Compilare: user.cpp: In function ‘int main()’: user.cpp:58:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++) ^ user.cpp:63:53: warning: narrowing conversion of ‘(a.Zbor::pret + pret)’ from ‘long long int’ to ‘int’ inside { } [-Wnarrowing] q.push({a.destinatie, a.timp2, pret + a.pret}); ^ user.cpp:75:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < w[aeroport].size(); j++) ^ user.cpp:88:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < w[3].size(); j++) ^