Eroare de compilare: user.cpp: In function ‘int dfs(int)’: user.cpp:29:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[nod].size(); i++) ~~^~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:42:7: error: ‘v’ was not declared in this scope v[i].clear(); ^ user.cpp:43:20: error: expected ‘)’ before ‘sizeof’ memset(grad,0 sizeof(grad)); ^~~~~~ user.cpp:43:32: error: too few arguments to function ‘void* memset(void*, int, size_t)’ memset(grad,0 sizeof(grad)); ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/32/bits/stdc++.h:33, from user.cpp:1: /usr/include/bits/string3.h:78:1: note: declared here __NTH (memset (void *__dest, int __ch, size_t __len)) ^ user.cpp:56:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); i++) ~~^~~~~~~~~~