AlwaysCoding的专栏

Longest Consecutive Sequence   Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, 1, 3, 2], The longest

Same Tree Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the

Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, whe

运用了STL函数。#include #include using namespace std; bool isPalindrome1(string text) { text.erase(remove_if(text.begin(), text.end(), [](char c){ //lambda return !isalpha(c) ; }), text.end());

#include #include #include using namespace std; class solution{ public: vector > threesum(vector& num){ vector > result; if(num.size()    sort(num.begin(),num.end()); const int target=0;