Compilare: user.cpp: In function ‘void lee(char, char)’: user.cpp:27:19: warning: array subscript has type ‘char’ [-Wchar-subscripts] int i, val=N[X][Y]; ^ user.cpp:27:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] int i, val=N[X][Y]; ^ user.cpp:29:8: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[X][Y]+=100000; ^ user.cpp:29:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[X][Y]+=100000; ^ user.cpp: In function ‘int main()’: user.cpp:109:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(N[x1+dx[i]][y1+dy[i]]==100002) {ok=0; sol=N[x1][y1]; break;} ^ user.cpp:109:64: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(N[x1+dx[i]][y1+dy[i]]==100002) {ok=0; sol=N[x1][y1]; break;} ^ user.cpp:117:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[x1+dx[i]][y1+dy[i]]=N[x1][y1]+1; ^ user.cpp:117:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[x1+dx[i]][y1+dy[i]]=N[x1][y1]+1; ^