Compilare: main.cpp: In function 'int scazurid(int)': main.cpp:14:15: warning: unused variable 'prev' [-Wunused-variable] int s = 0,prev; ^~~~ main.cpp: In function 'void test()': main.cpp:26:13: warning: variable 'p' set but not used [-Wunused-but-set-variable] int n,j,p=0,root; ^ main.cpp:15:16: warning: 'root' may be used uninitialized in this function [-Wmaybe-uninitialized] if (caz[nod] == 0) return 1; ~~~~~~~^ main.cpp:26:17: note: 'root' was declared here int n,j,p=0,root; ^~~~