Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[nod].size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < nodeSums[nod].size();i++) { ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:54:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nodeSums[f].size() <= i+1) { ~~~~~~~~~~~~~~~~~~~^~~~~~ main.cpp:60:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < nodeSums[nod].size(); j++) { ~~^~~~~~~~~~~~~~~~~~~~~~