Compilare: user.cpp: In function ‘void Litera(long long int, long long int, bool)’: user.cpp:33:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][s[poz]]; ^ user.cpp:41:30: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += 2 * sum[n][ch] + sum[n][flip(ch)]; ^ user.cpp:41:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += 2 * sum[n][ch] + sum[n][flip(ch)]; ^ user.cpp:43:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][ch] + 2 * sum[n][flip(ch)]; ^ user.cpp:43:49: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][ch] + 2 * sum[n][flip(ch)]; ^ user.cpp:45:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 3) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp:45:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 3) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp:51:24: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][ch] + sum[n][flip(ch)]; ^ user.cpp:51:43: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][ch] + sum[n][flip(ch)]; ^ user.cpp:53:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 2) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp:53:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 2) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp:60:26: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][ch]; ^ user.cpp:62:32: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += sum[n][flip(ch)]; ^ user.cpp:64:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 1) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp:64:67: warning: array subscript has type ‘char’ [-Wchar-subscripts] nrAp += ((lg / (8 * n)) * 1) * (sum[n][ch] + sum[n][flip(ch)]); ^ user.cpp: In function ‘int main()’: user.cpp:78:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] sum[i][ch] = sum[i - 1][ch] + (s[i] == ch); ^