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Problemset

893 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2097C	Bermuda Triangle chinese remainder theorem geometry implementation math number theory	2400	1k
2095E	Pair Count *special number theory	unrated	793
2095I	Mysterious Script *special expression parsing number theory	unrated	642
2094H	La Vaca Saturno Saturnita binary search brute force math number theory	1900	3.9k
2093C	Simple Repetition math number theory	1000	31.5k
2092A	Kamilka and the Sheep greedy math number theory sortings	800	28.7k
2092F	Andryusha and CCB brute force constructive algorithms greedy math number theory strings	2900	438
2091E	Interesting Ratio brute force math number theory two pointers	1300	20.2k
2091G	Gleb and Boating brute force constructive algorithms data structures dp graphs greedy math number theory shortest paths	2300	1.6k
2089A	Simple Permutation constructive algorithms number theory	1700	7.4k
2085E	Serval and Modulo constructive algorithms math number theory	2200	3.2k
2084B	MIN = GCD greedy math number theory	1100	17.1k
2081D	MST in Modulo Graph constructive algorithms dsu graphs greedy math number theory sortings trees	2600	1.2k
2081G1	Hard Formula math number theory	3100	81
2077G	RGB Walking bitmasks chinese remainder theorem dfs and similar graphs number theory	3500	142
2072F	Goodbye, Banker Life 2-sat bitmasks combinatorics constructive algorithms fft math number theory	1700	8.7k
2072G	I've Been Flipping Numbers for 300 Years and Calculated the Sum binary search brute force combinatorics divide and conquer math number theory	2200	2.2k
2071A	The Play Never Ends math number theory	800	28.2k
2065G	Skibidus and Capping combinatorics math number theory	1700	6.5k
2063A	Minimal Coprime math number theory	800	32.3k
2060F	Multiplicative Arrays combinatorics dp number theory	2200	2.7k
2053G	Naive String Splits binary search brute force greedy hashing math number theory strings	3400	228
2050F	Maximum modulo equality data structures divide and conquer math number theory	1700	11.3k
2048A	Kevin and Combination Lock brute force greedy implementation math number theory	800	23k
2045B	ICPC Square math number theory	2000	1.8k
2044E	Insane Problem binary search greedy implementation math number theory	1300	18.6k
2044F	Easy Demon Problem binary search brute force data structures math number theory	1900	6.4k
2043B	Digits math number theory	1100	22.2k
2043D	Problem about GCD brute force flows math number theory	1800	7.9k
2041F	Segmentation Folds brute force dfs and similar number theory	2400	520
2040D	Non Prime Tree brute force constructive algorithms dfs and similar greedy number theory trees two pointers	1900	5.9k
2040F	Number of Cubes combinatorics dp math number theory	2700	469
2039A	Shohag Loves Mod constructive algorithms number theory	800	18.3k
2039C1	Shohag Loves XOR (Easy Version) bitmasks brute force math number theory	1200	13.8k
2039C2	Shohag Loves XOR (Hard Version) bitmasks brute force math number theory	1800	5.1k
2039D	Shohag Loves GCD constructive algorithms greedy math number theory	1700	7.2k
2039F1	Shohag Loves Counting (Easy Version) combinatorics dp math number theory	2800	527
2039F2	Shohag Loves Counting (Hard Version) dp number theory	3200	299
2039G	Shohag Loves Pebae math number theory	3500	87
2038K	Grid Walk brute force dp greedy math number theory	2100	1.8k
2037C	Superultra's Favorite Permutation constructive algorithms greedy math number theory	1000	26k
2037G	Natlan Exploring bitmasks combinatorics data structures dp math number theory	2000	3.9k
2036F	XORificator 3000 bitmasks dp number theory two pointers	1900	5.5k
2036G	Library of Magic binary search constructive algorithms divide and conquer interactive math number theory	2200	1.7k
2035B	Everyone Loves Tres constructive algorithms greedy math number theory	900	20.9k
2034A	King Keykhosrow's Mystery brute force chinese remainder theorem math number theory	800	18.6k
2034H	Rayan vs. Rayaneh brute force dfs and similar dp number theory	3300	199
2033F	Kosuke's Sloth brute force math number theory	1800	7.3k
