How to reverse a word in a string with C++

1 Answer

0 votes
#include <iostream>
#include <algorithm> // reverse
#include <string>

void reverseWord(std::string &str, std::string word) {
    size_t pos = str.find(word);
    
    if (pos != std::string::npos) {
        std::reverse(str.begin() + pos, str.begin() + pos + word.length());
    }
}

int main() {
    std::string str = "C++ C Java Python PHP C#";
    std::string word = "Java";
    
    reverseWord(str, word);
    
    std::cout << str << std::endl; 
}


/*
run:

C++ C avaJ Python PHP C#

*/

 



answered Sep 25, 2025 by avibootz
...