码迷,mamicode.com
首页 >  
搜索关键字:given a n n matrix    ( 24496个结果
LeetCode Maximal Rectangle
class Solution {public: int maximalRectangle(vector > &matrix) { int rows = matrix.size(); if (rows == 0) return 0; int cols =...
分类:其他好文   时间:2014-05-12 09:54:05    阅读次数:250
【LeetCode】Set Matrix Zeroes
Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?A s...
分类:其他好文   时间:2014-05-12 08:22:51    阅读次数:255
【LeetCode】Search in Rotated Sorted Array
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a target value t...
分类:其他好文   时间:2014-05-12 07:31:40    阅读次数:332
leetcode第一刷_Set Matrix Zeroes
这个题乍一看很简单,实际上还挺有技巧的。我最开始的想法是找一个特殊值标记,遇到一个0,把他所对应的行列中非零的元素标记成这个特殊值,0值保持不变,然后再从头遍历一次,碰到特殊值就转化成0。 问题是这个特殊值怎么确定,题目中没有把取值范围给出,我怀着侥幸的心理用了最大和最小的int,都被揪了出来。。如果找一个不存在于数组中的值,这个复杂度太高了。 有没有其他更好的方法呢?当然有。这个思想很巧妙,...
分类:其他好文   时间:2014-05-12 06:54:39    阅读次数:193
【LeetCode】Best Time to Buy and Sell Stock
Best Time to Buy and Sell StockSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to compl...
分类:其他好文   时间:2014-05-12 05:56:14    阅读次数:315
POJ 2079 凸包最大内接三角形
Triangle Time Limit: 3000MS   Memory Limit: 30000K Total Submissions: 8038   Accepted: 2375 Description Given n distinct points on a plane, your task is to find the triangl...
分类:其他好文   时间:2014-05-11 06:36:44    阅读次数:425
LeetCode--Search Insert Position
Search Insert Position  Total Accepted: 14091 Total Submissions: 41005My Submissions Given a sorted array and a target value, return the index if the target is found. If not, return the in...
分类:其他好文   时间:2014-05-11 05:53:03    阅读次数:241
Leetcode 位运算 Single NumberII
本文为senlie原创,转载请保留此地址:http://blog.csdn.net/zhengsenlie Single Number II  Total Accepted: 14224 Total Submissions: 43648 Given an array of integers, every element appears three ti...
分类:其他好文   时间:2014-05-11 03:54:46    阅读次数:317
[LeetCode]Binary Tree Maximum Path Sum, 解题报告
题目 Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example: Given the below binary tree,...
分类:其他好文   时间:2014-05-11 03:25:24    阅读次数:298
Leetcode 树 Maximum Depth of Binary Tree
本文为senlie原创,转载请保留此地址:http://blog.csdn.net/zhengsenlie Maximum Depth of Binary Tree  Total Accepted: 16605 Total Submissions: 38287 Given a binary tree, find its maximum depth. ...
分类:其他好文   时间:2014-05-11 01:58:31    阅读次数:441
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!