Question

How to capitalize the first and last letter of every word in a string with C++

Answer 1

#include <iostream>

int main()
{
    std::string str = "C++ is a general-purpose programming language created by Bjarne Stroustrup";

    int len = str.length();
   
    for (int i = 0; i < len; i++) {
        if (i == 0||i == (len - 1)) {
            str[i] = toupper(str[i]);
        }
        if (str[i]==' ') {
            str[i - 1] = toupper(str[i - 1]);
            str[i + 1] = toupper(str[i + 1]);
        }
   }
   
   std::cout << str;

   return 0;
}



/*
run:
   
C++ IS A General-purposE ProgramminG LanguagE CreateD BY BjarnE StroustruP
   
*/

 

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