vector<int>vec1,vec2;

    int ival;

    cout<<"Ender numbers for vector1(-1 to end):"<<endl;

    cin>>ival;

    while (ival!=-1) {

        vec1.push_back(ival);

        cin>>ival;

    }

    cout<<"Ender numbers for vector2(-1 to end):"<<endl;

    cin>>ival;

    while (ival!=-1) {

        vec2.push_back(ival);

        cin>>ival;

    }

    if (vec1.size()!=vec2.size()) {

        cout<<"不相等"<<endl;

    }

    else{

        vector<int>::iterator ite1,ite2;

        for (ite1=vec1.begin(),ite2=vec2.begin(); ite1!=vec1.end(),ite2!=vec2.end(); ++ite1,++ite2) {

            if (*ite1==*ite2) {

                cout<<"相等"<<endl;

            }

        }

    }