Compilare: main.cpp: In function 'int main()': main.cpp:42:9: warning: unused variable 't' [-Wunused-variable] int t,i,j; ^ main.cpp:42:13: warning: unused variable 'j' [-Wunused-variable] int t,i,j; ^ main.cpp: In function 'void dfs2(int, int)': main.cpp:114:24: warning: 'nodul' may be used uninitialized in this function [-Wmaybe-uninitialized] lnt[node]=lnt[nodul]; ~~~~~~~~~^