Compilare: main.cpp: In function 'void rezolvare()': main.cpp:54:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<a.size()-1;i++) ~^~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:62:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<g[k].size();i++) ~^~~~~~~~~~~~ main.cpp:61:11: warning: unused variable 'j' [-Wunused-variable] int i,j,l; ^ main.cpp: In function 'void rezolvare()': main.cpp:53:14: warning: 'prim' may be used uninitialized in this function [-Wmaybe-uninitialized] dfs(prim); ^