Compilare: user.cpp: In function ‘int coada(int, int, int)’: user.cpp:10:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,l,c; ^ user.cpp:32:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int coada1(int, int, int, int)’: user.cpp:84:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^