#include <iostream> #include <string> int main() { std::string str, str_long; std::cin>>str_long; while(std::cin>>str) str_long = str_long + ' ' + str; std::cout << str_long << std::endl; return 0; }
时间: 2024-08-28 23:54:15
#include <iostream> #include <string> int main() { std::string str, str_long; std::cin>>str_long; while(std::cin>>str) str_long = str_long + ' ' + str; std::cout << str_long << std::endl; return 0; }