穿过雾的阴霾

摘要： 无语，就是两个栈倒来倒去 class MyQueue { public: stack<int> st; stack<int> tmp; /** Initialize your data structure here. */ MyQueue() { } /** Push element x to th 阅读全文

摘要： class Solution { public: vector<vector<int>> threeSum(vector<int>& nums) { vector<vector<int>> res; sort(nums.begin(),nums.end()); int n=nums.size(); 阅读全文