Eroare de compilare: user.cpp: In function ‘void in_sablon()’: user.cpp:18: error: ‘stdin’ was not declared in this scope user.cpp:18: error: ‘freopen’ was not declared in this scope user.cpp:19: error: ‘scanf’ was not declared in this scope user.cpp: In function ‘void in_cheie()’: user.cpp:29: error: ‘scanf’ was not declared in this scope user.cpp: In function ‘void test_out()’: user.cpp:57: error: ‘stdout’ was not declared in this scope user.cpp:57: error: ‘freopen’ was not declared in this scope user.cpp:61: error: ‘printf’ was not declared in this scope user.cpp:62: error: ‘printf’ was not declared in this scope user.cpp:64: error: ‘printf’ was not declared in this scope