problems

1. score: 0
   Simple periods

   0 points | exact answer | 0 solves | no votes (0 votes; 0 up, 0 down) | 7 hours ago #lfsr
2. score: 1
   LFSR story

   50 points | exact answer | 1 solves | 100% positive (1 votes; 1 up, 0 down) | 9 hours ago #lfsr #medium