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RSS订阅原创 算法博客8 - 规则矩阵中找值
算法8 - 规则矩阵中找值题目描述：Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:Integers in each row are sorted in ascending from left to rig...
2019-01-01 17:29:57
266
原创 算法博客7 - Course Schedule 拓扑排序
算法博客7 - Course Schedule 拓扑排序题目描述：There are a total of n courses you have to take, labeled from 0 to n - 1.Some courses may have prerequisites, for example to take course 0 you have to first take ...
2019-01-01 17:06:57
282
原创 算法博客6 - 图的克隆
算法博客6 - 图的克隆题目描述：Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors.OJ’s undirected graph serialization:Nodes are labeled uniquely.We use # as a sep...
2018-12-31 17:45:39
246
原创 算法博客5 - 字符串转化为整数相加
算法博客5 - 字符串转化为整数相加题目描述：Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are +,...
2018-12-31 03:17:03
332
原创 算法博客4 - 最小和
算法博客1 - 找出数组中第K大的元素题目描述：从数列A[0], A[1], A[2], …, A[N-1]中选若干个数，要求对于每个i（0<=i <=N-2），A[i]和A[i+1]至少选一个数，求能选出的最小和.其中 1 <= N <= 100000, 1 <= A[i] <= 1000例1：A = {2, 5, 2}，答案为4.例2：A =...
2018-12-31 03:12:46
277
原创 算法博客3 - 回文串问题
算法博客3 - 回文串问题题目描述：Given a string, your task is to count how many palindromic substrings in this string.The substrings with different start indexes or end indexes are counted as different substrin...
2018-12-31 02:01:22
157
原创 算法博客2 - 找出数组中元素数目超过一半的元素
算法博客2 - 找出数组中元素数目超过一半的元素题目描述：Given an array of size n, find the majority element. The majority element is the element that appears more than n/2 times.You may assume that the array is non-empty and...
2018-12-31 01:37:31
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原创 算法博客1 - 找出数组中第N大的元素
算法博客1 - 找出数组中第K大的元素题目描述：Find the k-th largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the k-th distinct element.For example,Given [3,2,1,5,...
2018-12-31 00:27:02
708
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