How to capitalize a string in c++...!

Question

make code in c++ only...

Answer 1

Boost string algorithms:

#include <boost/algorithm/string.hpp>
#include <string>
std::string str = "Hello World";
boost::to_upper(str);
std::string newstr = boost::to_upper_copy<std::string>("Hello World");

Reference: https://stackoverflow.com/questions/735204/convert-a-string-in-c-to-upper-case