Problem Set - lizikid

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1677	ABC291C [ABC291C] LRUD Instructions 2	0 / 0	(None)
	1678	ABC291D [ABC291D] Flip Cards	0 / 0	(None)
	1680	ABC291E [ABC291E] Find Permutation	0 / 0	(None)
	1681	ABC291F [ABC291F] Teleporter and Closed off	0 / 0	(None)
	1682	ABC291G [ABC291G] OR Sum	0 / 0	(None)
	1683	ABC291H [ABC291Ex] Balanced Tree	0 / 0	(None)
	1691	ABC292A [ABC292A] CAPS LOCK	0 / 0	(None)
	1692	ABC292B [ABC292B] Yellow and Red Card	0 / 0	(None)
	1693	ABC292C [ABC292C] Four Variables	0 / 0	(None)
	1694	ABC292D [ABC292D] Unicyclic Components	0 / 0	(None)
	1695	ABC292E [ABC292E] Transitivity	0 / 0	(None)
	1696	ABC292F [ABC292F] Regular Triangle Inside a Rectangle	0 / 0	(None)
	1697	ABC292G [ABC292G] Count Strictly Increasing Sequences	0 / 0	(None)
	1698	ABC292H [ABC292Ex] Rating Estimator	0 / 0	(None)
	1699	ABC293A [ABC293A] Swap Odd and Even	0 / 0	(None)
	1700	ABC293B [ABC293B] Call the ID Number	0 / 0	(None)
	1702	ABC293C [ABC293C] Make Takahashi Happy	0 / 0	(None)
	1703	ABC293D [ABC293D] Tying Rope	0 / 0	(None)
	1704	ABC293E [ABC293E] Geometric Progression	0 / 0	(None)
	1705	ABC293F [ABC293F] Zero or One	0 / 0	(None)
	1706	ABC293G [ABC293G] Triple Index 莫队	0 / 0	(None)
	1707	ABC293H [ABC293Ex] Optimal Path Decomposition	0 / 0	(None)
	1715	ABC294A [ABC294A] Filter	0 / 0	(None)
	1716	ABC294B [ABC294B] ASCII Art	0 / 0	(None)
	1717	ABC294C [ABC294C] Merge Sequences	0 / 0	(None)
	1718	ABC294D [ABC294D] Bank	0 / 0	(None)
	1719	ABC294E [ABC294E] 2xN Grid	0 / 0	(None)
	1720	ABC294F [ABC294F] Sugar Water 2	0 / 0	(None)
	1721	ABC294G [ABC294G] Distance Queries on a Tree	0 / 0	(None)
	1722	ABC294H [ABC294Ex] K-Coloring	0 / 0	(None)
	1731	ABC295A [ABC295A] Probably English	0 / 0	(None)
	1732	ABC295B [ABC295B] Bombs	0 / 0	(None)
	1733	ABC295C [ABC295C] Socks	0 / 0	(None)
	1735	ABC295D [ABC295D] Three Days Ago	0 / 0	(None)
	1736	ABC295E [ABC295E] Kth Number	0 / 0	(None)
	1737	ABC295F [ABC295F] substr = S	0 / 0	(None)
	1738	ABC295G [ABC295G] Minimum Reachable City	0 / 0	(None)
	1739	ABC295H [ABC295Ex] E or m	0 / 0	(None)
	1740	ABC296A [ABC296A] Alternately	0 / 0	(None)
	1741	ABC296B [ABC296B] Chessboard	0 / 0	(None)
	1742	ABC296C [ABC296C] Gap Existence	0 / 0	(None)
	1743	ABC296D [ABC296D] M<=ab	0 / 0	(None)
	1744	ABC296E [ABC296E] Transition Game	0 / 0	(None)
	1746	ABC296F [ABC296F] Simultaneous Swap	0 / 0	(None)
	1747	ABC296G [ABC296G] Polygon and Points	0 / 0	(None)
	1748	ABC296H [ABC296Ex] Unite	0 / 0	(None)
	1755	ABC297A [ABC297A] Double Click	0 / 0	(None)
	1757	ABC297B [ABC297B] chess960	0 / 0	(None)
	1758	ABC297C [ABC297C] PC on the Table	0 / 0	(None)
	1759	ABC297D [ABC297D] Count Subtractions	0 / 0	(None)

Pick a problem randomly based on the current filter.