Compilare: main.cpp: In function 'std::pair<std::__cxx11::basic_string<char>, int> AnagramaMinLex(std::__cxx11::string, int*, int*)': main.cpp:20:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<c.size(); i++) ~^~~~~~~~~ main.cpp: In function 'std::__cxx11::string getString(int, int, int*)': main.cpp:57:28: warning: 'sizeof' on array function parameter 'fr' will return size of 'int*' [-Wsizeof-array-argument] memset(fr, 0, sizeof(fr)); ^ main.cpp:54:43: note: declared here string getString(int st, int dr, int fr[26]) ^ main.cpp:57:25: warning: argument to 'sizeof' in 'void* memset(void*, int, size_t)' call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(fr, 0, sizeof(fr)); ^