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leetcode——Two Sum 两数之和(AC)
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 two numbers such that they add up to the target, whe...
分类:其他好文   时间:2014-06-09 23:14:45    阅读次数:264
poj 3026
挺直接的一个题 哎 想复杂了题意:把n*m矩阵中的字母最小生成树求它的边权值之和 只有字母可以分叉 多了一个提取点的过程思路:prime 算法的简单应用#include#include#includeusing namespace std;char map[55][55];int node[55][...
分类:其他好文   时间:2014-06-09 21:29:26    阅读次数:276
[leetcode]Combination Sum @ Python
原题地址:https://oj.leetcode.com/problems/combination-sum/题意:Given a set of candidate numbers (C) and a target number (T), find all unique combinations in...
分类:编程语言   时间:2014-06-09 17:50:09    阅读次数:333
LEETCODE--Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
分类:其他好文   时间:2014-06-08 21:56:41    阅读次数:297
LeetCode: Triangle [120]
【题目】 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 following triangle [ [2], [3,4], [6,5,7], [4,1,8,3] ] The minimum path sum from top to...
分类:其他好文   时间:2014-06-08 17:52:45    阅读次数:235
Light OJ 1278 Sum of Consecutive Integers N拆分成连续整数和
题目来源:Light OJ 1278 Sum of Consecutive Integers 题意:N拆分成连续整数和的方案数 思路:奇因数的个数 #include #include #include #include using namespace std; //筛素数 const int maxn = 10000010; bool vis[maxn]; int prime[10...
分类:其他好文   时间:2014-06-08 15:34:09    阅读次数:295
Decode Ways
题目 A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given an encoded message containing digits, determine ...
分类:其他好文   时间:2014-06-08 15:30:08    阅读次数:182
Project Ruler 算法练习之 Truncate Prime
Project Ruler 算法练习之 Truncate Prime...
分类:其他好文   时间:2014-06-08 10:06:41    阅读次数:174
[LeetCode] Two Sum [17]
题目 :Input: numbers={2, 7, 11, 15}, target=9 Output: index1=1, index2=2 解题思路: 给出一个数组合一个数,如果两个数的和等于所给的数,求出该两个数所在数组中的位置。 这个题也挺常见的,就是两个指针,从前后两个方向扫描。但是本题有以下几个需要的点: 1. 所给数组不是有序的; 2. 返回的下标是从1开始的,并且是原来无序数组中的下标; 3. 输入数组中可能含有重复的元素。 好了,把以上三点想到的话,做这个题应该不会有啥问题。 具体方法:把原...
分类:其他好文   时间:2014-06-08 02:14:06    阅读次数:250
LeetCode——Two Sum
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 two numbers such that they add up to the target, whe...
分类:其他好文   时间:2014-06-08 02:12:04    阅读次数:216
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