16.Ex3 AlternateCharUC.cpp

#include <string>
#include <iostream>
#include <algorithm>

int main()
{
   using namespace std;

   cout << "Please enter a string for case-conversion:" << endl;
   cout << "> ";

   string strInput;
   getline(cin, strInput);
   cout << endl;

   for (size_t nCharIndex = 0
      ; nCharIndex < strInput.length()
      ; nCharIndex += 2)
      strInput[nCharIndex] = toupper(strInput[nCharIndex]);

   cout << "The string converted to upper case is: " << endl;
   cout << strInput << endl << endl;

   return 0;
}