Eroare de compilare: user.cpp: In function ‘void solve()’: user.cpp:39: error: ‘scanf’ was not declared in this scope user.cpp:57: error: ‘printf’ was not declared in this scope user.cpp:72: error: ‘printf’ was not declared in this scope user.cpp:75: error: ‘printf’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:79: error: ‘stdin’ was not declared in this scope user.cpp:79: error: ‘freopen’ was not declared in this scope user.cpp:80: error: ‘stdout’ was not declared in this scope