ID Problem Show tags Hide tags AC / Tried Difficulty
1860 P4C   Registration system 0 / 0 (None)
1863 P5C   Longest Regular Bracket Sequence 0 / 0 (None)
1864 P5E   Bindian Signalizing 0 / 0 (None)
1906 P19D   Points 0 / 0 (None)
1933 P28D   Don't fear, DravDe is kind 0 / 0 (None)
1935 P29C   Mail Stamps 0 / 0 (None)
1961 P37C   Old Berland Language 0 / 0 (None)
1989 P44G   Shooting Gallery 0 / 0 (None)
1993 P45C   Dancing Lessons 0 / 0 (None)
2001 P46E   Comb 0 / 0 (None)
2005 P47E   Cannon 0 / 0 (None)
2032 P56C   Corporation Mail 0 / 0 (None)
2033 P56E   Domino Principle 0 / 0 (None)
2065 P66C   Petya and File System 0 / 0 (None)
2069 P67D   Optical Experiment 0 / 0 (None)
2072 P68D   Half-decay tree 0 / 0 (None)
2077 P70C   Lucky Tickets 0 / 0 (None)
2095 P74D   Hanger 0 / 0 (None)
2099 P75D   Big Maximum Sum 0 / 0 (None)
2110 P79C   Beaver 0 / 0 (None)

Categories

Lucky

Pick a problem randomly based on the current filter.