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Problemset

294 problems · filtered by 3 tags

#	Name	Rating↕	Solved↕
2244C	Stepan and Permutation constructive algorithms dfs and similar dsu greedy math number theory sortings	unrated	15.6k
2244D	Yaroslav and Productivity constructive algorithms dp greedy math number theory	unrated	11.4k
2242E	Product of Closures bitmasks brute force constructive algorithms greedy implementation math number theory	2200	1.4k
2239A	Nim Game Is XOR Game constructive algorithms games greedy math	1300	8.7k
2237D	Fullmetal Bitchemist constructive algorithms greedy math	1500	6.2k
2231F	Quadratic Jumps brute force constructive algorithms greedy math number theory	2600	787
2226D	Reserved Reversals constructive algorithms dp greedy math	1900	3.2k
2224B	Zhily and Mex and Max constructive algorithms greedy math sortings	1200	9k
2218C	The 67th Permutation Problem constructive algorithms greedy math	800	30.8k
2218D	The 67th OEIS Problem constructive algorithms greedy math number theory	1100	21.6k
2217F	Interval Game bitmasks combinatorics constructive algorithms dp games greedy math probabilities	2300	885
2215A	Interval Mod constructive algorithms dp greedy math	1700	3.7k
2211B	Mickey Mouse Constructive constructive algorithms dp greedy math	1100	12.9k
2189B	The Curse of the Frog constructive algorithms greedy math	1200	16.2k
2189E	Majority Wins? constructive algorithms greedy math strings	2600	882
2179D	Blackslex and Penguin Civilization bitmasks constructive algorithms greedy math	1300	14.1k
2178D	Xmas or Hysteria constructive algorithms greedy implementation math	1700	7k
2163B	Siga ta Kymata constructive algorithms greedy implementation math	1700	9.5k
2158A	Suspension constructive algorithms greedy math	800	24k
2158B	Split constructive algorithms greedy math	1200	14.7k
2157C	Meximum Array 2 constructive algorithms greedy implementation math	1400	10.9k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2152E	Monotone Subsequence constructive algorithms graphs greedy interactive math	2100	3.9k
2143E	Make Good constructive algorithms greedy math strings	2400	2.1k
2131B	Alternating Series constructive algorithms greedy math	800	31.5k
2131H	Sea, You & copriMe brute force constructive algorithms graphs greedy math number theory	2600	909
2127A	Mix Mex Max constructive algorithms greedy math	800	21.1k
2124C	Subset Multiplication constructive algorithms greedy math number theory	1300	16.3k
2124E	Make it Zero constructive algorithms greedy math	2100	4.9k
2122C	Manhattan Pairs constructive algorithms geometry greedy math sortings	1700	9.7k
2120C	Divine Tree constructive algorithms greedy math sortings trees	1400	13k
2118E	Grid Coloring constructive algorithms geometry greedy math	2400	1.4k
2114G	Build an Array brute force constructive algorithms dp greedy math number theory	2200	2.1k
2111F	Puzzle brute force constructive algorithms greedy math	2400	1.5k
2108B	SUMdamental Decomposition bitmasks constructive algorithms greedy implementation math	1300	14.9k
2107E	Ain and Apple Tree binary search constructive algorithms greedy math trees	2600	957
2106B	St. Chroma constructive algorithms greedy math	900	28.9k
2104C	Card Game brute force constructive algorithms games greedy math	1100	17.8k
2092C	Asuna and the Mosquitoes constructive algorithms greedy math	1200	23.1k
2092F	Andryusha and CCB brute force constructive algorithms greedy math number theory strings	2900	438
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2086E	Zebra-like Numbers bitmasks brute force constructive algorithms dfs and similar dp greedy math	2400	1.7k
2084D	Arcology On Permafrost binary search brute force constructive algorithms greedy math	1600	9.1k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2078B	Vicious Labyrinth constructive algorithms graphs greedy implementation math	1100	18.6k
2077A	Breach of Faith constructive algorithms greedy math sortings	1500	14.9k
2077E	Another Folding Strip combinatorics constructive algorithms data structures divide and conquer dp greedy math	2700	627
2072E	Do You Love Your Hero and His Two-Hit Multi-Target Attacks? binary search brute force constructive algorithms dp geometry greedy math	1500	12.6k
