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[leetcode]Triangle
TriangleGiven a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given...
分类:其他好文   时间:2014-07-22 22:47:52    阅读次数:230
Two Sum leetcode java
题目:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the tw....
分类:编程语言   时间:2014-07-22 22:47:33    阅读次数:256
POJ 3280 Cheapest Palindrome(DP)
题目链接题意 :给你一个字符串,让你删除或添加某些字母让这个字符串变成回文串,删除或添加某个字母要付出相应的代价,问你变成回文所需要的最小的代价是多少。思路 :DP[i][j]代表的是 i 到 j 这一段位置变成回文所需的最小的代价。 1 //3280 2 #include 3 #include ....
分类:其他好文   时间:2014-07-22 22:46:35    阅读次数:217
【leetcode刷题笔记】Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:其他好文   时间:2014-07-22 22:40:36    阅读次数:238
[ACM] POJ 3252 Round Numbers (一个区间内二进制中0的个数大于等于1的个数有多少个,组合)
Round Numbers Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 8590   Accepted: 3003 Description The cows, as you know, have no fingers or thumbs and thus a...
分类:其他好文   时间:2014-07-22 14:30:24    阅读次数:168
Round Numbers
Round Numbers:如果n换成二进制后,0的个数大于等于1的个数 求x-y范围内Round Numbers有几个...
分类:其他好文   时间:2014-07-21 23:46:54    阅读次数:196
区间DP基础篇之 POJ1159——Palindrome
题目大意:给定一个字符串,求最少插入几个字符让该字符串成为回文串 法一: dp[i][j]表示使区间[i,j]成为回文串最小插入的字符数,则状态转移方程 1、if s[i]==s[len-1] 则:d[i][j]=d[i+1][j-1] 2、else  d[i]=min(dp[i+1][j],dp[i][j-1])   首尾字符不同的时候,有两种决策。 1、将新字符插在首位,那么状态就...
分类:其他好文   时间:2014-07-21 23:30:01    阅读次数:255
LeetCode_45permute [Permutations]
#pragma warning(disable:4996) #include <cstdio> #include <tchar.h> #include <Windows.h> #include <vector> using namespace std; /* submit time : 1 request : Given a collection of numbers, retu...
分类:其他好文   时间:2014-07-21 23:27:50    阅读次数:368
POJ 1159 Palindrome && HDU 1159 Common Subsequence
POJ 1159 Palindrome && HDU 1159 Common Subsequence...
分类:其他好文   时间:2014-07-21 23:27:29    阅读次数:249
POJ 2739 Sum of Consecutive Prime Numbers
Sum of Consecutive Prime Numbers Description Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representations does a given positive ...
分类:其他好文   时间:2014-07-21 22:18:12    阅读次数:222
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