pair和make_pair
#include <iostream> using namespace std; int main () { pair <string,double> p1 ("zhang",8.8); pair <string,double> p2; pair <string,double> p3; p2.first = "wang"; p2.second = 1.03; p3 = make_pair("li",2.09); cout << "p1 " << p1.first << " is " << p1.second << endl; cout << "p2 " << p2.first << " is " << p2.second << endl; cout << "p3 " << p3.first << " is " << p3.second << endl; return 0; }