统计学生成绩

#include<iostream>
using namespace std;
int main()
{
    int num,i,addNUM;
    cout<<"输入学生人数";
    cin>>num;
    int *score=new int[num];
    cout<<"请输入学生成绩";
    for(i=0; i<num; ++i)
        cin>>score[i];
    cout<<"需要增加多少名学生?";
    cin>>addNUM;
    int *addscore=new int[num+addNUM];
    addscore=&*score;

    cout<<"输入增加的学生的成绩";
    for( ; i<num+addNUM; ++i)
        cin>>addscore[i];
    cout<<"现在共有"<<num+addNUM<<"名学生,他们的成绩是："<<endl;
    for(i=0; i<num+addNUM; i++)
        cout<<addscore[i]<<" ";
    cout<<endl;
    delete []addscore;
    delete []score;

    return 0;
}