Question

How to lowercase specific character of a string in C++

Answer 1

#include <iostream>

int main() {
    std::string s = "C++ PROGRAMMING";

    for (auto & ch: s) if (ch == 'M') ch = tolower(ch);

    std::cout << s;
}



/*
run:

C++ PROGRAmmING

*/

 

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Answer 2

#include <iostream>

int main() {
    std::string s = "C++ PROGRAMMING";

    s[4] = tolower(s[4]);

    std::cout << s;
}



/*
run:

C++ pROGRAMMING

*/

 

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