constructive algorithms - 题库 - bzoj.org

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	746	P1672F2 Checker for Array Shuffling constructive algorithms dfs and similar graphs *2800	0 / 0	10
	745	P1672G Cross Xor constructive algorithms graphs math matrices *3200	0 / 0	10
	744	P1672H Zigu Zagu constructive algorithms data structures greedy *2700	0 / 0	10
	737	P1673F Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math *2400	0 / 0	9
	736	P1674A Number Transformation constructive algorithms math *800	0 / 0	3
	733	P1674D A-B-C Sort constructive algorithms implementation sortings *1200	0 / 0	4
	732	P1674E Breaking the Wall binary search brute force constructive algorithms greedy math *2000	0 / 0	7
	711	P1677C Tokitsukaze and Two Colorful Tapes constructive algorithms dfs and similar graphs greedy *1900	0 / 0	6
	685	P1682B AND Sorting bitmasks constructive algorithms sortings *1100	0 / 0	3
	684	P1682C LIS or Reverse LIS? constructive algorithms greedy implementation math *1400	0 / 0	4
	683	P1682D Circular Spanning Tree constructive algorithms implementation trees *2000	0 / 0	7
	682	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	10
	680	P1684A Digit Minimization constructive algorithms games math strings *800	0 / 0	3
	679	P1684B Z mod X = C constructive algorithms math *800	0 / 0	3
	678	P1684C Column Swapping brute force constructive algorithms greedy implementation sortings *1400	0 / 0	4
	677	P1684D Traps constructive algorithms greedy sortings *1700	0 / 0	5
	676	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	7
	674	P1684G Euclid Guess constructive algorithms flows graph matchings math number theory *2800	0 / 0	10
	673	P1684H Hard Cut constructive algorithms dfs and similar divide and conquer math *3400	0 / 0	10
	672	P1685A Circular Local MiniMax constructive algorithms greedy sortings *1100	0 / 0	3
	670	P1685C Bring Balance brute force constructive algorithms greedy *2600	0 / 0	10
	669	P1685D1 Permutation Weight (Easy Version) constructive algorithms dfs and similar dsu *2800	0 / 0	10
	668	P1685D2 Permutation Weight (Hard Version) constructive algorithms greedy *3500	0 / 0	10
	663	P1687B Railway System constructive algorithms graphs greedy interactive sortings *1700	0 / 0	5
	660	P1687E Become Big For Me combinatorics constructive algorithms greedy math number theory *3500	0 / 0	10
	657	P1688B Patchouli's Magical Talisman bitmasks constructive algorithms greedy sortings *800	0 / 0	3
	656	P1688C Manipulating History constructive algorithms greedy strings *1700	0 / 0	5
	651	P1689E ANDfinity bitmasks brute force constructive algorithms dfs and similar dsu graphs *2500	0 / 0	9
	650	P1690A Print a Pedestal (Codeforces logo?) constructive algorithms greedy *800	0 / 0	3
	642	P1691B Shoe Shuffling constructive algorithms greedy implementation two pointers *1000	0 / 0	3
	641	P1691C Sum of Substrings brute force constructive algorithms greedy math strings *1400	0 / 0	4
	640	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	6
	622	P1694B Paranoid String constructive algorithms greedy *1200	0 / 0	4
	618	P1695D1 Tree Queries (Easy Version) brute force constructive algorithms dfs and similar dp greedy trees *2200	0 / 0	8
	617	P1695D2 Tree Queries (Hard Version) constructive algorithms dfs and similar dp greedy trees *2300	0 / 0	8
	616	P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs *2700	0 / 0	10
	613	P1696C Fishingprince Plays With Array constructive algorithms greedy implementation math *1400	0 / 0	4
	612	P1696D Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths *1900	0 / 0	6
	610	P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	10
	605	P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	4
	604	P1697D Guess The String binary search constructive algorithms interactive *1900	0 / 0	6
	603	P1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	9
	602	P1697F Too Many Constraints 2-sat constructive algorithms graphs implementation *2800	0 / 0	10
	600	P1698B Rising Sand constructive algorithms greedy implementation *800	0 / 0	3
	598	P1698D Fixed Point Guessing binary search constructive algorithms interactive *1600	0 / 0	5
	596	P1698F Equal Reversal constructive algorithms graphs implementation math *2800	0 / 0	10
	594	P1699A The Third Three Number Problem constructive algorithms math *800	0 / 0	3
	593	P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
	592	P1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	5
