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;
}