#include <cstdlib>
#include <iostream>
using namespace std;
int sredab(int a,int b)
{int sum=0;
if (a<b)
{for (int i=a+1; i < b; i++)
sum+=i;
return sum/(b-a);
}
else
{for (int i=b+1; i < a; i++)
sum+=i;
return sum/(a-b);
}
}
int main()
{ int a1,b1;
cout << "Unesi brojeve ";
cin >> a1 >> b1;
cout << "aritmeticka sredina između" << a1 << " i " << b1 << " = " << sredab(a1,b1) << endl;
return 0;
}
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