随笔档案「2016年4月」 - Ritchie丶

C++中的 Round(),floor(),ceil()

摘要：2.1 2.6 -2.1 -2.6floor : 不大于自变量的最大整数 2 2 -3 -3ceil :不小于自变量的最大整数 3 3 -2 -2round:四舍五入到最邻近的整数 2 3 -2 -3需包含头文件<math.h> round可以自己写 double round(double r){ 阅读全文

posted @ 2016-04-30 23:57 Ritchie丶阅读(1262) 评论(0) 推荐(0)

HDU 5245 Joyful(概率题求期望)

摘要：D - Joyful Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status D - Joyful Submit Status Description Sakura has a very m 阅读全文

posted @ 2016-04-30 23:31 Ritchie丶阅读(586) 评论(0) 推荐(0)

poj 3071 Football (概率DP水题)

摘要：G - Football Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status G - Football Submit Status Description Consider a sing 阅读全文

posted @ 2016-04-30 18:06 Ritchie丶阅读(379) 评论(0) 推荐(0)

关于一个群号分解的最大质数的求法

摘要：今天加群遇到了这个问题，百度有在线分解质因数的计算器，附上网址。http://www.atool.org/quality_factor.php? 但是，一个ACMer要会利用百度，而不是依赖百度，这种简单的代码，自己也可以轻松搞定。阅读全文

posted @ 2016-04-28 11:15 Ritchie丶阅读(507) 评论(0) 推荐(0)

poj 3744 Scout YYF 1 (概率DP+矩阵快速幂)

摘要：F - Scout YYF I Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status F - Scout YYF I Submit Status Description YYF is a 阅读全文

posted @ 2016-04-28 09:53 Ritchie丶阅读(294) 评论(0) 推荐(0)

ACdream 1113 The Arrow (概率dp求期望)

摘要：E - The Arrow Time Limit:1000MS Memory Limit:64000KB 64bit IO Format:%lld & %llu Submit Status E - The Arrow Submit Status Description The history sho 阅读全文

posted @ 2016-04-27 20:31 Ritchie丶阅读(224) 评论(0) 推荐(0)

HDU 4334 Trouble (数组合并)

摘要：Trouble Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5681 Accepted Submission(s): 1570 Proble 阅读全文

posted @ 2016-04-25 19:34 Ritchie丶阅读(217) 评论(0) 推荐(0)

HDU 4320 Arcane Numbers 1 (数论)

摘要：A - Arcane Numbers 1 Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4320 A - Arcane Numbers 1 Submit 阅读全文

posted @ 2016-04-25 19:27 Ritchie丶阅读(209) 评论(0) 推荐(0)

HDU 4310 Hero (贪心算法)

摘要：A - Hero Time Limit:3000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4310 A - Hero Submit Status Practice HDU 4310 阅读全文

posted @ 2016-04-25 19:23 Ritchie丶阅读(421) 评论(0) 推荐(0)

HDU 3835 R(N)

摘要：R(N) Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2761 Accepted Submission(s): 1420 Problem De 阅读全文

posted @ 2016-04-25 19:15 Ritchie丶阅读(176) 评论(0) 推荐(0)

HDU 3833 YY's new problem ()

摘要：YY's new problem Time Limit: 12000/4000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 5422 Accepted Submission(s): 15 阅读全文

posted @ 2016-04-25 19:11 Ritchie丶阅读(249) 评论(0) 推荐(0)

从文件读入16进制数转化为10进制数再输出到文件中

摘要：sSN LMDscandata 1 1 B98C27 0 0 85C0 85C3 F55D73C5 F55DCC81 0 0 7 0 0 1388 168 0 1 DIST1 3F800000 00000000 DBBA0 1388 B5 136C 1373 136B 1389 1398 1356 阅读全文

posted @ 2016-04-24 11:37 Ritchie丶阅读(2792) 评论(5) 推荐(0)

UESTC 1215 (思维题旋转)

摘要：Secrete Master Plan Secrete Master Plan Time Limit: 3000/1000MS (Java/Others) Memory Limit: 65535/65535KB (Java/Others) Submit Status Master Mind Kong 阅读全文

posted @ 2016-04-23 19:55 Ritchie丶阅读(262) 评论(0) 推荐(0)

HDU2067卡特兰数

摘要：小兔的棋盘 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8819 Accepted Submission(s): 4595 Problem D 阅读全文

posted @ 2016-04-23 19:43 Ritchie丶阅读(148) 评论(0) 推荐(0)

