Compilare: main.cpp: In function 'void dfsInv(int)': main.cpp:22:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < grafInv[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:37:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graf[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < componente[i].size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~