The Hundred Greatest Theorems The millenium seemed to spur a lot of people to compile "Top 100" or "Best 100" lists of many things, including movies (by the American Film Institute) and books (by the Modern Library). Mathematicians wer…

转载自Matrix大牛的博客 把代码翻译成C++ http://www.matrix67.com/blog/archives/234 题目链接: http://hihocoder.com/problemset/problem/1287 一个数是素数(也叫质数),当且仅当它的约数只有两个——1和它本身.规定这两个约数不能相同,因此1不是素数.对素数的研究属于数论范畴,你可以 看到许多数学家没事就想出一些符合某种性质的素数并称它为某某某素数.整个数论几乎就围绕着整除和素数之类的词转过去转过来.对于写…

Problem Introduction The greatest common divisor \(GCD(a, b)\) of two non-negative integers \(a\) and \(b\) (which are not both equal to 0) is the greatest integer \(d\) that divides both \(a\) and \(b\). Problem Description Task.Given two integer \(…

One hundred layer Problem Description   Now there is a game called the new man down 100th floor. The rules of this game is: 1.  At first you are at the 1st floor. And the floor moves up. Of course you can choose which part you will stay in the first…

题目链接: 题目 Greatest Common Increasing Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) 问题描述 This is a problem from ZOJ 2432.To make it easyer,you just need output the length of the subsequence. 输入 Each sequen…

1. COALESCE 返回该表达式列表的第一个非空value. 格式: COALESCE(value1, value2, value3, ...) 含义: 返回value列表第一个非空的值. value列表必须是相同类型,也可以是一个表的同一行.不同列的值进行比较. EXAMPLE: select coalesce (1, null, 2 ) from dual ; -- 返回1 select coalesce ( null, 2, 1 ) from dual ; -- 返回2 select…

Greatest Number 题目描述Saya likes math, because she think math can make her cleverer.One day, Kudo invited a very simple game:Given N integers, then the players choose no more than four integers from them (can be repeated) and add them together. Finally…

题目地址:http://poj.org/problem?id=2127 Description You are given two sequences of integer numbers. Write a program to determine their common increasing subsequence of maximal possible length. Sequence S1 , S2 , . . . , SN of length N is called an increa…

题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=1423 Problem Description This is a problem from ZOJ 2432.To make it easyer,you just need output the length of the subsequence.   Input Each sequence is described with M - its length (1 <= M <= 500) and…

Greatest Common Increasing Subsequence 题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1432 题目大意:给出两串数字,求他们的最长公共上升子序列(LCIS),并且打印出来. Sample Input 1 51 4 2 5 -124-12 1 2 4 Sample Output 21 4 分析:神奇就神奇在是LIS与LCS的组合 令dp[i][j]表示A串的前i个,与B串的前j…