Compilare: user.cpp: In function ‘int DF(int)’: user.cpp:17:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:20:19: warning: unused variable ‘ok’ [-Wunused-variable] int i,m,s,l,c,ok,p,j; ^ user.cpp:20:22: warning: unused variable ‘p’ [-Wunused-variable] int i,m,s,l,c,ok,p,j; ^ user.cpp:20:24: warning: unused variable ‘j’ [-Wunused-variable] int i,m,s,l,c,ok,p,j; ^