Eroare de compilare: user.cpp: In function ‘int mediana(int, int&)’: user.cpp:20: warning: statement has no effect user.cpp: In function ‘int secventa(int, int&)’: user.cpp:35: warning: statement has no effect user.cpp: In function ‘int main()’: user.cpp:70: error: ‘ifstream’ was not declared in this scope user.cpp:70: error: expected ‘;’ before ‘f’ user.cpp:71: error: ‘f’ was not declared in this scope user.cpp:72: error: ‘strlen’ was not declared in this scope user.cpp:73: error: ‘cout’ was not declared in this scope