关于Pair的用法

RT

 

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