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Problemset

485 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2004D	Colored Portals binary search brute force data structures graphs greedy implementation shortest paths	1600	13.5k
2004F	Make a Palindrome binary search brute force data structures greedy math	2600	1.4k
2002D2	DFS Checker (Hard Version) binary search data structures dfs and similar graphs hashing trees	2300	2.9k
2000H	Ksyusha and the Loaded Set binary search brute force data structures implementation	2200	2.4k
1998E1	Eliminating Balls With Merging (Easy Version) binary search brute force data structures divide and conquer greedy	2200	2.3k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1997E	Level Up binary search brute force data structures divide and conquer implementation	2200	3.9k
1995B2	Bouquet (Hard Version) binary search data structures greedy math sortings two pointers	1700	10.3k
1990E1	Catch the Mole(Easy Version) binary search data structures dfs and similar interactive trees	2500	1.2k
1990E2	Catch the Mole(Hard Version) binary search data structures dfs and similar divide and conquer interactive trees	2600	1.2k
1988E	Range Minimum Sum binary search brute force data structures divide and conquer implementation	2300	1.9k
1986G1	Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory	2200	2k
1985F	Final Boss binary search data structures	1500	20.5k
1983F	array-value binary search bitmasks data structures greedy two pointers	2500	1.6k
1982C	Boring Day binary search data structures dp greedy two pointers	1200	22.3k
1982F	Sorting Problem Again binary search data structures sortings	2600	1.3k
1979E	Manhattan Triangle binary search constructive algorithms data structures geometry implementation two pointers	2400	1.9k
1976D	Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	2000	5.9k
1975E	Chain Queries binary search data structures dfs and similar implementation trees	2100	2.9k
1974F	Cutting Game binary search brute force data structures implementation sortings two pointers	1900	4.5k
1973B	Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers	1300	17.1k
1969E	Unique Array binary search data structures divide and conquer dp greedy	2400	1.9k
1968F	Equal XOR Segments binary search data structures	1800	7.1k
1968G1	Division + LCP (easy version) binary search data structures dp hashing string suffix structures strings	1900	5.4k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1957F1	Frequency Mismatch (Easy Version) binary search data structures divide and conquer hashing probabilities trees	2600	706
1957F2	Frequency Mismatch (Hard Version) binary search data structures dfs and similar hashing probabilities trees	2700	659
1956A	Nene's Game binary search brute force data structures games greedy	800	24.5k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1951B	Battle Cows binary search data structures greedy	1200	17k
1945G	Cook and Porridge binary search constructive algorithms data structures implementation	2500	946
1942D	Learning to Paint binary search data structures dfs and similar dp greedy implementation sortings	2100	3.4k
1941E	Rudolf and k Bridges binary search data structures dp two pointers	1600	12.2k
1936B	Pinball binary search data structures implementation math two pointers	2000	3.6k
1936D	Bitwise Paradox binary search bitmasks data structures greedy two pointers	3100	705
1935C	Messenger in MAC binary search brute force constructive algorithms data structures dp greedy sortings	1800	9.9k
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1930C	Lexicographically Largest binary search constructive algorithms data structures greedy sortings	1700	8.2k
1927D	Find the Different Ones! binary search brute force data structures dp dsu greedy two pointers	1300	35.3k
1926E	Vlad and an Odd Ordering binary search bitmasks data structures dp implementation math number theory	1500	15.2k
1923D	Slimes binary search constructive algorithms data structures greedy two pointers	1800	8.5k
1920F1	Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths	2500	1.3k
1920F2	Smooth Sailing (Hard Version) binary search data structures dsu geometry graphs trees	3000	668
1918D	Blocking Elements binary search data structures dp implementation two pointers	1900	6.4k
1913F	Palindromic Problem binary search data structures hashing string suffix structures strings	2800	583
1910H	Sum of Digits of Sums *special binary search data structures	2400	112
1904C	Array Game binary search brute force data structures sortings two pointers	1400	25.2k
