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问题： Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length. Do not allocate extra spac 阅读全文
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题目 Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (size 阅读全文
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问题 Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transact 阅读全文
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问题： Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note:You may assume that nums1 has enough space (size 阅读全文
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问题： Rotate an array of n elements to the right by k steps. For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated to [5,6,7,1,2,3,4]. 阅读全文
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题目： 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 阅读全文
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class Solution {public: bool containsNearbyDuplicate(vector<int>& nums, int k) { int len=nums.size(); bool flag=false; multimap<int ,int> mulm; for(in 阅读全文
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ap是c++的一个标准容器，她提供了很好一对一的关系，在一些程序中建立一个map可以起到事半功倍的效果，总结了一些map基本简单实用的操作！1. map最基本的构造函数； map<string , int >mapstring; map<int ,string >mapint; map<sring, 阅读全文