/in/foo.cc: In function 'int main()':
/in/foo.cc:33:15: warning: iteration 30 invokes undefined behavior [-Waggressive-loop-optimizations]
   l[i]=Hash1[i]+Hash2[i];
        ~~~~~~~^
/in/foo.cc:31:15: note: within this loop
  for(int i=0;i<=30;i++)
              ~^~~~