/* https://www.sololearn.com/Discuss/931772/?ref=app 📣🔒🏁CHALLENGE🏁🔓📣 welcome everyone to my first challenge contest and abcurse challengers are welcome. make programming which will remove the double alphabet in a word . //simple example:- "APPLICATION" output of it should be "APLICTON" All the best 👍 «««««««««««««««««««« ● »»»»»»»»»»»»»»»»»»»» A simple code written to process a string and return the output with a condition, twin characters in the string are supposed to be eliminated. © 2017 SoloLearn Community «««««««««««««««««««« ● »»»»»»»»»»»»»»»»»»»» */ #include #include // Main procedure int main() { // The source string. std::string src; // Get user input, and a little validation std::cout << "Enter some string to process:\n"; std::getline(std::cin, src); if(src.empty()) { std::cout << "Sorry, blanks are not acceptable!"; return 0; } std::cout << src << std::endl; // Destination string, temporary buffer std::string dst, tmp; // char iterator, max char index size_t i {0}, len {src.length() - 1}; // Run a loop for each character in // source string. for(char ch: src) { if(ch == ' ' || i == len) { if(tmp.find(ch) == std::string::npos) tmp.push_back(ch); dst += tmp; tmp.clear(); } else { if(tmp.find(ch) == std::string::npos) tmp.push_back(ch); } i++; } // Print the result std::cout << "\nOutput:\n" << dst; std::cout << std:: endl; return 0; }

Challenge - Remove twin characters