Eroare de compilare: user.cpp:1:19: error: stdio.h.: No such file or directory user.cpp: In function 'int citire()': user.cpp:7: error: 'stdin' was not declared in this scope user.cpp:7: error: 'freopen' was not declared in this scope user.cpp:8: error: 'stdout' was not declared in this scope user.cpp:9: error: 'gets' was not declared in this scope user.cpp: In function 'int main()': user.cpp:27: error: 'printf' was not declared in this scope user.cpp:29: error: 'printf' was not declared in this scope user.cpp:45: error: 'printf' was not declared in this scope user.cpp:47: error: 'printf' was not declared in this scope user.cpp:52: error: 'printf' was not declared in this scope user.cpp:54: error: 'printf' was not declared in this scope