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Problemset

2,107 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1779D	Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings	1700	9.2k
1779E	Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings	2400	2.1k
1779F	Xorcerer's Stones bitmasks constructive algorithms dp trees	2500	1.5k
1779G	The Game of the Century constructive algorithms graphs shortest paths	3000	418
1776D	Teamwork constructive algorithms greedy math	2800	596
1776F	Train Splitting constructive algorithms graphs greedy	1700	4.2k
1776G	Another Wine Tasting Event combinatorics constructive algorithms math strings	2100	2.4k
1775A1	Gardener and the Capybaras (easy version) brute force constructive algorithms implementation	800	20.5k
1775A2	Gardener and the Capybaras (hard version) constructive algorithms greedy	900	20.1k
1775B	Gardener and the Array bitmasks constructive algorithms	1300	21.9k
1775F	Laboratory on Pluto constructive algorithms dp greedy math	2500	920
1774A	Add Plus Minus Sign constructive algorithms math	800	23.7k
1774B	Coloring constructive algorithms greedy math	1500	14.1k
1774C	Ice and Fire constructive algorithms dp greedy	1300	13.4k
1774D	Same Count One brute force constructive algorithms greedy implementation two pointers	1600	9.4k
1774G	Segment Covering brute force combinatorics constructive algorithms data structures dp trees	3200	692
1774H	Maximum Permutation constructive algorithms	3500	162
1773A	Amazing Trick constructive algorithms graph matchings math probabilities	1900	1.9k
1773F	Football constructive algorithms	800	4.9k
1773J	Jumbled Trees constructive algorithms math	2900	155
1773K	King's Puzzle constructive algorithms	1900	1.7k
1772C	Different Differences constructive algorithms greedy math	1000	26.5k
1772D	Absolute Sorting constructive algorithms math	1400	18.9k
1772F	Copy of a Copy of a Copy constructive algorithms dfs and similar graphs implementation sortings	2000	2.9k
1771B	Hossam and Friends binary search constructive algorithms dp two pointers	1400	22.5k
1770B	Koxia and Permutation constructive algorithms	1000	21k
1770D	Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation	2000	4.5k
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	170
1768C	Elemental Decompress constructive algorithms greedy implementation sortings	1300	15.9k
1768D	Lucky Permutation constructive algorithms dfs and similar graphs greedy	1800	9.3k
1767D	Playoff combinatorics constructive algorithms dp greedy math	1500	11.3k
1765D	Watch the Videos binary search constructive algorithms two pointers	1700	4.9k
1765G	Guess the String constructive algorithms interactive probabilities	2600	487
1764F	Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees	2500	1.3k
1763A	Absolute Maximization bitmasks constructive algorithms greedy math	800	17.1k
1763C	Another Array Problem brute force constructive algorithms greedy	2000	8k
1762B	Make Array Good constructive algorithms implementation number theory sortings	1100	18.7k
1762D	GCD Queries constructive algorithms interactive number theory	2100	4.5k
1762G	Unequal Adjacent Elements constructive algorithms sortings	3100	158
1761A	Two Permutations brute force constructive algorithms	800	40.1k
1761B	Elimination of a Ring constructive algorithms greedy implementation	1000	14.8k
1761C	Set Construction constructive algorithms dfs and similar graphs greedy	1400	10.8k
1761E	Make It Connected binary search brute force constructive algorithms dsu graphs greedy matrices trees two pointers	2400	2.2k
1759G	Restore the Permutation binary search constructive algorithms data structures greedy math	1900	5.6k
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms strings	800	27.2k
1758B	XOR = Average constructive algorithms	900	24.2k
1758D	Range = √Sum binary search brute force constructive algorithms math two pointers	1800	8.6k
1758F	Decent Division constructive algorithms data structures	3000	245
