~cpp #include<iostream> using namespace std; void main() { int*a=new int[4]; int*b=new int[4]; int*c=new int[4];//4 for(int i=0;i<4;i++) { a[i]=i; b[i]=i; c[i]=a[i]+b[i]; } for(i=0;i<4;i++) cout<<a[i]<<" + "<<b[i]<<" = "<<c[i]<<endl; delete [] a;//a 겠. delete [] b; delete [] c; a=NULL;//a . b=NULL; c=NULL; } //c////a=(int*)malloc(sizeof(int)) // a 게 a 고 . //NULL=0 . .