#include <iostream>
#include <vector>
using namespace std;
int main() {
vector<int> a, b;
vector<int>::iterator it;
int N, br, sa=0, sb=0, i;
cin>>N;
for(i=0; i<N; i++)
{
cin>>br;
a.push_back(br);
sa+=br;
}
for(it=a.begin(); it<a.end(); it++)
{
if(*it<0)
{
br=-(*it);
b.push_back(br);
}
else
{
br=(*it);
b.push_back(br);
}
sb+=br;
}
for(int i=0; i<N; i++)
{
cout<<a.at(i)<<" ";
}cout<<endl;
for(int i=0; i<N; i++)
{
cout<<b.at(i)<<" ";
}cout<<endl;
cout<<"Suma na a e "<<sa<<endl;
cout<<"Suma na b e "<<sb<<endl;
cout<<"Aritmetickata sredina na a e "<<(float)sa/N<<", a na b e "<<(float)sb/N<<endl;
return 0;
}
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