Converting a string to another typestring to int std::stoi()std::string str = "123";int value = std::stoi(str); // value = 123string to long std::stol()std::string str = "123456";long value = std::stol(str); // value = 123456string to longlong std::stoll()std::string str = "1234567890";long long value = std::stoll(str); // value = 1234567890string to float std::stof()std::string str = "3.14";..