Compilare: user.cpp: In function ‘int main()’: user.cpp:31:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:27: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:50: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:62: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:31:69: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(a[v.lin][v.col]+b[p.lin][p.col]<b[v.lin][v.col] && a[v.lin][v.col]!=-1) ^ user.cpp:33:12: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^ user.cpp:33:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^ user.cpp:33:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^ user.cpp:33:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^ user.cpp:33:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^ user.cpp:33:51: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[v.lin][v.col]=b[p.lin][p.col]+a[v.lin][v.col]; ^