Compilare: user.cpp: In function ‘int main()’: user.cpp:87:9: warning: unused variable ‘dxk’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:87:13: warning: unused variable ‘dyk’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:87:17: warning: unused variable ‘dxg’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:87:21: warning: unused variable ‘dyg’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:87:25: warning: unused variable ‘dx’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:87:28: warning: unused variable ‘dy’ [-Wunused-variable] int dxk,dyk,dxg,dyg,dx,dy; ^ user.cpp:72:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&l,&c); ^