Compilare: user.cpp: In function ‘int main()’: user.cpp:22:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b<='z' && b>='a') st[b][a]=1; ^ user.cpp:22:37: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(b<='z' && b>='a') st[b][a]=1; ^ user.cpp:37:54: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(char w='A';w<='Z';++w) if(d[0][n-1][w]==i && w!='S') {out<<"2\n",ok=1; break;} ^ user.cpp: In function ‘void rezolva(char*, int, int)’: user.cpp:48:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[i][i][j]=st[ss[i]][j]*adevar; ^ user.cpp:61:40: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[s][k][re[q][0]]==adevar && d[k+1][dr][re[q][1]]==adevar) ^ user.cpp:61:72: warning: array subscript has type ‘char’ [-Wchar-subscripts] if(d[s][k][re[q][0]]==adevar && d[k+1][dr][re[q][1]]==adevar) ^ user.cpp:62:38: warning: array subscript has type ‘char’ [-Wchar-subscripts] d[s][dr][re[q][2]]=adevar; ^