Compilare: main.cpp: In function 'int main()': main.cpp:43:17: warning: array subscript has type 'char' [-Wchar-subscripts] 43 | f[s[0][i]][0]++; | ~~~~~~^ main.cpp:66:22: warning: array subscript has type 'char' [-Wchar-subscripts] 66 | ans += f[letter][schema[corect][i]]; | ^~~~~~ main.cpp:67:43: warning: array subscript has type 'char' [-Wchar-subscripts] 67 | ans += 1LL * 2 * (grupa - 1) * (f[letter][0] + f[letter][1]); | ^~~~~~ main.cpp:67:58: warning: array subscript has type 'char' [-Wchar-subscripts] 67 | ans += 1LL * 2 * (grupa - 1) * (f[letter][0] + f[letter][1]); | ^~~~~~