Main.cc:7:13: 警告:invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] cout << "*****"endl; ^ Main.cc:8:13: 警告:invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] cout << " *** "endl; ^ Main.cc:9:13: 警告:invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] cout << " * "endl; ^ Main.cc: 在函数‘int main()’中: Main.cc:7:20: 错误:expected ‘;’ before ‘endl’ cout << "*****"endl; ^ Main.cc:8:20: 错误:expected ‘;’ before ‘endl’ cout << " *** "endl; ^ Main.cc:9:20: 错误:expected ‘;’ before ‘endl’ cout << " * "endl; ^