Compilare: main.cpp: In function 'int main()': main.cpp:24:14: warning: array subscript has type 'char' [-Wchar-subscripts] 24 | chei[test] = j; | ^~~~ main.cpp:26:14: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | chei[test] = j; | ^~~~ main.cpp:28:14: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | chei[test] = j; | ^~~~ main.cpp:35:48: warning: array subscript has type 'char' [-Wchar-subscripts] 35 | hasha = (hasha + putmic * chei[a[i]])%prim; | ^ main.cpp:36:48: warning: array subscript has type 'char' [-Wchar-subscripts] 36 | hashb = (hashb + putmic * chei[b[i]])%prim; | ^ main.cpp:39:44: warning: array subscript has type 'char' [-Wchar-subscripts] 39 | hasha = (hasha + putmic * chei[a[0]])%prim; | ^ main.cpp:40:44: warning: array subscript has type 'char' [-Wchar-subscripts] 40 | hashb = (hashb + putmic * chei[b[0]])%prim; | ^ main.cpp:46:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (i = lung; i < b.length(); i++) | ~~^~~~~~~~~~~~ main.cpp:49:55: warning: array subscript has type 'char' [-Wchar-subscripts] 49 | hashbnou = ((prim + hashbnou - chei[b[j-1]] * putmic%prim) % prim *nrlitalfabet + chei[b[i]])%prim; | ^ main.cpp:49:104: warning: array subscript has type 'char' [-Wchar-subscripts] 49 | hashbnou = ((prim + hashbnou - chei[b[j-1]] * putmic%prim) % prim *nrlitalfabet + chei[b[i]])%prim; | ^