求一个代码的大概轮廓
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#include<iostream> #include<string> #include <map> using namespace std; void main() { map<int, string> m; map<int, string>::iterator mit; m.insert(map<int, string>::value_type(100000, "北京")); m.insert(pair<int, string>(200000, "上海")); for (mit = m.begin(); mit != m.end(); mit++) { cout << mit->first << " " << mit->second << endl; } cout << endl; system("pause"); }