读入未知数目的string
#include <iostream> #include <string> using std::cin; using std::cout; using std::endl; using std::string; int main() { string s1; while (cin >> s1) cout << s1 << endl; return 0; }
#include <iostream> #include <string> using std::cin; using std::cout; using std::endl; using std::string; int main() { string s1; while (cin >> s1) cout << s1 << endl; return 0; }