Compilare: main.cpp: In function 'void solve()': main.cpp:45:26: warning: array subscript has type 'char' [-Wchar-subscripts] 45 | alf_poz[letters[i]] = i + 1; | ~~~~~~~~~^ main.cpp:56:52: warning: array subscript has type 'char' [-Wchar-subscripts] 56 | hash = hash * base + alf_poz[word[k]]; | ~~~~~~^ main.cpp:71:52: warning: array subscript has type 'char' [-Wchar-subscripts] 71 | hash = hash * base + alf_poz[word[k]]; | ~~~~~~^ main.cpp:85:52: warning: array subscript has type 'char' [-Wchar-subscripts] 85 | hash = hash * base + alf_poz[word[k]]; | ~~~~~~^ main.cpp: In function 'bool comp(const char*, const char*)': main.cpp:97:23: warning: array subscript has type 'char' [-Wchar-subscripts] 97 | if(alf_poz[a[i]] != alf_poz[b[i]]) | ~~~^ main.cpp:97:40: warning: array subscript has type 'char' [-Wchar-subscripts] 97 | if(alf_poz[a[i]] != alf_poz[b[i]]) | ~~~^ main.cpp:98:31: warning: array subscript has type 'char' [-Wchar-subscripts] 98 | return alf_poz[a[i]] < alf_poz[b[i]]; | ~~~^ main.cpp:98:47: warning: array subscript has type 'char' [-Wchar-subscripts] 98 | return alf_poz[a[i]] < alf_poz[b[i]]; | ~~~^