How many ways Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5422 Accepted Submission(s): 3185 Problem Description 这是一个简单的生存游戏,你控制一个机器人从一个棋盘的起始点(1,1)走到棋盘的终点(n,m).游戏的规则描述如下:1.机器人一开始在棋盘的起始点并有起…
不要62 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 25802 Accepted Submission(s): 8967 Problem Description 杭州人称那些傻乎乎粘嗒嗒的人为62(音:laoer).杭州交通管理局经常会扩充一些的士车牌照,新近出来一个好消息,以后上牌照,不再含有不吉利的数字了,这样一来,就可以…
题意:有一队人(人数 ≥ 1),开头一个人要将消息传到末尾一个人那里,规定每次最多可以向后传n个人,问共有多少种传达方式. 这道题我刚拿到手没有想过 DP ,我觉得这样传消息其实很像 Fibonacci 所举的例子:一个人每次能够跨一或二阶台阶,问到 n 阶台阶有几种跨法.理念是一样的,只不过跨得台阶数可能会变而已.根据 Fibonacci 数列类比过来,每次最多能传 m 人,则 A [ i ] = A [ i - m ] + A [ i - m + 1 ] + …… + A [ i - 1…
The mook jong Accepts: 506 Submissions: 1281 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述 ZJiaQ为了强身健体,决定通过木人桩练习武术.ZJiaQ希望把木人桩摆在自家的那个由1*1的地砖铺成的1*n的院子里.由于ZJiaQ是个强迫症,所以他要把一个木人桩正好摆在一个地砖上,由于木人桩手比较长,所以两个木人桩之间地砖必须大于等…
Catching the Thief Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 653 Accepted Submission(s): 359 Problem Description In the Qingshui Village, there's a clever thief and a cleverer police. …
折线分割平面 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 31105 Accepted Submission(s): 21012 Problem Description 我们看到过很多直线分割平面的题目,今天的这个题目稍微有些变化,我们要求的是n条折线分割平面的最大数目.比如,一条折线可以将平面分成两部分,两条折线最多可以将平面…
数 位 D P 开 long long 首先第一问是转化. 于是就可以二进制下DP了. 第二问是递推,假设最后$n-1$个01位的填法设为$f[i-1]$(方案包括0),于是有fib数列递推关系(很好推),然后矩阵快速幂即可. 一开始思路有点乱,导致边界初始化屡次出错. WA1:见标题赤字. WA2:初始化写错了... #include<iostream> #include<cstdio> #include<cstring> #inc…
Computer Transformation Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4561 Accepted: 1738 Description A sequence consisting of one digit, the number 1 is initially written into a computer. At each successive time step, the computer simul…
Security Check Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others) Problem Description In airport of Bytetown, there are two long queues waiting for security check. Checking a person needs one minute, and two queues…
(If you smiled when you see the title, this problem is for you ^_^) For those who don’t know KTV, see: http://en.wikipedia.org/wiki/Karaoke_box There is one very popular song called Jin Ge Jin Qu(). It is a mix of 37 songs, and is extremely long (11…
Tickets Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 972 Accepted Submission(s): 495 Problem Description Jesus, what a great movie! Thousands of people are rushing to the cinema. However,…
汉诺塔II Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4529 Accepted Submission(s): 2231 Problem Description 经典的汉诺塔问题经常作为一个递归的经典例题存在.可能有人并不知道汉诺塔问题的典故.汉诺塔来源于印度传说的一个故事,上帝创造世界时作了三根金刚石柱子,在一根柱子上从下往…
C. Multiplicity time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output You are given an integer array a1,a2,…,an . The array b is called to be a subsequence of a if it is possible to remove some…