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Problemset

154 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2237G	Send GCDs communication constructive algorithms interactive math number theory	2900	416
2222E	Seek the Truth binary search bitmasks constructive algorithms interactive	2000	2.3k
2219B1	Unique Values (Easy version) binary search constructive algorithms divide and conquer interactive math	1900	4.2k
2219B2	Unique Values (Hard version) binary search bitmasks constructive algorithms interactive	2000	3.8k
2215C	Oriented Journey bitmasks brute force communication constructive algorithms graphs interactive trees	2200	819
2210E	Binary Strings are Simple? constructive algorithms implementation interactive number theory	2700	369
2209C	Find the Zero constructive algorithms interactive	1400	11.8k
2207H1	Bowser's Castle (Easy Version) binary search constructive algorithms divide and conquer greedy interactive trees	unrated	60
2207H2	Bowser's Castle (Medium Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	51
2207H3	Bowser's Castle (Hard Version) constructive algorithms divide and conquer interactive trees two pointers	unrated	69
2183G	Snake Instructions constructive algorithms greedy interactive	3200	243
2181C	Cacti Classification binary search constructive algorithms interactive math	3200	167
2179F	Blackslex and Another RGB Walking communication constructive algorithms graphs interactive number theory trees	2000	2.9k
2174E1	Game of Scientists (Version 1) chinese remainder theorem constructive algorithms interactive math	3100	147
2173E	Shiro's Mirror Duel constructive algorithms greedy interactive probabilities sortings	2200	1.6k
2168A1	Encode and Decode (Easy Version) communication constructive algorithms interactive	unrated	5.3k
2168B	Locate binary search combinatorics communication constructive algorithms greedy interactive	unrated	1.6k
2168C	Intercepting Butterflies bitmasks communication constructive algorithms graphs interactive	unrated	912
2164G	Pointless Machine constructive algorithms graphs interactive trees	3300	249
2159A	MAD Interactive Problem constructive algorithms implementation interactive	1700	9k
2157G	Isaac's Queries bitmasks brute force constructive algorithms dfs and similar divide and conquer dp greedy interactive math probabilities	2800	672
2156D	Find the Last Number binary search bitmasks constructive algorithms interactive	1900	5.5k
2155D	Batteries brute force constructive algorithms graph matchings graphs interactive math	1800	6.2k
2152E	Monotone Subsequence constructive algorithms graphs greedy interactive math	2100	3.9k
2135B	For the Champion constructive algorithms interactive math	1700	8.6k
2135D1	From the Unknown (Easy Version) constructive algorithms interactive math	2100	3.4k
2135D2	From the Unknown (Hard Version) brute force constructive algorithms interactive math	2500	1.2k
2134E	Power Boxes constructive algorithms dp implementation interactive	2300	2.5k
2129C1	Interactive RBS (Easy Version) binary search bitmasks constructive algorithms interactive	1900	4.5k
2129C2	Interactive RBS (Medium Version) binary search bitmasks constructive algorithms interactive	2000	3.2k
2129C3	Interactive RBS (Hard Version) binary search bitmasks constructive algorithms dp interactive	2300	1.9k
2127G1	Inter Active (Easy Version) binary search constructive algorithms interactive probabilities	3400	119
2127G2	Inter Active (Hard Version) binary search bitmasks constructive algorithms graphs implementation interactive math probabilities	3500	126
2109C1	Hacking Numbers (Easy Version) bitmasks constructive algorithms interactive math number theory	1500	11.8k
2109C2	Hacking Numbers (Medium Version) constructive algorithms interactive math number theory	1700	8.9k
2109C3	Hacking Numbers (Hard Version) constructive algorithms interactive math number theory	2600	3.3k
2106G1	Baudelaire (easy version) binary search constructive algorithms divide and conquer greedy interactive trees	2200	1.7k
2096G	Wonderful Guessing Game bitmasks constructive algorithms interactive	3200	451
2086F	Online Palindrome brute force constructive algorithms interactive	3000	142
2077B	Finding OR Sum bitmasks constructive algorithms implementation interactive math	1900	3.7k
2061G	Kevin and Teams constructive algorithms graphs interactive	2900	526
2049E	Broken Queries binary search bitmasks brute force constructive algorithms implementation interactive	2400	1.6k
2038G	Guess One Character constructive algorithms implementation interactive	1900	3k
2036G	Library of Magic binary search constructive algorithms divide and conquer interactive math number theory	2200	1.7k
2032D	Genokraken constructive algorithms data structures graphs greedy implementation interactive trees two pointers	1800	6.3k
2031F	Penchick and Even Medians binary search constructive algorithms interactive probabilities	2800	476
