Compilare: user.cpp: In function ‘int main()’: user.cpp:42:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]==0) ^ user.cpp:42:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]==0) ^ user.cpp:44:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] R[ruc.x][ruc.y]=R[pas.x][pas.y]+1; ^ user.cpp:44:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] R[ruc.x][ruc.y]=R[pas.x][pas.y]+1; ^ user.cpp:44:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] R[ruc.x][ruc.y]=R[pas.x][pas.y]+1; ^ user.cpp:44:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] R[ruc.x][ruc.y]=R[pas.x][pas.y]+1; ^ user.cpp:63:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(J[ruc.x][ruc.y]==0) ^ user.cpp:63:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(J[ruc.x][ruc.y]==0) ^ user.cpp:65:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] J[ruc.x][ruc.y]=J[pas.x][pas.y]+1; ^ user.cpp:65:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] J[ruc.x][ruc.y]=J[pas.x][pas.y]+1; ^ user.cpp:65:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] J[ruc.x][ruc.y]=J[pas.x][pas.y]+1; ^ user.cpp:65:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] J[ruc.x][ruc.y]=J[pas.x][pas.y]+1; ^ user.cpp:66:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]>0) ^ user.cpp:66:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]>0) ^ user.cpp:68:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]>=J[ruc.x][ruc.y]&&R[ruc.x][ruc.y]<tmin) tmin=R[ruc.x][ruc.y],x=ruc.x,y=ruc.y; ^ user.cpp:68:46: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(R[ruc.x][ruc.y]>=J[ruc.x][ruc.y]&&R[ruc.x][ruc.y]<tmin) tmin=R[ruc.x][ruc.y],x=ruc.x,y=ruc.y; ^ user.cpp:68:56: warning: array subscript has type ‘char’ [-Wchar-subscripts]