Compilare: main.cpp: In function 'int main()': main.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();++j) ~^~~~~~~~~ main.cpp:72:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int y=1;y<elements.size();++y) ~^~~~~~~~~~~~~~~~ main.cpp:36:31: warning: 'code1' may be used uninitialized in this function [-Wmaybe-uninitialized] int code1 = (code1*baza + s.at(j) -'a')%mod1; ~~~~~^~~~~ main.cpp:37:31: warning: 'code2' may be used uninitialized in this function [-Wmaybe-uninitialized] int code2 = (code2*baza + s.at(j)-'a')%mod2; ~~~~~^~~~~