Compilare: main.cpp: In function 'bool termen()': main.cpp:75:34: warning: array subscript has type 'char' [-Wchar-subscripts] 75 | return c[poz_litere[a[poz]]] - 48; | ~~~~~^ main.cpp:76:32: warning: array subscript has type 'char' [-Wchar-subscripts] 76 | return !(c[poz_litere[a[poz]]] - 48); | ~~~~~^ main.cpp: In function 'int main()': main.cpp:104:31: warning: array subscript has type 'char' [-Wchar-subscripts] 104 | poz_litere[a[j]] = litere.size() - 1; | ~~~^ main.cpp:106:31: warning: array subscript has type 'char' [-Wchar-subscripts] 106 | verificare[a[j]]++; | ~~~^ main.cpp:116:31: warning: array subscript has type 'char' [-Wchar-subscripts] 116 | poz_litere[b[j]] = litere.size() - 1; | ~~~^ main.cpp:118:31: warning: array subscript has type 'char' [-Wchar-subscripts] 118 | verificare[b[j]]++; | ~~~^ main.cpp:130:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for(int j = 0; j < litere.size(); j++) | ~~^~~~~~~~~~~~~~~ main.cpp:92:28: warning: array subscript 256 is above array bounds of 'int [256]' [-Warray-bounds] 92 | poz_litere[(1 << 8)] = {0}; | ~~~~~~~~~~~~~~~~~~~^ main.cpp:17:5: note: while referencing 'poz_litere' 17 | int poz_litere[(1 << 8)]; | ^~~~~~~~~~