#include <iostream>
#include <vector>
int main()
{
    std::string line = "Number:Description:Price:Weight";

    std::vector<std::string> vecStrings;
    std::string word;
    word.clear();

    size_t count = 0;
    for(auto const& it: line)
    {
        if(it != ':')   word += it;

        if(it == ':' || count + 1 == line.size() )
        {
             vecStrings.emplace_back(word);
             word.clear();
        }
        ++count;
    }
    for(const auto& it: vecStrings) 
        std::cout << it << "\n";
    return 0;
}