Compilare: main.cpp: In function 'int main()': main.cpp:18:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ~^~~~~~~~~ main.cpp:64:28: warning: 'pozf' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<pozi<<" "<<pozf<<" "<<el_max<<"\n"; ^~~ main.cpp:64:17: warning: 'pozi' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<pozi<<" "<<pozf<<" "<<el_max<<"\n"; ^~~