HDU2050离散数学折线分割平面

摘要：折线分割平面 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24505 Accepted Submission(s): 16644 Proble 阅读全文

posted @ 2016-04-23 19:41 Ritchie丶阅读(464) 评论(0) 推荐(0)

HDU1717小数化分数2

摘要：小数化分数2 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4278 Accepted Submission(s): 1725 Problem 阅读全文

posted @ 2016-04-23 19:28 Ritchie丶阅读(198) 评论(0) 推荐(0)

HDU1712周期

摘要：ACboy needs your help Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5963 Accepted Submission(s) 阅读全文

posted @ 2016-04-23 19:27 Ritchie丶阅读(250) 评论(0) 推荐(0)

HDU1568斐波那契推理

摘要：http://www.cnblogs.com/Yu2012/archive/2011/10/09/2199156.html 阅读全文

posted @ 2016-04-23 19:26 Ritchie丶阅读(203) 评论(0) 推荐(0)

HDU1297 Children’s Queue (高精度+递推)

摘要：Children’s Queue Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 13333 Accepted Submission(s): 43 阅读全文

posted @ 2016-04-23 19:25 Ritchie丶阅读(462) 评论(0) 推荐(0)

HDU1286新朋友欧拉函数版

摘要：找新朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10401 Accepted Submission(s): 5493 Problem D 阅读全文

posted @ 2016-04-23 19:23 Ritchie丶阅读(472) 评论(0) 推荐(0)

HDU1267 下沙的沙子有几粒？基础DP

摘要：题目链接题意：给定m个H和n个D(1<=n,m<=20)，问这些字母构成的序列中，对于任意位置，从左开始数H的累积个数总是不比D的累计数少的排列有多少种。题解：二维DP，画一个正方形，从左上角到右下角画一条线，右上方区域就是我们所要求的。另外注意这个题的输入顺序是先输入m再输入n。虽然知道深搜阅读全文

posted @ 2016-04-23 19:22 Ritchie丶阅读(404) 评论(0) 推荐(0)

HDU1250 高精度斐波那契数列

摘要：Hat's Fibonacci Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 10568 Accepted Submission(s): 350 阅读全文

posted @ 2016-04-23 19:20 Ritchie丶阅读(437) 评论(0) 推荐(0)

HDU1130 卡特兰数

摘要：How Many Trees? Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3397 Accepted Submission(s): 1964 阅读全文

posted @ 2016-04-23 19:19 Ritchie丶阅读(209) 评论(0) 推荐(0)

HDU1009老鼠的旅行 (贪心算法)

摘要：FatMouse' Trade Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 62898 Accepted Submission(s): 212 阅读全文

posted @ 2016-04-23 19:17 Ritchie丶阅读(490) 评论(0) 推荐(0)

HDU1005&&NEFU67 没有循环节

摘要：Number Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 147161 Accepted Submission(s): 35 阅读全文

posted @ 2016-04-23 19:15 Ritchie丶阅读(194) 评论(0) 推荐(0)

HDU1004 查气球

摘要：Let the Balloon Rise Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 102132 Accepted Submission(s 阅读全文

posted @ 2016-04-23 19:14 Ritchie丶阅读(188) 评论(0) 推荐(0)

HDU1003MAX SUM (动态规划求最大子序列的和)

摘要：Max Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 206582 Accepted Submission(s): 48294 Prob 阅读全文

posted @ 2016-04-23 19:13 Ritchie丶阅读(235) 评论(0) 推荐(0)

HDU 2.1.7 (求定积分公式)

摘要：The area Problem Description Ignatius bought a land last week, but he didn't know the area of the land because the land is enclosed by a parabola and 阅读全文

posted @ 2016-04-23 19:09 Ritchie丶阅读(288) 评论(0) 推荐(0)

CodeForces - 427B (模拟题)

摘要：Prison Transfer Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description The prison of your city has n priso 阅读全文

posted @ 2016-04-23 18:55 Ritchie丶阅读(209) 评论(0) 推荐(0)

CodeForces - 427A (警察和罪犯思维题)

摘要：Police Recruits Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description The police department of your city 阅读全文

posted @ 2016-04-23 18:51 Ritchie丶阅读(339) 评论(0) 推荐(0)

CodeForces - 426B(对称图形)

摘要：Sereja and Mirroring Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Let's assume that we are given 阅读全文

posted @ 2016-04-23 18:46 Ritchie丶阅读(240) 评论(0) 推荐(0)

CodeForces - 426A(排序)

