#include
using namespace std;
int N,M;
std::cin>>N;
std::cin>>M;
int arr1[N];
int arr2[M];
int arr3[N+M];
for( int i=0;i<=N;i++)
{
std::cin>>arr1[i];
}
for(int j=0;j<M;j++)
{
std::cin>>arr2[j];
}
int sum( )
{
for(int k=0;k<M+N;k++)
{
arr3[]=arr[i]+arr[j];
}
for(int k=0;k<N+M;k++)
{
std::cout<<arr3[]<<" ,";
}
std::cout<<"END";
}
return 0;
int main()
{
sum();
}
what is wrong in this code