陈陈的专栏

#include <iostream> #include <vector> using namespace std;int main() { vector<int> nums={1,2,3,4,5,6,7}; int find_num = 9; auto beg = nums.begin(), end = nums.end(); auto mid = beg + (e

#include <string> #include <iostream> #include <fstream> #include <vector> #include <sstream>using namespace std;//void split(string& s, string& delim, vector< string >* ret) //{ // size_t last = 0;