2071B	Perfecto brute force constructive algorithms greedy math	1100	21.3k
2070E	Game with Binary String constructive algorithms data structures divide and conquer games greedy math	2200	1.9k
2068H	Statues constructive algorithms greedy math	2700	419
2062A	String constructive algorithms greedy math strings	800	28.5k
2062F	Traveling Salescat constructive algorithms dp geometry graphs greedy math sortings	2900	633
2059B	Cost of the Array brute force constructive algorithms greedy math	1300	19.1k
2059C	Customer Service brute force constructive algorithms graph matchings greedy math sortings	1600	12.8k
2057C	Trip to the Olympiad bitmasks constructive algorithms greedy math	1500	14.1k
2055A	Two Frogs constructive algorithms games greedy math	800	34k
2055C	The Trail brute force constructive algorithms greedy math two pointers	1400	17.6k
2044D	Harder Problem constructive algorithms greedy math	1100	24.6k
2040B	Paint a Strip constructive algorithms greedy math	1000	24.5k
2040C	Ordered Permutations bitmasks combinatorics constructive algorithms greedy math two pointers	1600	11k
2039D	Shohag Loves GCD constructive algorithms greedy math number theory	1700	7.2k
2037C	Superultra's Favorite Permutation constructive algorithms greedy math number theory	1000	26k
2035B	Everyone Loves Tres constructive algorithms greedy math number theory	900	20.9k
2035E	Monster binary search brute force constructive algorithms greedy implementation math ternary search	2300	2k
2034E	Permutations Harmony combinatorics constructive algorithms greedy hashing math	2200	2.1k
2032B	Medians constructive algorithms greedy implementation math	1100	21.1k
2032E	Balanced constructive algorithms data structures greedy implementation math	2400	1.4k
2031A	Penchick and Modern Monument constructive algorithms dp greedy math	800	21.2k
2030A	A Gift From Orangutan constructive algorithms greedy math sortings	800	27.8k
2026A	Perpendicular Segments constructive algorithms geometry greedy math	900	20.5k
2023A	Concatenation of Arrays constructive algorithms greedy math sortings	1300	16.9k
2022A	Bus to Pénjamo constructive algorithms greedy implementation math	800	17.4k
2013B	Battle for Survive constructive algorithms greedy math	900	28.7k
2008A	Sakurako's Exam brute force constructive algorithms greedy math	800	42.3k
2005A	Simple Palindrome combinatorics constructive algorithms greedy math	900	26.7k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1994B	Fun Game bitmasks constructive algorithms greedy math	1100	19.8k
1994D	Funny Game constructive algorithms dsu graphs greedy math number theory trees	1900	7.7k
1994H	Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	3500	779
1992A	Only Pluses brute force constructive algorithms greedy math sortings	800	50.1k
1991C	Absolute Zero constructive algorithms greedy math	1300	18k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1983B	Corner Twist constructive algorithms greedy implementation math	1200	18.6k
1983D	Swap Dilemma constructive algorithms data structures divide and conquer greedy math sortings	1700	11.5k
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1978C	Manhattan Permutations constructive algorithms data structures greedy implementation math	1300	18k
1977B	Binary Colouring bitmasks constructive algorithms greedy math	1100	20.1k
1973C	Cat, Fox and Double Maximum constructive algorithms greedy implementation math sortings	1700	10k
1956C	Nene's Magical Matrix constructive algorithms greedy math	1600	15.4k
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1954A	Painting the Ribbon constructive algorithms greedy math	900	28k
1951A	Dual Trigger constructive algorithms greedy math	900	22.8k
1951D	Buying Jewels constructive algorithms greedy math	2000	6.4k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1936A	Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math	1700	8.8k
1934C	Find a Mine binary search constructive algorithms geometry greedy interactive math	1700	8.2k
1933D	Turtle Tenacity: Continual Mods constructive algorithms greedy math number theory sortings	1200	23.9k
1929A	Sasha and the Beautiful Array constructive algorithms greedy math sortings	800	35.3k

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