Compilare: user.cpp: In function ‘int main()’: user.cpp:70:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[l+1][c]==0) ^ user.cpp:72:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mrk[l+1][c]==0&&l!=m) ^ user.cpp:74:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l+1][c]=mrk[l][c]+1; ^ user.cpp:74:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l+1][c]=mrk[l][c]+1; ^ user.cpp:77:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(mrk[l+1][c]>mrk[l][c]+1) ^ user.cpp:77:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(mrk[l+1][c]>mrk[l][c]+1) ^ user.cpp:79:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l+1][c]=mrk[l][c]+1; ^ user.cpp:79:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l+1][c]=mrk[l][c]+1; ^ user.cpp:83:20: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[l-1][c]==0&&l!=1) ^ user.cpp:85:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(mrk[l-1][c]==0) ^ user.cpp:87:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l-1][c]=mrk[l][c]+1; ^ user.cpp:87:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l-1][c]=mrk[l][c]+1; ^ user.cpp:90:31: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(mrk[l-1][c]>mrk[l][c]+1) ^ user.cpp:90:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] else if(mrk[l-1][c]>mrk[l][c]+1) ^ user.cpp:92:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l-1][c]=mrk[l][c]+1; ^ user.cpp:92:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] mrk[l-1][c]=mrk[l][c]+1; ^ user.cpp:100:37: warning: array subscript has type ‘char’ [-Wchar-subscripts]