Compilare: main.cpp: In function 'void dfs(int)': main.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void adauga(int, int, int)': main.cpp:42:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<vecini[nod].size(); i++) ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:162:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<sol.size(); j++) ~^~~~~~~~~~~