Compilare: main.cpp: In function 'void adaug_in_hash(int)': main.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<hsh[rest].size();i++) if(hsh[rest][i]==val)return; ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void sterge(int)': main.cpp:21:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<hsh[rest].size();i++) if(hsh[rest][i]==val){hsh[rest].erase(hsh[rest].begin()+i);return;} ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int verifica(int)': main.cpp:27:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<hsh[rest].size();i++) if(hsh[rest][i]==val)return 1; ~^~~~~~~~~~~~~~~~~