring> #include <map> #include <set>…

LINK 题意:给出1~n数字的排列,求变为递增有序的最小交换次数 思路:水题.数据给的很小怎么搞都可以.由于坐标和数字都是1~n,所以我使用置换群求循环节个数和长度的方法. /** @Date : 2017-07-20 14:45:30 * @FileName: LightOJ 1166 贪心 或 置换群 水题.cpp * @Platform: Windows * @Author : Lweleth (SoungEarlf@gmail.com) * @Link : https://github…

http://www.lightoj.com/volume_showproblem.php?problem=1065 题意:给出递推式f(0) = a, f(1) = b, f(n) = f(n - 1) +f(n - 2) 求f(n) 思路:给出了递推式就是水题. /** @Date : 2016-12-17-15.54 * @Author : Lweleth (SoungEarlf@gmail.com) * @Link : https://github.com/ * @Version : *…

1112 - Curious Robin Hood PDF (English) Statistics Forum Time Limit: 1 second(s) Memory Limit: 64 MB Robin Hood likes to loot rich people since he helps the poor people with this money. Instead of keeping all the money together he does another trick.…

u Calculate e Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 28686    Accepted Submission(s): 12762 Problem Description A simple mathematical formula for e is where n is allowed to go to infini…

A. Infinite Sequence 题目连接: http://www.codeforces.com/contest/622/problem/A Description Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is wr…

D - 楼下水题 Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1258 Description A string is said to be a palindrome if it remains same when read backwards. So, 'abba', 'madam' both are palindromes,…

以下是poj百道水题,新手可以考虑从这里刷起 搜索1002 Fire Net1004 Anagrams by Stack1005 Jugs1008 Gnome Tetravex1091 Knight Moves1101 Gamblers1204 Additive equations 1221 Risk1230 Legendary Pokemon1249 Pushing Boxes 1364 Machine Schedule1368 BOAT1406 Jungle Roads1411 Annive…

Nasty Hacks Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3049    Accepted Submission(s): 2364 Problem Description You are the CEO of Nasty Hacks Inc., a company that creates small pieces of…