Compilare: user.cpp: In function ‘int fibonacci(int)’: user.cpp:17:15: warning: left operand of comma operator has no effect [-Wunused-value] return a, b; ^ user.cpp:26:15: warning: left operand of comma operator has no effect [-Wunused-value] for(i=1; i<=n ,ok==0 ; i++) ^ user.cpp: In function ‘int rezolv(int, int)’: user.cpp:53:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘int fibocel(int)’: user.cpp:50:1: warning: control reaches end of non-void function [-Wreturn-type] } ^