Fuctions for quick use

quick_funcs.cpp

/**
 * Delete White Spaces
 * @param str The input string which contains white spaces 
 * @return The output string which does not contain white spaces
 */
string delSpaces(string &str) 
{
   str.erase(std::remove(str.begin(), str.end(), ' '), str.end());
   return str;
}

/**
 * Returns a vector of strings, by splitting the input string by whitespaces
 * @param input_string the input string which contains white spaces
 * @return string vector contains splitted words
 */

vector<string> split_string(string input_string) {
    string::iterator new_end = unique(input_string.begin(), input_string.end(), [] (const char &x, const char &y) {
        return x == y and x == ' ';
    });

    input_string.erase(new_end, input_string.end());

    while (input_string[input_string.length() - 1] == ' ') {
        input_string.pop_back();
    }

    vector<string> splits;
    char delimiter = ' ';

    size_t i = 0;
    size_t pos = input_string.find(delimiter);

    while (pos != string::npos) {
        splits.push_back(input_string.substr(i, pos - i));

        i = pos + 1;
        pos = input_string.find(delimiter, i);
    }

    splits.push_back(input_string.substr(i, min(pos, input_string.length()) - i + 1));

    return splits;
}