vector那些事 #include "stdafx.h" #include<vector> #include <iostream> using namespace std;
int _tmain(int argc, _TCHAR* argv[]) { vector<int> ivec; int ival; for(int i=0;i<5;i++) { cin>>ival; ivec.push_back(ival); } if(ivec.size()==0) return 0; vector<int>::iterator a,b; for(a=ivec.begin(),b=ivec.end()-1;a<=b;++a,++b) cout<<(*a)+(*b)<<endl; if(ivec.size()%2!=0) cout<<"the last number is not been summed"<<endl;