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September 14th 2017 Week 37th Thursday
Don't let the past steal your present. 别让过去悄悄偷走了我们的当下。 We take what we can get and make the best of it. 我们取我们所能取,好好地享用。 From The House on Mango Street ...
分类:其他好文   时间:2017-12-01 15:15:10    阅读次数:157
House Robber
题目的意思很简单,就是每次只能取非连续的两个值 用分治法在nums比较大时会超时 仔细思考一下发现有重复子问题,设v中存着最优的解,则最优解为 max(v[n][0],v[n][1]),v[n][0]表示不取第n个数时的最优解,v[n][1]表示取第n个数时的最优解,同时满足最优子结构性质,如下所示 ...
分类:其他好文   时间:2017-11-30 19:22:24    阅读次数:143
Paint House II
Time Complexity: O(N*K), Space Complexity: O(1) The idea is similar to the problem Paint House I, for each house and each color, the minimum cost of p ...
分类:其他好文   时间:2017-11-30 13:37:47    阅读次数:184
Face Recognition for the Happy House
Face Recognition for the Happy House Welcome to the first assignment of week 4! Here you will build a face recognition system. Many of the ideas prese ...
分类:移动开发   时间:2017-11-27 16:44:30    阅读次数:216
House of XXX的核心原理
最近接触了堆溢出的pwn,对网上解释绕过safe unlink的方法(各种House of XXX)的解释感觉不够简洁精要,故作此总结记录。关键点可以只看红色加粗部分。 首先,堆溢出最好的利用方法是能覆盖关键变量,例如函数指针,但这样的场景可遇不可求。 堆溢出的unlink利用方法是通用的利用方法, ...
分类:其他好文   时间:2017-11-26 23:58:43    阅读次数:458
购物车代码
shopping = [['house',1000000],['book',50],['iphone',3000]] qian = input('请输入你的钱:') shoppingcar = [] if qian.isdigit(): qian = int(qian) while True: fo... ...
分类:其他好文   时间:2017-11-24 22:47:53    阅读次数:134
洛谷 P2873 [USACO07DEC]泥水坑Mud Puddles
P2873 [USACO07DEC]泥水坑Mud Puddles P2873 [USACO07DEC]泥水坑Mud Puddles P2873 [USACO07DEC]泥水坑Mud Puddles 题目描述 Farmer John is leaving his house promptly at 6 ...
分类:其他好文   时间:2017-11-19 15:34:57    阅读次数:141
leetcode265- Paint House II- hard
There are a row of n houses, each house can be painted with one of the k colors. The cost of painting each house with a certain color is different. Yo ...
分类:其他好文   时间:2017-11-16 11:54:06    阅读次数:170
leetcode256- Paint House- medium
There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certai ...
分类:其他好文   时间:2017-11-16 11:42:59    阅读次数:96
hdu3440 House Man 【差分约束系统】
House Man Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2056 Accepted Submission(s): 811 Probl ...
分类:其他好文   时间:2017-11-01 16:31:15    阅读次数:226
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