Compilare: user.cpp: In function ‘void back(char, char, char)’: user.cpp:24:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[lin][j]=='.'&&ap[lin][j]==0) ^ user.cpp:24:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[lin][j]=='.'&&ap[lin][j]==0) ^ user.cpp:24:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[lin][j]=='.'&&ap[lin][j]==0) ^ user.cpp:24:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[lin][j]=='.'&&ap[lin][j]==0) ^ user.cpp:26:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] x[poz]=lin; ^ user.cpp:27:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] y[poz]=j; ^ user.cpp:32:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(ii+dx[k]<=n&&jj+dy[k]>=1&&jj+dy[k]<=n&&a[ii+dx[k]][jj+dy[k]]=='.') ^ user.cpp:32:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(ii+dx[k]<=n&&jj+dy[k]>=1&&jj+dy[k]<=n&&a[ii+dx[k]][jj+dy[k]]=='.') ^ user.cpp:32:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(ii+dx[k]<=n&&jj+dy[k]>=1&&jj+dy[k]<=n&&a[ii+dx[k]][jj+dy[k]]=='.') ^ user.cpp:32:71: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(ii+dx[k]<=n&&jj+dy[k]>=1&&jj+dy[k]<=n&&a[ii+dx[k]][jj+dy[k]]=='.') ^ user.cpp:32:81: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(ii+dx[k]<=n&&jj+dy[k]>=1&&jj+dy[k]<=n&&a[ii+dx[k]][jj+dy[k]]=='.') ^ user.cpp:34:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] ii+=dx[k]; ^ user.cpp:35:29: warning: array subscript has type ‘char’ [-Wchar-subscripts] jj+=dy[k]; ^ user.cpp:36:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[ii][jj]++; ^ user.cpp:36:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] ap[ii][jj]++; ^ user.cpp:39:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(urmm[lin][j]<=n) back(lin,urmm[lin][j],poz+1); ^ user.cpp:39:27: warning: array subscript has type ‘char’ [-Wchar-subscripts]