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解题报告:LeetCode Largest Rectangle in Histogram(计算最大矩形面积)
题目出处:https://leetcode.com/problems/largest-rectangle-in-histogram/题意描述:给定n个非负的整数,代表n个依次相邻的宽度为1的柱形的高,求这些柱形所能形成的最大的矩形面积。解决思路:此题最直接最原始的做法就是扫描起点和终点,并随时更新最...
分类:其他好文   时间:2015-11-03 10:22:11    阅读次数:196
Codeforces Round #272 (Div. 2) D.Dreamoon and Sets 找规律
D. Dreamoon and SetsDreamoon likes to play with sets, integers and.is defined as the largest positive integer that divides bothaandb.LetSbe a set of e...
分类:其他好文   时间:2015-11-02 17:33:08    阅读次数:363
LeetCode Largest Number
原题链接在这里:https://leetcode.com/problems/largest-number/按照首位数从大到下排序,然后把数字一个一个连起来。比较首位数可以先全部转化成string, 然后用String Comparator 排序。更改Comparator 比较方法,(s2+s1).c...
分类:其他好文   时间:2015-11-02 13:59:23    阅读次数:168
LeetCode OJ:Maximum Subarray(子数组最大值)
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
分类:编程语言   时间:2015-10-30 12:23:19    阅读次数:165
LeetCode Kth Largest Element in an Array
原题链接在这里:https://leetcode.com/problems/kth-largest-element-in-an-array/采用quickSelect 算法,找第k大等于找第num.length + 1 - k小,这里k是从0开始所以就是 找num.length-k小。findK就是...
分类:其他好文   时间:2015-10-29 06:08:35    阅读次数:155
lintcode 中等题:Maximal Square 最大子正方形
题目:Maximal SquareGiven a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area.样例For example, given...
分类:其他好文   时间:2015-10-25 20:40:51    阅读次数:255
c++面向对象程序设计
//EXERCISE 2.1//Write a program that reads integers from the standard input until the end of file and then prints the largest and the smallest values ...
分类:编程语言   时间:2015-10-25 19:08:44    阅读次数:174
Find the largest multiple of 3 解答
QuestionGiven an array of non-negative integers. Find the largest multiple of 3 that can be formed from array elements.For example, if the input array...
分类:其他好文   时间:2015-10-25 06:12:04    阅读次数:257
POJ1753【简单DFS算法】--翻棋盘(一步看不懂!!)
Flip GameTime Limit:1000MSMemory Limit:65536KTotal Submissions:35877Accepted:15658DescriptionFlip game is played on a rectangular 4x4 field with two-....
分类:编程语言   时间:2015-10-24 21:55:11    阅读次数:534
Python提取图片的ROI
图像处理经常需要提取图片的ROI,本文使用Python提取图片的ROI。使用的Module是PIL (Pillow),一个图像处理库,用到的函数为类 Image 中的 crop 方法。函数原型为:Image.crop(box=None)Returns a rectangular region fro...
分类:编程语言   时间:2015-10-22 09:15:12    阅读次数:3016
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