	ID	题目显示标签隐藏标签	AC / 尝试	难度
	881	KRUS Kruska	0 / 0	(无)
	615	KRUSKAL Kruskal	0 / 0	(无)
	2317	KSELECT Chocolate Distribution	0 / 0	(无)
	1213	KSEQ 123 Sequence math	0 / 0	(无)
	2932	KSMALL K-th smallest number quicksort adhoc	0 / 0	(无)
	3875	KTHINDEX Solution to all the problems array binary-search hashing	0 / 0	(无)
	3871	KTRANS K-transfer journey	0 / 0	(无)
	1417	KULE Spheres	0 / 0	(无)
	3827	KUMAR2019 VALENTINE	0 / 0	(无)
	2879	KURUK14 GENIE SEQUENCE	0 / 0	(无)
	2746	KUSAC Kusac	0 / 0	(无)
	1199	KUTH Kutevi Hard	0 / 0	(无)
	1736	KVALTWR Bob and his towers	0 / 0	(无)
	37	LABYR1 Labyrinth dfs	0 / 0	(无)
	592	LABYR2 Number Labyrinth	0 / 0	(无)
	805	LAGRANGE Lagrange’s Four-Square Theorem ad-hoc-1	0 / 0	(无)
	742	LAND Subdividing a Land	0 / 0	(无)
	1782	LANDFILL Landfill	0 / 0	(无)
	1007	LANDING Landing	0 / 0	(无)
	222	LANDSCAP Landscaping	0 / 0	(无)
	696	LARGE Large party	0 / 0	(无)
	3693	LARMY Lannister Army dynamic-programming divide-and-conquer	0 / 0	(无)
	3010	LARSUBP Large subsequence Problem tree binary-search	0 / 0	(无)
	3464	LAS Laser	0 / 0	(无)
	3302	LASER Laser Maze	0 / 0	(无)
	3292	LASERBEAM Laser Beam	0 / 0	(无)
	3855	LASERTAG Lasertag	0 / 0	(无)
	820	LASTDIG The last digit number-theory ad-hoc-1	0 / 0	(无)
	1211	LASTDIG2 The last digit re-visited big-numbers ad-hoc-1	0 / 0	(无)
	3563	LASTSHOT THE LAST SHOT dfs	0 / 0	(无)
	999	LATTICE Distance on a square lattice	0 / 0	(无)
	1930	LAWNMWR Lawn Mower	0 / 0	(无)
	2916	LAWRENCE Lawrence of Arabia	0 / 0	(无)
	218	LAZYCOWS Lazy Cows	0 / 0	(无)
	277	LAZYPROG The lazy programmer	0 / 0	(无)
	2569	LCA Lowest Common Ancestor	0 / 0	(无)
	1704	LCDS Longest Common Difference Subsequence	0 / 0	(无)
	1413	LCKYCONT Lucky Controller	0 / 0	(无)
	1816	LCM The Time of Day	0 / 0	(无)
	3685	LCMP LCM Pesticide	0 / 0	(无)
	1225	LCMSUM LCM Sum number-theory	0 / 0	(无)
	2336	LCPC11B Co-Prime	0 / 0	(无)
	2309	LCPC12B Johnny plays with connect 4	0 / 0	(无)
	2310	LCPC12C Johnny Listens to Music	0 / 0	(无)
	2311	LCPC12D Johnny Hates Climbing	0 / 0	(无)
	2312	LCPC12E Johnnys Empire	0 / 0	(无)
	2313	LCPC12F Johnny The Gambler ad-hoc-1	0 / 0	(无)
	2314	LCPC12G Johnny Studies Genetics	0 / 0	(无)
	2315	LCPC12H Johnny at school	0 / 0	(无)
	526	LCS Longest Common Substring	0 / 0	(无)
	2268	LCS0 Longest Common Subsequence lcs	0 / 0	(无)
	527	LCS2 Longest Common Substring II suffix-array-8	0 / 0	(无)
	1754	LCS3 Long Common Subsequence	0 / 0	(无)
	3834	LDP Try to learn properly numbertheory gcd-29 lcm-4	0 / 0	(无)
	1599	LEAKCONT Leaky containers	0 / 0	(无)
	1011	LEGO Lego scc	0 / 0	(无)
	1769	LEGRENDS Legendre symbol	0 / 0	(无)
	434	LEMON Lemon Tree in the Moonlight	0 / 0	(无)
	1222	LENGFACT Factorial length	0 / 0	(无)
	540	LEONARDO Leonardo Notebook	0 / 0	(无)
	640	LEXBRAC Bracket Sequence	0 / 0	(无)
	1452	LEXIPOS Lexicographic position	0 / 0	(无)
	3055	LEXSTR Lexicographically Smallest	0 / 0	(无)
	1132	LFM Library for Madrid	0 / 0	(无)
	1442	LGLOVE LCM GCD Love	0 / 0	(无)
	310	LIAR Truth or not	0 / 0	(无)
	741	LIFEGAME Life Game	0 / 0	(无)
	2513	LIFERACE LIFE IS A RACE	0 / 0	(无)
	189	LIFTS Lifts	0 / 0	(无)
	1747	LIGHTIN Lightning Conductor	0 / 0	(无)
	2142	LIGHTPZ Lights and Switches	0 / 0	(无)
	1923	LIGHTS2 Lights	0 / 0	(无)
	1942	LIGHTS3 Lights (Extreme) bubble-cup-9-round-2	0 / 0	(无)
	1131	LIM Lost in Madrid matrix	0 / 0	(无)
	743	LINE Connect Line Segments	0 / 0	(无)
	2270	LINEGAR Linear Garden	0 / 0	(无)
	537	LINELAND Lineland Airport	0 / 0	(无)
	761	LINES Game of Lines math ad-hoc-1	0 / 0	(无)
	1325	LINEUP Lineup	0 / 0	(无)
	1656	LINQSOLV Linear Equation Solver	0 / 0	(无)
	649	LIS2 Another Longest Increasing Subsequence Problem	0 / 0	(无)
	1021	LIS2VN Another Longest Increasing Subsequence Problem	0 / 0	(无)
	227	LISA Pocket Money	0 / 0	(无)
	3438	LISTREE LIS and tree tree	0 / 0	(无)
	1406	LITE Light Switching tree	0 / 0	(无)
	141	LITELANG The lightest language	0 / 0	(无)
	92	LITEPIPE GX Light Pipeline Inc	0 / 0	(无)
	2622	LKS Large Knapsack knapsack dynamic-programming	0 / 0	(无)
	1508	LLCA Largest Labeled Common Ancestor	0 / 0	(无)
	1323	LMCONSTR Last Minute Construction	0 / 0	(无)
	3771	LNGPALN Longest palindrome with no adjacent duplicates dynamic-programming-141 strings-13	0 / 0	(无)
	3802	LNTILING Long Tiling	0 / 0	(无)
	2514	LOCKER Magic of the locker	0 / 0	(无)
	1938	LOCKKEY Locks and Keys	0 / 0	(无)
	267	LOGIC Logic	0 / 0	(无)
	466	LOGIC2 Logic II	0 / 0	(无)
	118	LONER The Loner	0 / 0	(无)
	2044	LONGCS Longest Common Substring suffix-array-8	0 / 0	(无)
	2527	LOOPEXP Loop Expectation math probability-theory	0 / 0	(无)
	2767	LOPOV Lopov ad-hoc-1	0 / 0	(无)

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根据当前过滤条件随机选择一道题