摘要：研究了一夜，各种bug。看到了大神的代码，简洁明了。学习了。class Solution { public: void printQueen(vector &A,int n,vector> &result){ vector r; for(int i=0;iA,... 阅读全文

摘要：Given a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new length.Do not allocate extra space for a... 阅读全文

摘要：用vector投机取巧了。看网上大神的数组代码。双指针的应用。class Solution {public: int removeElement(int A[], int n, int elem) { // Start typing your C/C++ solution bel... 阅读全文

摘要：这种渣题都调了两次，还是欠练啊。class Solution {public: int removeElement(vector& nums, int val) { int i=0; int k=0; int j=nums.size(); ... 阅读全文

摘要：Given a positive integer, return its corresponding column title as appear in an Excel sheet.For example: 1 -> A 2 -> B 3 -> C ... 26 ->... 阅读全文