c++ converting string to int

Question

//sLine is the string
for(int l = 0; l < sLine.length(); l++)
{
    string sNumber;
    if(sLine[l] == \'-\')
    {   
        sNumber.push_back(sLine[l]);
        sN         


        

Answer 1

You output extra 0 for the characters which are not digits. The problem is that atoi returns 0 when it cannot convert the input, so your whitespaces are printed as zeroes.