Compilare: main.cpp: In function 'int main()': main.cpp:30:21: warning: variable 't' set but not used [-Wunused-but-set-variable] int w[1005],p,n,t; ^ main.cpp: In function 'int cool(int)': main.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp:21:19: warning: 'vf[<unknown>]' may be used uninitialized in this function [-Wmaybe-uninitialized] if(vf[v[i]]==0) ~~~~~~~^