	589	P1700A Optimal Path constructive algorithms greedy math *800	0 / 0	3
	588	P1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	3
	587	P1700C Helping the Nature constructive algorithms data structures greedy *1700	0 / 0	5
	585	P1700E Serega the Pirate brute force constructive algorithms *2600	0 / 0	10
	584	P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	10
	577	P1702A Round Down the Price constructive algorithms *800	0 / 0	3
	572	P1702F Equate Multisets constructive algorithms data structures greedy math number theory *1700	0 / 0	5
	562	P1704A Two 0-1 Sequences constructive algorithms greedy *800	0 / 0	3
	559	P1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	6
	558	P1704E Count Seconds brute force constructive algorithms dp graphs implementation math *2200	0 / 0	8
	557	P1704F Colouring Game constructive algorithms dp games *2600	0 / 0	10
	556	P1704G Mio and Lucky Array constructive algorithms fft math strings *3500	0 / 0	10
	555	P1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	10
	552	P1705B Mark the Dust Sweeper constructive algorithms greedy implementation *900	0 / 0	3
	550	P1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	6
	548	P1705F Mark and the Online Exam bitmasks constructive algorithms interactive probabilities *2900	0 / 0	10
	547	P1706A Another String Minimization Problem 2-sat constructive algorithms greedy string suffix structures strings *800	0 / 0	3
	544	P1706D1 Chopping Carrots (Easy Version) binary search brute force constructive algorithms greedy number theory *1700	0 / 0	5
	543	P1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers *2400	0 / 0	9
	541	P1707A Doremy's IQ binary search constructive algorithms greedy implementation *1600	0 / 0	5
	536	P1707F Bugaboo bitmasks constructive algorithms dp number theory *3500	0 / 0	10
	534	P1708B Difference of GCDs constructive algorithms math *1100	0 / 0	3
	531	P1709C Recover an RBS constructive algorithms greedy implementation strings *1800	0 / 0	6
	527	P1710A Color the Picture constructive algorithms greedy math *1500	0 / 0	5
	525	P1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	9
	524	P1710D Recover the Tree constructive algorithms trees *3400	0 / 0	10
	522	P1711A Perfect Permutation constructive algorithms *800	0 / 0	3
	519	P1712B Woeful Permutation constructive algorithms greedy number theory *800	0 / 0	3
	517	P1712D Empty Graph binary search constructive algorithms data structures greedy shortest paths *2000	0 / 0	7
	512	P1713B Optimal Reduction constructive algorithms sortings *1000	0 / 0	3
	511	P1713C Build Permutation constructive algorithms dp math *1200	0 / 0	4
	510	P1713D Tournament Countdown constructive algorithms greedy interactive number theory probabilities *1800	0 / 0	6
	508	P1713F Lost Array bitmasks combinatorics constructive algorithms dp math *2900	0 / 0	10
	502	P1714F Build a Tree and That Is It constructive algorithms implementation trees *1900	0 / 0	6
	500	P1715A Crossmarket constructive algorithms greedy math *800	0 / 0	3
	499	P1715B Beautiful Array constructive algorithms greedy math *1000	0 / 0	3
	495	P1715F Crop Squares constructive algorithms geometry interactive math *2700	0 / 0	10
	493	P1716B Permutation Chain constructive algorithms math *800	0 / 0	3
	487	P1717B Madoka and Underground Competitions constructive algorithms implementation *1100	0 / 0	3
	485	P1717D Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math *1900	0 / 0	6
	483	P1717F Madoka and The First Session constructive algorithms flows graph matchings graphs implementation *2500	0 / 0	9
	477	P1718E Impressionism constructive algorithms graphs implementation math *3500	0 / 0	10
	474	P1719B Mathematical Circus constructive algorithms math *800	0 / 0	3
	467	P1720E Misha and Paintings constructive algorithms data structures greedy implementation math *2700	0 / 0	10
	461	P1721F Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive *2800	0 / 0	10
	454	P1722G Even-Odd XOR bitmasks constructive algorithms greedy *1500	0 / 0	5
	446	P1725H Hot Black Hot White constructive algorithms math *1800	0 / 0	6
	439	P1726B Mainak and Interesting Sequence bitmasks constructive algorithms math *1100	0 / 0	3
	437	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	7
	431	P1728B Best Permutation constructive algorithms greedy *800	0 / 0	3
	429	P1728D Letter Picking constructive algorithms dp games two pointers *1800	0 / 0	6

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