Compilare: main.cpp: In function 'void radixSort(std::__cxx11::string&, int*)': main.cpp:10:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++) ~^~~~~~~~~ main.cpp:13:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<s.size(); i++){ ~^~~~~~~~~ main.cpp:14:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (suffix[i] + crt < s.size()) ~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:15:37: warning: array subscript has type 'char' [-Wchar-subscripts] ind[s[suffix[i]+crt]].push_back (suffix[i]); ^ main.cpp:22:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<ind[i].size(); j++) ~^~~~~~~~~~~~~~ main.cpp:9:9: warning: unused variable 'newSuffix' [-Wunused-variable] int newSuffix[s.size()]; ^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:79:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<aux.size(); j++) ~^~~~~~~~~~~