Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:13: error: ‘S’ was not declared in this scope user.cpp:14: error: ‘S1’ was not declared in this scope user.cpp:22: error: name lookup of ‘j’ changed for ISO ‘for’ scoping user.cpp:22: note: (if you use ‘-fpermissive’ G++ will accept your code) user.cpp:24: error: ‘abs’ was not declared in this scope user.cpp:27: error: ‘abs’ was not declared in this scope