In your code I cannot see checking of newline. See my code, it seems to work fine. Maybe it is solution which you are looking for.
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main()
{
int sum = 0;
string line;
while (getline(cin, line))
{
stringstream ss(line);
int tmp;
if (ss >> tmp)
{
sum += tmp;
}
else
{
break;
}
}
cout << "\nSuma tych liczb to: " << sum << "\n\n";
return 0;
}
1
solved Keep reading numbers until an empty input