Compilare: main.cpp: In function 'void dfs(int)': main.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void fac_RMQ()': main.cpp:73:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < node.size(); i++) ~~^~~~~~~~~~~~~ main.cpp:80:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j <= ~~^~~ node.size() - (1 << i); j++) ~~~~~~~~~~~~~~~~~~~~~~ main.cpp:87:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < node.size(); i++) ~~^~~~~~~~~~~~~