W3School TIY Editor

#include <iostream> #include <vector> #include <algorithm> using namespace std; bool has_o(string item) { return item.find('o') != string::npos; } int main() { vector<string> cars = {"Volvo", "BMW", "Ford", "Tesla"}; replace_if(cars.begin(), cars.end(), has_o, (string)"Toyota"); for (string car : cars) { cout << car << "\n"; } return 0; }