1754B	Kevin and Permutation constructive algorithms greedy math	800	19.8k
1753A1	Make Nonzero Sum (easy version) constructive algorithms dp greedy	1300	16.6k
1753A2	Make Nonzero Sum (hard version) constructive algorithms dp greedy	1500	11.7k
1753D	The Beach constructive algorithms dfs and similar graphs shortest paths	2400	2.1k
1750A	Indirect Sort constructive algorithms implementation math	800	17.9k
1750C	Complementary XOR constructive algorithms implementation	1400	10.5k
1750H	BinaryStringForces constructive algorithms data structures dp	3500	126
1749E	Cactus Wall constructive algorithms dfs and similar graphs shortest paths	2400	2.1k
1748D	ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms math number theory	2100	3.3k
1748F	Circular Xor Reversal bitmasks constructive algorithms	3000	403
1747A	Two Groups constructive algorithms greedy	800	26.6k
1747B	BAN BAN constructive algorithms	900	26.3k
1747D	Yet Another Problem binary search bitmasks constructive algorithms data structures	1900	5.7k
1746A	Maxmina constructive algorithms greedy	800	21.2k
1746B	Rebellion constructive algorithms greedy two pointers	800	18.8k
1746C	Permutation Operations constructive algorithms greedy implementation math	1300	14.2k
1746E1	Joking (Easy Version) binary search constructive algorithms interactive ternary search	2500	1.8k
1743B	Permutation Value constructive algorithms greedy	800	23.3k
1743C	Save the Magazines constructive algorithms dp greedy	1100	20.8k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1742F	Smaller constructive algorithms greedy strings	1500	14.3k
1741B	Funny Permutation constructive algorithms math	800	26.9k
1740A	Factorise N+M constructive algorithms number theory	800	23.4k
1740C	Bricks and Bags constructive algorithms games greedy sortings	1400	12.4k
1740D	Knowledge Cards constructive algorithms data structures	1500	9.2k
1740E	Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees	1800	5.1k
1740G	Dangerous Laser Power constructive algorithms dsu sortings	3100	403
1739B	Array Recovery constructive algorithms greedy math	1100	24.7k
1739C	Card Game combinatorics constructive algorithms dp games	1500	10.2k
1738B	Prefix Sum Addicts constructive algorithms greedy math sortings	1200	19.1k
1738D	Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees	1900	3.8k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1738G	Anti-Increasing Addicts constructive algorithms dp greedy math	2900	578
1737C	Ela and Crickets constructive algorithms games implementation math	1500	6.5k
1737F	Ela and Prime GCD constructive algorithms math number theory	3300	162
1736D	Equal Binary Subsequences constructive algorithms geometry greedy implementation strings	2200	2.8k
1735A	Working Week constructive algorithms greedy math	800	21.1k
1735E	House Planning constructive algorithms data structures graph matchings greedy	2400	1.3k
1734B	Bright, Nice, Brilliant constructive algorithms	800	16.5k
1734E	Rectangular Congruence constructive algorithms number theory	2100	3.3k
1733B	Rule of League constructive algorithms math	900	21.3k
1733C	Parity Shuffle Sorting constructive algorithms sortings	1300	17.2k
1733D1	Zero-One (Easy Version) constructive algorithms greedy math	1400	15.2k
1733E	Conveyor constructive algorithms dp math	2700	1.6k
1732A	Bestie brute force combinatorics constructive algorithms implementation math number theory	1000	17.8k
1730D	Prefixes and Suffixes constructive algorithms strings two pointers	2200	3.1k
1729C	Jumping on Tiles constructive algorithms strings	1100	21.8k
1728B	Best Permutation constructive algorithms greedy	800	20.7k
1728D	Letter Picking constructive algorithms dp games two pointers	1800	8.4k
1726B	Mainak and Interesting Sequence bitmasks constructive algorithms math	1100	17.1k
1726D	Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees	2000	4.3k
1725H	Hot Black Hot White constructive algorithms math	1800	3k

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