Compilare: main.cpp: In function 'void DFS(int)': main.cpp:78:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void afis()': main.cpp:91:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[i].size();j++) ~^~~~~~~~~~~~ main.cpp: In function 'void cerinta2()': main.cpp:117:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0,vecin,cost;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:105:13: warning: unused variable 'aux' [-Wunused-variable] coridor aux; ^~~ main.cpp:115:17: warning: 'nod' may be used uninitialized in this function [-Wmaybe-uninitialized] viz[nod]=1; ~~~~~~~~^~