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Problemset

688 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
1999B	Card Game brute force constructive algorithms implementation	1000	42.6k
1998C	Perform Operations to Maximize Score binary search brute force constructive algorithms greedy implementation	1900	7.2k
1998E2	Eliminating Balls With Merging (Hard Version) binary search brute force data structures divide and conquer greedy implementation	2500	927
1997A	Strong Password brute force implementation strings	800	33.7k
1997E	Level Up binary search brute force data structures divide and conquer implementation	2200	3.9k
1995A	Diagonals brute force greedy implementation math	800	26.6k
1995C	Squaring brute force constructive algorithms greedy implementation math number theory	1800	10.4k
1992E	Novice's Mistake brute force constructive algorithms implementation math strings	1700	11k
1991F	Triangle Formation brute force greedy implementation math sortings	2200	2.8k
1990D	Grid Puzzle bitmasks brute force dp greedy implementation	1800	7.9k
1988A	Split the Multiset brute force greedy implementation math	900	27.3k
1988E	Range Minimum Sum binary search brute force data structures divide and conquer implementation	2300	1.9k
1986D	Mathematical Problem brute force dp greedy implementation math two pointers	1400	18.2k
1985H1	Maximize the Largest Component (Easy Version) brute force data structures dfs and similar dsu graphs implementation	1700	7.4k
1984D	''a'' String Problem brute force hashing implementation math string suffix structures strings	2000	4k
1983C	Have Your Cake and Eat It Too binary search brute force greedy implementation	1400	14.9k
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
1981C	Turtle and an Incomplete Sequence bitmasks brute force constructive algorithms greedy implementation math	1800	6.4k
1979A	Guess the Maximum brute force greedy implementation	800	32k
1978E	Computing Machine brute force data structures dp greedy implementation	2000	4.7k
1975A	Bazoka and Mocha's Array brute force greedy implementation sortings	800	20.9k
1974F	Cutting Game binary search brute force data structures implementation sortings two pointers	1900	4.5k
1973A	Chess For Three brute force dp implementation math	900	28.9k
1973F	Maximum GCD Sum Queries bitmasks brute force dp implementation number theory	3100	345
1971F	Circle Perimeter binary search brute force dfs and similar geometry implementation math	1600	12.7k
1967F	Next and Prev brute force data structures implementation	3200	104
1956D	Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	2000	4.9k
1956E1	Nene vs. Monsters (Easy Version) brute force implementation math	2500	1.7k
1956E2	Nene vs. Monsters (Hard Version) brute force greedy implementation math	2700	1.1k
1955E	Long Inversions brute force greedy implementation sortings	1700	10.8k
1955G	GCD on a grid brute force dfs and similar dp implementation math number theory	1900	6.1k
1952J	Help, what does it mean to be "Based" *special brute force constructive algorithms expression parsing implementation sortings	unrated	910
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
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
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
1946D	Birthday Gift bitmasks brute force constructive algorithms greedy implementation	1900	5.7k
1942F	Farmer John's Favorite Function brute force data structures implementation math	2700	1k
1933C	Turtle Fingers: Count the Values of k brute force implementation math number theory	1100	25.7k
1932C	LR-remainders brute force data structures implementation math two pointers	1400	19.3k
1926F	Vlad and Avoiding X bitmasks brute force dfs and similar dp implementation	2200	2.1k
1923F	Shrink-Reverse binary search brute force greedy hashing implementation string suffix structures strings	2800	544
1922D	Berserk Monsters brute force data structures dsu implementation math	1900	6.9k
1921F	Sum of Progression brute force data structures dp implementation math	1900	5.2k
1921G	Mischievous Shooter brute force data structures divide and conquer dp implementation	2200	1.5k
1920D	Array Repetition binary search brute force dsu implementation math	1900	6.7k
1917C	Watering an Array brute force greedy implementation math	1600	12.6k
1915B	Not Quite Latin Square bitmasks brute force implementation	800	51.3k
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
1904A	Forked! brute force implementation	900	43.8k
1899B	250 Thousand Tons of TNT brute force implementation number theory	1100	35.4k
1898A	Milica and String brute force implementation strings	800	17.6k
1895C	Torn Lucky Ticket brute force dp hashing implementation math	1400	13.3k
1893A	Anonymous Informant brute force dfs and similar graphs implementation	1400	15.3k
1893C	Freedom of Choice brute force greedy implementation	2000	3.3k
1891E	Brukhovich and Exams brute force greedy implementation math sortings	2500	1.1k
1889D	Game of Stacks brute force dfs and similar graphs implementation trees	3000	982
1881C	Perfect Square brute force implementation	1200	19.7k
1879E	Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees	2400	1.6k
1878G	wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	2300	1.5k
1874A	Jellyfish and Game brute force games greedy implementation	1200	19.6k
1873A	Short Sort brute force implementation	800	73.2k
1867D	Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	1800	6.9k
1850D	Balanced Round brute force greedy implementation sortings	900	64.7k
1850F	We Were Both Children brute force implementation math number theory	1300	25.4k
1848E	Vika and Stone Skipping brute force implementation math number theory	2600	981
1847E	Triangle Platinum? brute force combinatorics implementation interactive math probabilities	2900	398
1846B	Rudolph and Tic-Tac-Toe brute force implementation strings	800	29.1k
1846E1	Rudolf and Snowflakes (simple version) brute force implementation math	1300	26.7k
1846E2	Rudolf and Snowflakes (hard version) binary search brute force implementation math	1800	8.7k
1835A	k-th equality brute force implementation math	1700	8.8k
1834D	Survey in Class brute force data structures greedy implementation sortings	1900	5.6k
1829D	Gold Rush brute force dfs and similar dp implementation	1000	35k
1826A	Trust Nobody brute force greedy implementation sortings	1200	17.5k
1826E	Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	2400	2k
1822A	TubeTube Feed brute force implementation	800	26.2k
1821C	Tear It Apart brute force implementation math strings	1300	16.4k
1815B	Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees	2000	3.7k
1812B	Was it Rated? *special brute force implementation	unrated	6.1k
1808A	Lucky Numbers brute force implementation	900	21k
1808C	Unlucky Numbers brute force dp greedy implementation	1900	4.4k
1807F	Bouncy Ball brute force dfs and similar implementation	1700	7.4k
1807G1	Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings	1100	22.7k
1805F1	Survival of the Weakest (easy version) binary search brute force implementation math sortings	2600	1.4k
1804D	Accommodation brute force dp greedy implementation	2000	5.3k
1798B	Three Sevens brute force data structures greedy implementation	1000	19k
1797D	Li Hua and Tree brute force data structures dfs and similar dp implementation trees	1900	4.7k
1796A	Typical Interview Problem brute force implementation strings	800	19.7k
1795A	Two Towers brute force implementation strings	800	24.8k
1793F	Rebrending brute force data structures divide and conquer implementation	2600	1.7k
1790C	Premutation brute force implementation math	1000	27.1k
1789B	Serval and Inversion Magic brute force implementation strings two pointers	800	17.7k
1789D	Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation	2200	2k
1789E	Serval and Music Game brute force dp implementation math number theory	2500	1k
1789F	Serval and Brain Power bitmasks brute force dp greedy implementation strings	2700	1k
1788A	One and Two brute force implementation math	800	57k

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