Compilare: user.cpp: In function ‘int lee(coord, coord)’: user.cpp:71:9: warning: variable ‘t1l1’ set but not used [-Wunused-but-set-variable] int t1l1, t1l2, t2l1, t2l2; ^ user.cpp:71:15: warning: variable ‘t1l2’ set but not used [-Wunused-but-set-variable] int t1l1, t1l2, t2l1, t2l2; ^ user.cpp:71:21: warning: variable ‘t2l1’ set but not used [-Wunused-but-set-variable] int t1l1, t1l2, t2l1, t2l2; ^ user.cpp:71:27: warning: variable ‘t2l2’ set but not used [-Wunused-but-set-variable] int t1l1, t1l2, t2l1, t2l2; ^ user.cpp:112:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^