摘要：Sereja and Mugs Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Sereja showed an interesting game t 阅读全文

posted @ 2016-04-23 18:44 Ritchie丶阅读(271) 评论(0) 推荐(0)

Codeforces 424C(异或)

摘要：Magic Formulas Time Limit: 2000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description People in the Tomskaya region like m 阅读全文

posted @ 2016-04-23 18:40 Ritchie丶阅读(328) 评论(0) 推荐(0)

CodeForces - 424B (贪心算法)

摘要：Megacity Time Limit: 2000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description The administration of the Tomsk Region fir 阅读全文

posted @ 2016-04-23 18:37 Ritchie丶阅读(260) 评论(0) 推荐(0)

Codeforces 424A (思维题)

摘要：Squats Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Pasha has many hamsters and he makes them wo 阅读全文

posted @ 2016-04-23 18:36 Ritchie丶阅读(339) 评论(0) 推荐(0)

辗转相除法的证明

摘要：描述：关于辗转相除法的具体实现在这里就不具体说明了，本文要记录的是辗转相除法应用于求最大公约数的算法证明过程。假设：求m和n的最大公约数。a,b分别是m除以n的商和余数，即m=na+b。gcd(m,n)表示m和n的最大公约数。求证：gcd(m,n)=gcd(n,b) 证明：设c=gcd(m, 阅读全文

posted @ 2016-04-23 18:11 Ritchie丶阅读(517) 评论(0) 推荐(0)

CodeForces - 420A (字符对称问题)

摘要：Start Up Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Recently, a start up by two students of a 阅读全文

posted @ 2016-04-23 18:09 Ritchie丶阅读(269) 评论(0) 推荐(0)

CodeForces - 417E(随机数)

摘要：Square Table Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description While resting on the ship after the "R 阅读全文

posted @ 2016-04-23 18:05 Ritchie丶阅读(288) 评论(0) 推荐(0)

CodeForces - 417B (思维题)

摘要：Crash Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description During the "Russian Code Cup" programming com 阅读全文

posted @ 2016-04-23 18:03 Ritchie丶阅读(258) 评论(0) 推荐(0)

CodeForces - 417A(思维题)

摘要：Elimination Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description The finalists of the "Russian Code Cup" 阅读全文

posted @ 2016-04-23 18:02 Ritchie丶阅读(324) 评论(0) 推荐(0)

CodeForces - 416A (判断大于小于等于模拟题)

摘要：Guess a number! Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description A TV show called "Guess a number!" 阅读全文

posted @ 2016-04-23 18:01 Ritchie丶阅读(315) 评论(0) 推荐(0)

CodeForces - 407A

摘要：Triangle Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description There is a right triangle with legs of len 阅读全文

posted @ 2016-04-23 17:59 Ritchie丶阅读(221) 评论(0) 推荐(0)

CodeForces - 405C

摘要：Unusual Product Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Little Chris is a huge fan of linea 阅读全文

posted @ 2016-04-23 17:57 Ritchie丶阅读(205) 评论(0) 推荐(0)

CodeForces - 405A

摘要：Gravity Flip Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Little Chris is bored during his physi 阅读全文

posted @ 2016-04-23 17:04 Ritchie丶阅读(249) 评论(0) 推荐(0)

CodeForces - 404B(模拟题)

摘要：Marathon Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Valera takes part in the Berland Marathon. 阅读全文

posted @ 2016-04-23 17:03 Ritchie丶阅读(262) 评论(0) 推荐(0)

CodeForces - 404A(模拟题)

摘要：Valera and X Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Valera is a little boy. Yesterday he g 阅读全文

posted @ 2016-04-23 16:59 Ritchie丶阅读(203) 评论(0) 推荐(0)

Codeforces 390A( 模拟题)

摘要：Inna and Alarm Clock Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Inna loves sleeping very much, 阅读全文

posted @ 2016-04-23 16:55 Ritchie丶阅读(311) 评论(0) 推荐(0)

Codeforces 389B(十字模拟)

摘要：Fox and Cross Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Fox Ciel has a board with n rows and 阅读全文

posted @ 2016-04-23 16:50 Ritchie丶阅读(248) 评论(0) 推荐(0)

Codeforces 389A (最大公约数)

摘要：Fox and Number Game Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Fox Ciel is playing a game with 阅读全文

posted @ 2016-04-23 16:47 Ritchie丶阅读(307) 评论(0) 推荐(0)

