Compilare: main.cpp: In function 'void dfs(int)': main.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<G[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfsGT(int)': main.cpp:33:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<GT[nod].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:71:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<G[i].size();j++) ~^~~~~~~~~~~~ main.cpp:92:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<componente[nod].size();i++){ ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:102:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<muchii[nod].size();j++){ ~^~~~~~~~~~~~~~~~~~~ main.cpp:121:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();i++) g<<sol[i]<<' '; ~^~~~~~~~~~~