Eroare de compilare: user.cpp: In function ‘void read()’: user.cpp:19: error: ‘scanf’ was not declared in this scope user.cpp: In function ‘void solve()’: user.cpp:65: error: ‘printf’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:70: error: ‘stdin’ was not declared in this scope user.cpp:70: error: ‘freopen’ was not declared in this scope user.cpp:71: error: ‘stdout’ was not declared in this scope