Compilare: main.cpp: In function 'int main()': main.cpp:27:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (*it==nr) ~~~^~~~ main.cpp:38:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (*it==nr) ~~~^~~~ main.cpp:48:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (*it==nr) ~~~^~~~ main.cpp:17:43: warning: 'hashnr' is used uninitialized in this function [-Wuninitialized] vector <list<unsigned>> hashuri(hashnr); ^