Compilare: main.cpp: In function 'void dfs(int)': main.cpp:24:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[vecin].size(); ++i){ ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:117:12: warning: 'ansy' may be used uninitialized in this function [-Wmaybe-uninitialized] dfs(id[ansx][ansy]); ~~~^~~~~~~~~~~~~~~~ main.cpp:117:12: warning: 'ansx' may be used uninitialized in this function [-Wmaybe-uninitialized]