2032A	Circuit greedy implementation math number theory	800	24.9k
2031C	Penchick and BBQ Buns constructive algorithms math number theory	1300	16k
2029E	Common Generator brute force constructive algorithms math number theory	2100	3.6k
2021B	Maximize Mex brute force greedy math number theory	1200	19.2k
2020A	Find Minimum Operations bitmasks brute force greedy math number theory	800	26.2k
2020F	Count Leaves dp math number theory	2900	272
2013E	Prefix GCD brute force dp greedy math number theory	2200	4.4k
2008F	Sakurako's Box combinatorics math number theory	1400	16k
2008G	Sakurako's Task binary search greedy math number theory	1800	6.8k
2008H	Sakurako's Test binary search brute force greedy math number theory	2100	3.7k
2007A	Dora's Set greedy math number theory	800	25.5k
2007C	Dora and C++ math number theory	1500	16.4k
2006C	Eri and Expanded Sets data structures divide and conquer math number theory two pointers	2300	2.1k
2005D	Alter the GCD binary search brute force data structures divide and conquer implementation number theory	2400	1.3k
2004E	Not a Nim Problem brute force games math number theory	2100	5.2k
2002F1	Court Blue (Easy Version) brute force dfs and similar dp math number theory	2600	1k
2002F2	Court Blue (Hard Version) brute force dp math number theory	2800	597
1998B	Minimize Equal Sum Subarrays constructive algorithms math number theory	1000	28.5k
1996D	Fun binary search brute force combinatorics math number theory	1500	20k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
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
1993F1	Dyn-scripted Robot (Easy Version) brute force chinese remainder theorem constructive algorithms math number theory	2400	1.2k
1993F2	Dyn-scripted Robot (Hard Version) chinese remainder theorem math number theory	2800	578
1992F	Valuable Cards brute force dp greedy number theory two pointers	1900	7.7k
1991D	Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	1900	8k
1991H	Prime Split Game bitmasks dp fft games math number theory	3300	580
1986E	Beautiful Array greedy math number theory sortings	1700	11.1k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1986G2	Permutation Problem (Hard Version) brute force data structures hashing math number theory	2500	1.5k
1985B	Maximum Multiple Sum brute force math number theory	800	57.8k
1985G	D-Function combinatorics math number theory	1600	12.5k
1982B	Collatz Conjecture brute force implementation math number theory	1200	20k
1982D	Beauty of the mountains brute force data structures implementation math number theory	1700	10.2k
1981D	Turtle and Multiplication constructive algorithms dfs and similar graphs number theory	2400	2.2k
1980D	GCD-sequence greedy implementation math number theory	1400	17.7k
1979C	Earning on Bets binary search combinatorics constructive algorithms number theory	1200	22.5k
1978F	Large Graph data structures dfs and similar dsu graphs number theory two pointers	2400	1.6k
1977C	Nikita and LCM brute force data structures dp greedy math number theory sortings	1900	8.2k
1973F	Maximum GCD Sum Queries bitmasks brute force dp implementation number theory	3100	345
1968A	Maximize? brute force math number theory	800	39.9k
1968C	Assembly via Remainders constructive algorithms number theory	1000	29.7k
1967B1	Reverse Card (Easy Version) brute force math number theory	1400	16.3k
1967B2	Reverse Card (Hard Version) brute force math number theory	2200	5k
1965B	Missing Subsequence Sum bitmasks constructive algorithms greedy number theory	1800	8.3k
1957E	Carousel of Combinations brute force combinatorics dp math number theory	2400	1.7k
1955G	GCD on a grid brute force dfs and similar dp implementation math number theory	1900	6.1k
1954C	Long Multiplication greedy math number theory	1200	23.2k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1950D	Product of Binary Decimals brute force dp implementation number theory	1100	26.7k
1950E	Nearly Shortest Repeating Substring brute force implementation number theory strings	1500	17.7k
1946E	Girl Permutation combinatorics dp math number theory	2200	3.2k

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