Compilare: user.cpp: In function ‘void leer(char, char)’: user.cpp:29:8: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[x][y]=1; ^ user.cpp:29:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[x][y]=1; ^ user.cpp:38:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] i2=i+dx[k]; ^ user.cpp:39:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] j2=j+dy[k]; ^ user.cpp:42:21: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i2][j2]=1+a[i][j]; ^ user.cpp:42:25: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i2][j2]=1+a[i][j]; ^ user.cpp:42:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i2][j2]=1+a[i][j]; ^ user.cpp:42:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[i2][j2]=1+a[i][j]; ^ user.cpp: In function ‘void leej(char, char)’: user.cpp:51:8: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[x][y]=1; ^ user.cpp:51:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[x][y]=1; ^ user.cpp:52:9: warning: array subscript has type ‘char’ [-Wchar-subscripts] ef[x][y]=1; ^ user.cpp:61:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] i2=i+dx[k]; ^ user.cpp:62:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] j2=j+dy[k]; ^ user.cpp:65:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i2][j2]==a[i][j]+1)es[i2][j2]=1; ^ user.cpp:65:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i2][j2]==a[i][j]+1)es[i2][j2]=1; ^ user.cpp:65:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[i2][j2]==a[i][j]+1)es[i2][j2]=1; ^