Compilare: main.cpp: In function 'void solve(int, int)': main.cpp:26:17: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | suf[lit][i] = suf[lit][i+1] + (a[i] - 'a' == lit); | ^~~ main.cpp:26:31: warning: array subscript has type 'char' [-Wchar-subscripts] 26 | suf[lit][i] = suf[lit][i+1] + (a[i] - 'a' == lit); | ^~~ main.cpp: In function 'int main()': main.cpp:66:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 66 | for(int i=0; i<b.length(); i++) | ~^~~~~~~~~~~ main.cpp:90:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(int i=1; i<margini.size(); i++) | ~^~~~~~~~~~~~~~~ main.cpp:94:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(int i=0; i<a.length(); i++) | ~^~~~~~~~~~~