#include <iostream>
using namespace std;
int fun(int size)
{
int *p;
p = new int[size];
for(int i=0; i<size; i++)
p[i]=i+1;
return p;
}
int main()
{
int *ptr, sz = 5;
ptr = fun(sz);
for(int i=0;i<sz;i++)
cout << ptr[i]<<endl;
return 0;
}
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