Compilare: user.cpp: In function ‘bool bkt()’: user.cpp:21:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:53: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:61: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:21:75: warning: array subscript has type ‘char’ [-Wchar-subscripts] if((m[x[i]+dl[p]][y[i]+dc[p]]>0)&&(m[x[i]+2*dl[p]][y[i]+2*dc[p]]==0)){ ^ user.cpp:22:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] char aux=m[x[i]+dl[p]][y[i]+dc[p]]; ^ user.cpp:22:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] char aux=m[x[i]+dl[p]][y[i]+dc[p]]; ^ user.cpp:22:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] char aux=m[x[i]+dl[p]][y[i]+dc[p]]; ^ user.cpp:22:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] char aux=m[x[i]+dl[p]][y[i]+dc[p]]; ^ user.cpp:23:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr[st[aux]]=dr[aux]; ^ user.cpp:23:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] dr[st[aux]]=dr[aux]; ^ user.cpp:24:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[dr[aux]]=st[aux]; ^ user.cpp:24:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] st[dr[aux]]=st[aux]; ^ user.cpp:25:22: warning: array subscript has type ‘char’ [-Wchar-subscripts]