Compilare: user.cpp: In function ‘int lgput(int)’: user.cpp:40:17: warning: variable ‘o’ set but not used [-Wunused-but-set-variable] int o=1,r=1,k=1,l=0; ^ user.cpp:40:21: warning: variable ‘r’ set but not used [-Wunused-but-set-variable] int o=1,r=1,k=1,l=0; ^ user.cpp:40:25: warning: variable ‘k’ set but not used [-Wunused-but-set-variable] int o=1,r=1,k=1,l=0; ^ user.cpp:40:29: warning: variable ‘l’ set but not used [-Wunused-but-set-variable] int o=1,r=1,k=1,l=0; ^ user.cpp: In function ‘int main()’: user.cpp:58:11: warning: unused variable ‘i’ [-Wunused-variable] int n,i,j,e; ^ user.cpp:58:13: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,e; ^ user.cpp:58:15: warning: variable ‘e’ set but not used [-Wunused-but-set-variable] int n,i,j,e; ^