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Problemset

873 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1955C	Inhabitant of the Deep Sea greedy implementation math	1300	25k
1955E	Long Inversions brute force greedy implementation sortings	1700	10.8k
1954E	Chain Reaction binary search data structures dsu greedy implementation math number theory	2200	3k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1950F	0, 1, 2, Tree! bitmasks brute force greedy implementation trees	1700	11.5k
1948B	Array Fix brute force dp greedy implementation	1100	26.5k
1948E	Clique Partition brute force constructive algorithms graphs greedy implementation	2100	3.6k
1946A	Median of an Array greedy implementation sortings	800	28.8k
1946C	Tree Cutting binary search dp greedy implementation trees	1600	14.1k
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1942D	Learning to Paint binary search data structures dfs and similar dp greedy implementation sortings	2100	3.4k
1937B	Binary Path dp greedy implementation	1300	17.5k
1936C	Pokémon Arena data structures graphs greedy implementation shortest paths sortings	2400	1.8k
1935F	Andrey's Tree binary search constructive algorithms data structures dfs and similar dsu greedy implementation trees	2800	634
1932A	Thorns and Coins dp greedy implementation	800	34.4k
1932D	Card Game greedy implementation	1400	13.6k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1927F	Microcycle data structures dfs and similar dsu graphs greedy implementation sortings trees	1900	5.6k
1926G	Vlad and Trouble at MIT dfs and similar dp flows graphs greedy implementation trees	1900	4.7k
1923A	Moving Chips greedy implementation	800	26.5k
1923B	Monsters Attack! dp greedy implementation	1100	20.1k
1923F	Shrink-Reverse binary search brute force greedy hashing implementation string suffix structures strings	2800	544
1922C	Closest Cities greedy implementation math	1300	22.4k
1921B	Arranging Cats greedy implementation	800	36.8k
1918A	Brick Wall constructive algorithms greedy implementation math	800	32.6k
1918B	Minimize Inversions constructive algorithms data structures greedy implementation sortings	900	27.5k
1918C	XOR-distance bitmasks greedy implementation math	1400	17.1k
1918F	Caterpillar on a Tree dfs and similar graphs greedy implementation sortings trees	2500	1.2k
1917C	Watering an Array brute force greedy implementation math	1600	12.6k
1916C	Training Before the Olympiad constructive algorithms games greedy implementation math	1200	20.1k
1915D	Unnatural Language Processing greedy implementation strings	900	35.6k
1915G	Bicycles graphs greedy implementation shortest paths sortings	1800	10.3k
1914D	Three Activities brute force dp greedy implementation sortings	1200	40.7k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1904D2	Set To Max (Hard Version) constructive algorithms data structures divide and conquer greedy implementation sortings	1800	5.8k
1901D	Yet Another Monster Fight binary search dp greedy implementation math	1700	8.8k
1900A	Cover in Water constructive algorithms greedy implementation strings	800	69.9k
1899E	Queue Sort greedy implementation sortings	1300	18.6k
1896F	Bracket Xoring constructive algorithms greedy implementation math	2600	1k
1893C	Freedom of Choice brute force greedy implementation	2000	3.3k
1891E	Brukhovich and Exams brute force greedy implementation math sortings	2500	1.1k
1889A	Qingshan Loves Strings 2 constructive algorithms greedy implementation	1300	15.5k
1884E	Hard Design greedy implementation math	2800	440
1874A	Jellyfish and Game brute force games greedy implementation	1200	19.6k
1873D	1D Eraser greedy implementation two pointers	800	44.1k
1872B	The Corridor or There and Back Again greedy implementation	900	30.7k
1870D	Prefix Purchase greedy implementation sortings	1800	8.1k
1868B1	Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	1700	8.4k
1868B2	Candy Party (Hard Version) bitmasks constructive algorithms dp greedy implementation math	2100	2.8k
