再来一个很蛋的C++程序

#include <QtCore/QCoreApplication>

#include <QDebug>

#include <QtCore>

QStringList names;

QStringList  nodes1;

QStringList  nodes2;

QList<QStringList> nodeslist;

int getName(QString &name, int idx);

int getNode(QString &node, int idx1, int idx2);

int main(int argc, char *argv[])

{

    QCoreApplication a(argc, argv);

    names << "name0" << "name1";

    nodes1 << "nodes0" << "nodes1" << "nodes2" << "nodes3";

    nodes2 << "nodes0" << "nodes1" << "nodes2" << "nodes3" << "nodes4";

    nodeslist.append(nodes1);

    nodeslist.append(nodes2);

    for(int i=0; i<names.size(); i++){

        if(getName(names.value(i),i) == 0){

            qDebug() << "name" <<names.value(i);

        }

        for(int j=0;j<nodeslist.at(i).size(); j++){

            if(getNode(nodeslist.value(i).value(j),i,j) == 0){

                qDebug() << "node" << nodeslist.value(i).value(j);

            }

        }

    }

    return a.exec();

}

int getName(QString &name,int idx){

    if(idx > names.size()|| idx < 0){

        return -1;

    }

    else{

        name = names.value(idx);

        return 0;

    }

}

int getNode(QString &node,int idx1,int idx2){

    if(idx2 > nodeslist.value(idx1).size() || idx2 < 0){

        return -1;

    }

    else{

        node = nodeslist.value(idx1).value(idx2);

        return 0;

    }

}