1903F	Babysitting 2-sat binary search data structures graphs trees	2500	976
1902D	Robot Queries binary search data structures dp implementation	1900	5.4k
1900F	Local Deletions binary search data structures implementation	2800	370
1896D	Ones and Twos binary search data structures divide and conquer math two pointers	1700	7.1k
1895E	Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers	2300	1.9k
1895G	Two Characters, Two Colors binary search data structures dp flows greedy	3100	405
1887C	Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	2400	2.3k
1887D	Split binary search data structures divide and conquer dsu math trees two pointers	2700	1.3k
1881G	Anya and the Mysterious String binary search data structures	2000	3k
1878E	Iva & Pav binary search bitmasks data structures greedy	1400	22.3k
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1876G	Clubstep binary search brute force data structures greedy trees	3500	295
1872E	Data Structures Fan binary search bitmasks data structures dp	1500	22.5k
1870C	Colorful Table binary search data structures dp implementation math two pointers	1300	13.3k
1866F	Freak Joker Process binary search data structures sortings	3100	201
1866G	Grouped Carriages binary search data structures dp flows greedy	2100	2.3k
1866K	Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	2500	585
1862C	Flower City Fence binary search data structures implementation sortings	1100	23.3k
1862G	The Great Equalizer binary search data structures math sortings	2000	3.5k
1859D	Andrey and Escape from Capygrad binary search data structures dp dsu greedy sortings	1800	8.1k
1857F	Sum and Product binary search data structures math	1600	14.6k
1856C	To Become Max binary search brute force data structures dp	1600	19.2k
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1849C	Binary String Copying binary search brute force data structures hashing strings	1600	12.7k
1849E	Max to the Right of Min binary search data structures divide and conquer dp dsu two pointers	2300	2.3k
1849F	XOR Partition binary search bitmasks data structures divide and conquer greedy trees	2700	911
1848B	Vika and the Bridge binary search data structures greedy implementation math sortings	1200	26.1k
1847F	The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings	2500	1.1k
1845D	Rating System binary search brute force data structures dp dsu greedy math two pointers	1800	9.2k
1844F2	Min Cost Permutation (Hard Version) binary search constructive algorithms data structures greedy math sortings	2800	506
1843E	Tracking Segments binary search brute force data structures two pointers	1600	18.8k
1837F	Editorial for Two binary search data structures greedy implementation	2400	2.7k
1834E	MEX of LCM binary search data structures implementation math number theory	2300	2.9k
1827B2	Range Sorting (Hard Version) binary search data structures dp greedy	2400	2.4k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1817A	Almost Increasing Subsequence binary search data structures greedy	1500	12.9k
1814D	Balancing Weapons binary search brute force data structures math two pointers	2500	1.1k
1811G2	Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers	2200	2.2k
1809F	Traveling in Berland binary search data structures graphs greedy implementation	2500	972
1808D	Petya, Petya, Petr, and Palindromes binary search brute force data structures two pointers	2100	2.8k
1805C	Place for a Selfie binary search data structures geometry math	1400	14.4k
1801C	Music Festival binary search data structures dp greedy sortings	1900	4.2k
1801D	The way home binary search data structures dp graphs greedy shortest paths sortings	2100	2.9k
1795C	Tea Tasting binary search data structures implementation	1500	18.9k
1795E	Explosions? binary search data structures dp greedy math	2200	2.4k
1793E	Velepin and Marketing binary search data structures dp greedy sortings two pointers	2600	1.4k
1792D	Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings	1700	8.3k
1791F	Range Update Point Query binary search brute force data structures	1500	15.9k
1787H	Codeforces Scoreboard binary search data structures dp geometry	3300	348
1781E	Rectangle Shrinking binary search brute force data structures greedy implementation two pointers	2300	1.5k
1780E	Josuke and Complete Graph binary search brute force data structures math number theory	2400	1.8k
1774F2	Magician and Pigs (Hard Version) binary search brute force data structures implementation	2700	921
1771F	Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees	2500	1.7k

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