Codeforces 417 C

摘要：Football Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description One day, at the "Russian Code Cup" event i 阅读全文

posted @ 2016-04-23 16:43 Ritchie丶阅读(243) 评论(0) 推荐(0)

二进制枚举

摘要：//求一个集合的子集 #include using namespace std; int main() { int n=4; int a[4]={15,20,25,30}; for(int i=0;i<(1<<n);i++) { printf("%d: ",i); for(int j=0;j<n;j++) {... 阅读全文

posted @ 2016-04-23 16:05 Ritchie丶阅读(215) 评论(0) 推荐(0)

01背包与贪心的区别

摘要：贪心法所不能解决的01背包问题即不可分割的问题01背包问题是考虑整体最优解贪心策略适用的前提是：局部最优策略能导致产生全局最优解。例题分析编辑例题1、[0-1背包问题]有一个背包，背包容量是M=150。有7个物品，物品不可以分割成任意大小。要求尽可能让装入背包中的物品总价值最大，但不能超过总容阅读全文

posted @ 2016-04-23 15:26 Ritchie丶阅读(4001) 评论(0) 推荐(1)

NEFU 1142 表哥的面包

摘要：表哥的面包表哥的面包 Problem:1142 Time Limit:1000ms Memory Limit:65535K Description 可爱的表哥遇到了一个问题，有一个长为N(1≤N≤10^18)的长条状面包，问最多可以切成几段，使得每段面包的长度互不相等且均不能围成三角形。 Inpu 阅读全文

posted @ 2016-04-21 11:09 Ritchie丶阅读(256) 评论(0) 推荐(0)

NEFU 1151 特殊的质数

摘要：特殊的质数特殊的质数 Problem:1151 Time Limit:1000ms Memory Limit:65535K Description 如果一个数是质数，而且他在质数表中的编号也是质数，称为特殊的质数。比如质数表中第7个质数是17，因为7和17都是质数，所以我们称17是特殊的质数；比如阅读全文

posted @ 2016-04-21 11:07 Ritchie丶阅读(462) 评论(0) 推荐(0)

NEFU 1146 又见A+B

摘要：又见a+b 又见a+b Problem:1146 Time Limit:1000ms Memory Limit:65535K Description 给定两个非负整数A,B,求他们的和。 Input 多组输入，每组输入两个非负整数A和B（0<=A,B<10^3000），可能会有前缀0，但保证总长度不阅读全文

posted @ 2016-04-21 11:03 Ritchie丶阅读(220) 评论(0) 推荐(0)

Light OJ 1393 Crazy Calendar (尼姆博弈)

摘要：C - Crazy Calendar Time Limit:4000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice LightOJ 1393 C - Crazy Calendar Submit St 阅读全文

posted @ 2016-04-20 22:00 Ritchie丶阅读(251) 评论(0) 推荐(0)

NEFU 2016省赛演练一 I题 (模拟题)

摘要：这题没名字这题没名字 Problem:I Time Limit:2000ms Memory Limit:65535K Problem:I Time Limit:2000ms Memory Limit:65535K Problem:I Problem:I Time Limit:2000ms Time 阅读全文

posted @ 2016-04-17 17:56 Ritchie丶阅读(190) 评论(0) 推荐(0)

NEFU 2016省赛演练一 F题 (高精度加法)

摘要：Function1 Function1 Problem:F Time Limit:1000ms Memory Limit:65535K Problem:F Time Limit:1000ms Memory Limit:65535K Problem:F Problem:F Time Limit:100 阅读全文

posted @ 2016-04-17 17:52 Ritchie丶阅读(170) 评论(0) 推荐(0)

NEFU 2016省赛演练一 B题（递推）

摘要：HK HK Problem:B Time Limit:2000ms Memory Limit:65535K Problem:B Time Limit:2000ms Memory Limit:65535K Problem:B Problem:B Time Limit:2000ms Time Limit 阅读全文

posted @ 2016-04-17 17:48 Ritchie丶阅读(237) 评论(0) 推荐(0)

Light OJ 1199 - Partitioning Game (博弈sg函数)

摘要：D - Partitioning Game Time Limit:4000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status D - Partitioning Game Submit Status Description 阅读全文

posted @ 2016-04-15 20:54 Ritchie丶阅读(453) 评论(0) 推荐(0)

LightOJ 1315 - Game of Hyper Knights（博弈sg函数）

摘要：G - Game of Hyper Knights Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status G - Game of Hyper Knights Submit Status Des 阅读全文

posted @ 2016-04-15 20:42 Ritchie丶阅读(603) 评论(0) 推荐(0)

