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

摘要：problem:Given an input string, reverse the string word by word.For example:Given s = "the sky is blue",return "blue is sky the".问题分析：如何准确的找到每一个需要清除的空格... 阅读全文

摘要：problem：Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.problem analysis... 阅读全文

摘要：今天做了一道MinStack的题，深深的感到自己C++还完全没有学好！！！#include #include using std::stack;class MinStack {public: stack st; stack stm; void push(int x) { ... 阅读全文

摘要：我的代码是这样的：class Solution {public: ListNode *swapPairs(ListNode *head) { const int TRUE = 1; const int FALSE = 0; ListNod... 阅读全文