1868D	Flower-like Pseudotree constructive algorithms graphs greedy implementation trees	3000	418
1868F	LIS? data structures greedy implementation	3500	140
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1864A	Increasing and Decreasing constructive algorithms greedy implementation math	800	21.5k
1863A	Channel greedy implementation	800	18.9k
1862A	Gift Carpet dp greedy implementation strings	800	36.6k
1857B	Maximum Rounding greedy implementation math	1100	24.9k
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1850D	Balanced Round brute force greedy implementation sortings	900	64.7k
1850H	The Third Letter dfs and similar dsu graphs greedy implementation	1700	10.2k
1848B	Vika and the Bridge binary search data structures greedy implementation math sortings	1200	26.1k
1847D	Professor Higashikata data structures dsu greedy implementation strings	1900	4.3k
1844C	Particles dp greedy implementation math	1300	18.1k
1839A	The Good Array greedy implementation math	800	18.4k
1837F	Editorial for Two binary search data structures greedy implementation	2400	2.7k
1834D	Survey in Class brute force data structures greedy implementation sortings	1900	5.6k
1833G	Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees	1800	6.5k
1832C	Contrast Value greedy implementation	1200	36.6k
1832D1	Red-Blue Operations (Easy Version) binary search greedy implementation math	2100	3.5k
1832D2	Red-Blue Operations (Hard Version) binary search constructive algorithms greedy implementation math	2400	2.4k
1829C	Mr. Perfectly Fine bitmasks greedy implementation	800	32.9k
1826A	Trust Nobody brute force greedy implementation sortings	1200	17.5k
1824A	LuoTianyi and the Show greedy implementation	1400	12.6k
1819B	The Butcher geometry greedy implementation sortings two pointers	1900	4.3k
1818A	Politics greedy implementation	800	14.6k
1809F	Traveling in Berland binary search data structures graphs greedy implementation	2500	972
1808C	Unlucky Numbers brute force dp greedy implementation	1900	4.4k
1807C	Find and Replace greedy implementation strings	800	34.8k
1807G1	Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings	1100	22.7k
1807G2	Subsequence Addition (Hard Version) bitmasks dp greedy implementation sortings	1100	29.4k
1804B	Vaccination greedy implementation	1000	15.8k
1804D	Accommodation brute force dp greedy implementation	2000	5.3k
1802A	Likes greedy implementation	800	16.8k
1802B	Settlement of Guinea Pigs greedy implementation math	1000	14.8k
1799A	Recent Actions data structures greedy implementation math	800	12.4k
1799E	City Union constructive algorithms dfs and similar dsu geometry greedy implementation math	2300	1.4k
1798A	Showstopper greedy implementation sortings	800	21.2k
1798B	Three Sevens brute force data structures greedy implementation	1000	19k
1797A	Li Hua and Maze constructive algorithms flows graphs greedy implementation	800	19.7k
1794E	Labeling the Tree with Distances data structures dp greedy hashing implementation trees	2400	1.6k
1793D	Moscow Gorillas binary search dp greedy implementation math two pointers	1800	7.2k
1789F	Serval and Brain Power bitmasks brute force dp greedy implementation strings	2700	1k
1788B	Sum of Two Numbers constructive algorithms greedy implementation math probabilities	1100	22.6k
1788F	XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees	2500	1.2k
1781C	Equal Frequencies brute force constructive algorithms greedy implementation sortings strings	1600	11k
1781E	Rectangle Shrinking binary search brute force data structures greedy implementation two pointers	2300	1.5k
1778A	Flip Flop Sum greedy implementation	800	25.9k
1775E	The Human Equation greedy implementation	2100	4k
1774D	Same Count One brute force constructive algorithms greedy implementation two pointers	1600	9.4k
1772G	Gaining Rating binary search greedy implementation math sortings two pointers	2200	1.6k
1768C	Elemental Decompress constructive algorithms greedy implementation sortings	1300	15.9k

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