Eroare de compilare: user.cpp: In function ‘void solve()’: user.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[x].size(); ++i) { ~~^~~~~~~~~~~~~ user.cpp:46:34: error: expected ‘)’ before ‘]’ token if (d[x] + 1 < d[nod]]) { ^ user.cpp:46:34: error: expected primary-expression before ‘]’ token user.cpp: In function ‘int main()’: user.cpp:76:10: warning: unused variable ‘cin_buff’ [-Wunused-variable] auto cin_buff = cin.rdbuf(); ^~~~~~~~ user.cpp:77:10: warning: unused variable ‘cout_buff’ [-Wunused-variable] auto cout_buff = cout.rdbuf(); ^~~~~~~~~