peanWang的博客

682. Baseball Game解析简化版的逆波兰表达式。class Solution {public: int calPoints(vector<string>& ops) { int sum=0; int point=0; int point2 = 0; std::stack&lt...

496. Next Greater Element I 解析这题我真的没搞懂什么意思，在discuss里.Confusing statement这个人解释的我才明白＞﹏＜ 解析solution1: 暴力class Solution {public: vector<int> nextGreaterElement(vector<int&...

844. Backspace String Compare 解析正如说见,第一次末尾，第二次100%。为什么呢，因为第一次我强行使用stack.但是效果很差。我明白了一个道理:stack是一种思想，而不是一种数据结构。就好像济公说的酒肉穿肠过 佛祖心中留，你用的不是stack，而是用的stack这种方法，思想(￣▽￣)” solution:class Solution {...

232. Implement Queue using Stacks解析更新ing class MyQueue {public: /** Initialize your data structure here. */ MyQueue() { } /** Push element x to the back of queue. */ v...

225. Implement Stack using Queues 解析和这题差不多的Implement Queues using Stack.更新ing solution:class MyStack {public: /** Initialize your data structure here. */ MyStack() { } /*...

20. Valid Parentheses 解析更新ingclass Solution {public: bool isValid(string s) { stack<char> S; for(auto x:s){ switch(x){ case '(': ...

155. Min Stack解析这题不会写，(弱鸡（；´д｀）ゞ)。看了discuss。C++using two stacks quite short and easy to understand。class MinStack {public: /** initialize your data structure here. */ MinStack() { ...

Problems set Title Solution Baseball Game C++ Next Greater Element I C++ Backspace String Compare C++ Implement Queue using Stacks C++ Implement Stack using Queues...