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[LeetCode] Decode Ways(DP)
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message con...
分类:其他好文   时间:2014-08-13 12:38:26    阅读次数:225
HDU-1067-Gap(BFS+HASH)
Problem Description Let's play a card game called Gap. You have 28 cards labeled with two-digit numbers. The first digit (from 1 to 4) represents the suit of the card, and the second digit (from 1 ...
分类:其他好文   时间:2014-08-12 10:24:14    阅读次数:379
HDU 1058 Humble Numbers(DP,数)
题意 所有只能被2,3,5,7这4个素数整除的数称为Humble Number 输入n 输出第n个Humble Number 1是第一个humble number 对于一个Humble Number a 有2*a,3*a,5*a,7*a都是Humble Number 可以以1为基数 依次展开即可得到一定范围内的Humble Number 用i,j,k,l分别记录 2,3,5,7分别乘到了第几个Humble Number 当前在计算第cnt个Humble Number 那么有 hum[c...
分类:其他好文   时间:2014-08-12 10:20:23    阅读次数:202
[LeetCode] Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example, [1,1,2] have the following unique pe...
分类:其他好文   时间:2014-08-12 10:17:03    阅读次数:142
UVA471- Magic Numbers
题目链接 题意:s1/s2=N,s1、s2、N都是各个位数上数字不相同的整数。给定N,求有多少个这样的式子并输出。 思路:其实最大的数只能是9876543210,所以我们只要暴力枚举,枚举过程中判断s1、s2是否符合题目要求。 #include #include #include #include #include using namespace std;...
分类:其他好文   时间:2014-08-11 21:21:33    阅读次数:290
UVA 10474:Where is the Marble?(STL初步)
Where is the Marble?  Raju and Meena love to play with Marbles. They have got a lot of marbles with numbers written on them. At the beginning, Raju would place the marbles one after ano...
分类:其他好文   时间:2014-08-11 17:53:02    阅读次数:291
leetcode 刷题之路 77 Permutations II
Given a collection of numbers that might contain duplicates, return all possible unique permutations. For example, [1,1,2] have the following unique permutations: [1,1,2], [1,2,1], and [2,1...
分类:其他好文   时间:2014-08-11 17:49:32    阅读次数:201
11582 - Colossal Fibonacci Numbers!
f (0) = 0 and f (1) = 1f (i+2) = f (i+1) + f (i)  for every i ≥ 0 Sample input three integers a,b,n where 0 ≤ a,b 64 (a and b will not both be zero) and 1 ≤ n ≤ 1000. T a  b  n  ...
分类:其他好文   时间:2014-08-11 12:02:42    阅读次数:220
hdu 1018 Big Number
Problem DescriptionIn many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of...
分类:其他好文   时间:2014-08-11 11:52:02    阅读次数:197
ZOJ2599:Graduated Lexicographical Ordering(非常经典的数位DP)
Consider integer numbers from 1 to n. Let us call the sum of digits of an integer number its weight. Denote the weight of the number x as w(x). Now let us order the numbers using so called graduated ...
分类:其他好文   时间:2014-08-10 18:47:20    阅读次数:406
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