Compilare: main.cpp: In function 'void citire1()': main.cpp:27:8: warning: unused variable 'l' [-Wunused-variable] int l[4]={1,5,25,125},x,y,z; ^ main.cpp:27:30: warning: unused variable 'z' [-Wunused-variable] int l[4]={1,5,25,125},x,y,z; ^ main.cpp: In function 'void DFS(short int)': main.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(short int i=0;i<v[x].size();i++) ~^~~~~~~~~~~~