Compilare: main.cpp: In function 'void DFS(int, int, int)': main.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<=vec[v_curent].size()-1;j++) ~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void rezolvare(int)': main.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=vec[parent].size()-1;i++) ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:56:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<=vec[X].size()-1;i++) ~^~~~~~~~~~~~~~~~~