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]+=10; ^ user.cpp:29:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[X][Y]+=10; ^ user.cpp: In function ‘int main()’: user.cpp:97:36: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=1;i<=u;i++) N[coada[i].x][coada[i].y]=1; ^ user.cpp:97:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(i=1;i<=u;i++) N[coada[i].x][coada[i].y]=1; ^ user.cpp:108:56: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(N[x1+dx[i]][y1+dy[i]]==12) {ok=0; sol=N[x1][y1]; break;} ^ user.cpp:108:60: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(N[x1+dx[i]][y1+dy[i]]==12) {ok=0; sol=N[x1][y1]; break;} ^ user.cpp:116:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[x1+dx[i]][y1+dy[i]]=N[x1][y1]+1; ^ user.cpp:116:44: warning: array subscript has type ‘char’ [-Wchar-subscripts] N[x1+dx[i]][y1+dy[i]]=N[x1][y1]+1; ^