u012963126的专栏

1099 Build A Binary Search Tree #include <iostream> #include <algorithm> #include <vector> #include <queue> using namespace std;vector<int> num; typedef struct node pn; struct node { int left;

四则运算算法：Write a program that reads an expression as input and print out the result. Only integers and operators below are allowed in the expression:+ - * / % ( ) Your program should be able to deal with