Compilare: user.cpp: In function ‘int main()’: user.cpp:20:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] in >> s + 1; ~~^~~ user.cpp:79:65: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][s[m]] + (long long)count0[p-1]*(long long)dp1[k][s[m]] + (long long)dp1[m][s[m]] << "\n"; ^ user.cpp:79:114: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][s[m]] + (long long)count0[p-1]*(long long)dp1[k][s[m]] + (long long)dp1[m][s[m]] << "\n"; ^ user.cpp:79:140: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][s[m]] + (long long)count0[p-1]*(long long)dp1[k][s[m]] + (long long)dp1[m][s[m]] << "\n"; ^ user.cpp:85:73: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][letter(s[m])] + (long long)count0[p-1]*(long long)dp1[k][letter(s[m])] + (long long)dp2[m][letter(s[m])] << "\n"; ^ user.cpp:85:130: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][letter(s[m])] + (long long)count0[p-1]*(long long)dp1[k][letter(s[m])] + (long long)dp2[m][letter(s[m])] << "\n"; ^ user.cpp:85:164: warning: array subscript has type ‘char’ [-Wchar-subscripts] out << (long long)count1[p-1]*(long long)dp2[k][letter(s[m])] + (long long)count0[p-1]*(long long)dp1[k][letter(s[m])] + (long long)dp2[m][letter(s[m])] << "\n"; ^