Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vecini[nod].size();i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfsT(int)': main.cpp:31:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<vc[nod].size();i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<sol[solutie[i-1].second].size();j++) g<<sol[solutie[i-1].second][j]<<' '; ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~