2022D1	Asesino (Easy Version) binary search brute force constructive algorithms implementation interactive	1900	4.1k
2022D2	Asesino (Hard Version) constructive algorithms dp interactive	2700	845
2013C	Password Cracking constructive algorithms interactive strings	1400	14.9k
1994H	Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	3500	779
1991E	Coloring Game constructive algorithms dfs and similar games graphs greedy interactive	1900	5.2k
1991I	Grid Game constructive algorithms games graph matchings greedy interactive	3500	172
1979F	Kostyanych's Theorem brute force constructive algorithms graphs interactive	2900	451
1977E	Tensor constructive algorithms graphs interactive	2600	951
1970D1	Arithmancy (Easy) brute force constructive algorithms interactive strings	2100	967
1970D2	Arithmancy (Medium) constructive algorithms interactive probabilities strings	2600	332
1939A	Draw Polygon Lines *special constructive algorithms dp geometry interactive	unrated	30
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
1930H	Interactive Mex Tree constructive algorithms dfs and similar interactive trees	3300	379
1924F	Anti-Proxy Attendance constructive algorithms dp interactive ternary search	3500	234
1918E	ace5 and Task Order constructive algorithms divide and conquer implementation interactive probabilities sortings	2200	2.1k
1896G	Pepe Racing constructive algorithms implementation interactive sortings	3200	451
1887E	Good Colorings binary search constructive algorithms graphs interactive	3100	534
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1867C	Salyg1n and the MEX Game constructive algorithms data structures games greedy interactive	1300	12.8k
1867E1	Salyg1n and Array (simple version) constructive algorithms interactive math	2000	4.4k
1867E2	Salyg1n and Array (hard version) constructive algorithms interactive	2200	3.8k
1846F	Rudolph and Mimic constructive algorithms implementation interactive	1800	3.8k
1840G1	In Search of Truth (Easy Version) constructive algorithms interactive math meet-in-the-middle probabilities	2200	2.9k
1840G2	In Search of Truth (Hard Version) constructive algorithms interactive math meet-in-the-middle probabilities	2500	1.2k
1839E	Decreasing Game constructive algorithms dfs and similar dp greedy interactive	2400	1.6k
1838F	Stuck Conveyor binary search constructive algorithms interactive	3000	396
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1797C	Li Hua and Chess constructive algorithms greedy interactive	1600	9.1k
1780D	Bit Guessing Game binary search bitmasks constructive algorithms interactive	1800	5.9k
1779E	Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings	2400	2.1k
1765G	Guess the String constructive algorithms interactive probabilities	2600	486
1762D	GCD Queries constructive algorithms interactive number theory	2100	4.5k
1746E1	Joking (Easy Version) binary search constructive algorithms interactive ternary search	2500	1.8k
1738F	Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees	2400	1.4k
1721F	Matching Reduction brute force constructive algorithms dfs and similar flows graph matchings graphs interactive	2800	641
1715F	Crop Squares constructive algorithms geometry interactive math	2700	603
1713D	Tournament Countdown constructive algorithms greedy interactive number theory probabilities	1800	6.3k
1705F	Mark and the Online Exam bitmasks constructive algorithms interactive probabilities	2900	718
1698D	Fixed Point Guessing binary search constructive algorithms interactive	1600	12.5k
1697D	Guess The String binary search constructive algorithms interactive	1900	5.1k
1687B	Railway System constructive algorithms graphs greedy interactive sortings	1700	4.2k
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	979
1672E	notepad.exe binary search constructive algorithms greedy interactive	2200	2.5k
1666I	Interactive Treasure Hunt brute force constructive algorithms geometry interactive math	2200	1.8k
1665D	GCD Guess bitmasks chinese remainder theorem constructive algorithms games interactive math number theory	2000	4.8k
1634D	Finding Zero constructive algorithms interactive math	2000	4.8k
1628C	Grid Xor constructive algorithms greedy implementation interactive math	2300	3.6k
1624F	Interacdive Problem binary search constructive algorithms interactive	2000	3.9k
1617D1	Too Many Impostors (easy version) constructive algorithms implementation interactive	1800	5.2k
1617D2	Too Many Impostors (hard version) constructive algorithms implementation interactive math	2400	2.1k
1583D	Omkar and the Meaning of Life constructive algorithms greedy interactive	1800	6k
1578M	The Mind constructive algorithms interactive probabilities	2700	543
1566H	Xor-quiz constructive algorithms dp interactive math number theory	3200	177

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