Light OJ 1296 - Again Stone Game (博弈sg函数递推)

摘要：F - Again Stone Game Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status F - Again Stone Game Submit Status Description A 阅读全文

posted @ 2016-04-15 20:27 Ritchie丶阅读(364) 评论(0) 推荐(0)

LightOJ 1247 Matrix Game (尼姆博弈)

摘要：A - Matrix Game Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status A - Matrix Game Submit Status Description Given an m 阅读全文

posted @ 2016-04-15 11:20 Ritchie丶阅读(326) 评论(0) 推荐(0)

Light OJ 1253 Misere Nim （尼姆博弈（2））

摘要：LightOJ1253 :Misere Nim LightOJ1253 :Misere Nim 时间限制:1000MS 内存限制:32768KByte 64位IO格式:%lld & %llu 描述 Alice and Bob are playing game of Misère Nim. Misèr 阅读全文

posted @ 2016-04-13 21:52 Ritchie丶阅读(366) 评论(0) 推荐(0)

尼姆博弈

摘要：尼姆博奕（Nimm Game）：有三堆各若干个物品，两个人轮流从某一堆取任意多的物品，规定每次至少取一个，多者不限，最后取光者得胜。这种情况最有意思，它与二进制有密切关系，我们用（a，b，c）表示某种局势，首先（0，0，0）显然是奇异局势，无论谁面对奇异局势，都必然失败。第二种奇异局势是（0，n，阅读全文

posted @ 2016-04-13 21:30 Ritchie丶阅读(525) 评论(0) 推荐(0)

关于01背包问题优化的时候为什么不能正向跑

摘要：假设有两个物品第一个物品 w=2 v=1 第二个物品 w=2 v=2在将背包由二维转化为一维进行优化的时候如果正常逆序进行dpdp[1][4]=1; dp[1][2]=1; dp[2][4]=max(dp[1][4],dp[1][4-2]+2)=3; dp[2][2]=2;这是正确做法但是如果正序阅读全文

posted @ 2016-04-11 21:16 Ritchie丶阅读(343) 评论(0) 推荐(0)

HDU5072 容斥原理

摘要：G - Coprime Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5072 G - Coprime Submit Status Practice H 阅读全文

posted @ 2016-04-09 20:12 Ritchie丶阅读(426) 评论(0) 推荐(0)

HDU 4059 容斥原理+快速幂+逆元

摘要：E - The Boss on Mars Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4059 E - The Boss on Mars Submit 阅读全文

posted @ 2016-04-09 19:13 Ritchie丶阅读(319) 评论(0) 推荐(0)

POJ 3904 Sky Code (容斥原理)

摘要：B - Sky Code Time Limit:1000MS Memory Limit:65536KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 3904 B - Sky Code Submit Status Practice 阅读全文

posted @ 2016-04-04 21:12 Ritchie丶阅读(680) 评论(0) 推荐(1)

HDU 4334 Trouble （暴力）

摘要：Trouble Time Limit: 5000MS Memory Limit: 32768KB 64bit IO Format: %I64d & %I64u Submit Status Description Hassan is in trouble. His mathematics teache 阅读全文

posted @ 2016-04-04 16:31 Ritchie丶阅读(331) 评论(0) 推荐(0)

UVA 10325 The Lottery（容斥原理）

摘要：The Sports Association of Bangladesh is in great problem with their latest lottery `Jodi laiga Jai'. Thereare so many participants this time that they 阅读全文

posted @ 2016-04-04 15:49 Ritchie丶阅读(316) 评论(0) 推荐(0)

HDU 2841 Visible Trees 数论+容斥原理

摘要：H - Visible Trees Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 2841 H - Visible Trees Submit Status 阅读全文

posted @ 2016-04-04 14:01 Ritchie丶阅读(359) 评论(0) 推荐(0)

UVA11806-Cheerleaders(容斥原理+二进制)

摘要：In most professional sporting events, cheerleaders play a major role in entertaining the spectators. Theirroles are substantial during breaks and prio 阅读全文

posted @ 2016-04-03 16:45 Ritchie丶阅读(228) 评论(0) 推荐(0)

HDU1695 GCD （欧拉函数+容斥原理）

摘要：F - GCD Time Limit:3000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1695 F - GCD Submit Status Practice HDU 1695 D 阅读全文

posted @ 2016-04-03 16:43 Ritchie丶阅读(308) 评论(0) 推荐(0)

Ritchie丶

04 2016 档案

公告