学步园

RT

#include <utility><br /> #include <iostream><br /> using namespace std;<br /> int main()<br /> {<br /> pair<int,int> m_pair(20,2);</p> <p> typedef pair<int,int> Contain;<br /> Contain Con1(10,1);<br /> Contain Con2(30,3);</p> <p> if(20==m_pair.first && 2==m_pair.second)<br /> {<br /> cout<<"m_pair_first is "<<m_pair.first<<" AND m_pair_last is "<<m_pair.second<<endl;<br /> }</p> <p> cout<<"Con1_first is "<<Con1.first<<" AND Con1_last is "<<Con1.second<<endl;<br /> cout<<"Con2_first is "<<Con2.first<<" AND Con2_last is "<<Con2.second<<endl;</p> <p> cout<<endl<<endl;</p> <p> int first=0,last=0;<br /> cout<<"Input first"<<endl;<br /> cin>>first;<br /> cout<<"Input last"<<endl;<br /> cin>>last;</p> <p> pair<int,int> prInput=make_pair(first,last); //make_pair<br /> cout<<"prInput_first is: "<<prInput.first<<endl;<br /> cout<<"prInput_last is: "<<prInput.second<<endl;</p> <p> system("pause");</p> <p> return 0;<br /> }</p> <p>