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Problemset

893 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1945B	Fireworks math number theory	900	26.5k
1945H	GCD is Greater brute force data structures math number theory	2600	971
1934E	Weird LCM Operations brute force constructive algorithms number theory	3000	379
1933B	Turtle Math: Fast Three Task implementation math number theory	800	37k
1933C	Turtle Fingers: Count the Values of k brute force implementation math number theory	1100	25.7k
1933D	Turtle Tenacity: Continual Mods constructive algorithms greedy math number theory sortings	1200	23.9k
1932B	Chaya Calendar number theory	1100	24k
1932E	Final Countdown implementation math number theory	1600	10.4k
1932G	Moving Platforms graphs math number theory shortest paths	2300	1.4k
1931D	Divisible Pairs combinatorics math number theory	1300	32.7k
1931G	One-Dimensional Puzzle combinatorics math number theory	2000	3.8k
1928C	Physical Education Lesson brute force math number theory	1600	10.5k
1928E	Modular Sequence brute force constructive algorithms dp graphs greedy math number theory	2300	2.3k
1926E	Vlad and an Odd Ordering binary search bitmasks data structures dp implementation math number theory	1500	15.2k
1925B	A Balanced Problemset? brute force greedy math number theory	1200	23.5k
1920C	Partitioning the Array brute force math number theory	1600	20.9k
1917D	Yet Another Inversions Problem combinatorics data structures dp implementation math number theory	2300	2.1k
1916A	2023 constructive algorithms implementation math number theory	800	28.5k
1916B	Two Divisors constructive algorithms math number theory	1000	32.8k
1916G	Optimizations From Chelsu divide and conquer dp number theory trees	3500	239
1909B	Make Almost Equal With Mod bitmasks constructive algorithms math number theory	1200	33.4k
1909D	Split Plus K greedy math number theory	1900	5.2k
1909E	Multiple Lamps bitmasks brute force constructive algorithms math number theory	2400	1.7k
1907E	Good Triples brute force combinatorics number theory	1600	16.7k
1906G	Grid Game 2 games number theory	2900	430
1902C	Insert and Equalize brute force constructive algorithms greedy math number theory	1300	17.5k
1900D	Small GCD bitmasks brute force dp math number theory	2000	5.6k
1899A	Game with Integers games math number theory	800	100.1k
1899B	250 Thousand Tons of TNT brute force implementation number theory	1100	35.5k
1899D	Yarik and Musical Notes hashing math number theory	1300	15.9k
1896H1	Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory	3400	181
1896H2	Cyclic Hamming (Hard Version) brute force dp fft math number theory	3500	164
1884D	Counting Rhyme dp math number theory	2100	4.3k
1882E1	Two Permutations (Easy Version) brute force constructive algorithms greedy number theory	2400	1.3k
1881D	Divide and Equalize math number theory	1300	30.3k
1879F	Last Man Standing brute force data structures number theory	2800	654
1878F	Vasilije Loves Number Theory brute force math number theory	1900	5k
1877C	Joyboard math number theory	1200	13.1k
1876B	Effects of Anti Pimples combinatorics number theory sortings	1500	10.3k
1875C	Jellyfish and Green Apple bitmasks greedy math number theory	1400	14.1k
1872C	Non-coprime Split math number theory	1100	26.8k
1866B	Battling with Numbers combinatorics math number theory	1400	9.4k
1864C	Divisor Chain bitmasks constructive algorithms math number theory	1300	15.5k
1859A	United We Stand constructive algorithms math number theory	800	58.5k
1858B	The Walkway brute force dp greedy math number theory	1500	13.2k
1858C	Yet Another Permutation Problem constructive algorithms greedy math number theory	1000	25.8k
1855B	Longest Divisors Interval brute force combinatorics greedy math number theory	900	48.2k
1852A	Ntarsis' Set binary search math number theory	1800	9.4k
1850F	We Were Both Children brute force implementation math number theory	1300	25.4k
1848C	Vika and Price Tags math number theory	1800	7.3k
1848E	Vika and Stone Skipping brute force implementation math number theory	2600	981
1845A	Forbidden Integer constructive algorithms implementation math number theory	800	51.2k
1845F	Swimmers in the Pool dp fft math number theory	2800	475
1844D	Row Major constructive algorithms greedy math number theory strings	1400	14k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1838C	No Prime Differences constructive algorithms math number theory	1400	17.6k
1835D	Doctor's Brown Hypothesis dfs and similar graphs math number theory	2900	707
1834E	MEX of LCM binary search data structures implementation math number theory	2300	2.9k
1830C	Hyperregular Bracket Strings combinatorics greedy hashing math number theory sortings	2400	2.3k
1828B	Permutation Swap math number theory	900	42.1k
1826B	Lunatic Never Content math number theory	1100	30k
1826C	Dreaming of Freedom greedy math number theory	1300	15.9k
1823C	Strongly Composite greedy math number theory	1300	14k
1822G1	Magic Triples (Easy Version) brute force data structures math number theory	1700	9.9k
1822G2	Magic Triples (Hard Version) brute force data structures math number theory	2200	3.1k
1816A	Ian Visits Mary constructive algorithms geometry number theory	800	19k
1815E	Bosco and Particle dp math number theory strings	3100	466
1812D	Trivial Conjecture *special constructive algorithms math number theory	unrated	5k
1812F	Factorization *special number theory	unrated	1.3k
1811E	Living Sequence binary search dp math number theory	1500	14.6k
1810B	Candies constructive algorithms math number theory	800	19k
1806F1	GCD Master (easy version) greedy math number theory sortings	2900	484
1804C	Pull Your Luck brute force greedy math number theory	1500	14k
1801F	Another n-dimensional chocolate bar dp math meet-in-the-middle number theory	2700	758
1798C	Candy Store greedy math number theory	1700	9.6k
1798F	Gifts from Grandfather Ahmed dp math number theory	2500	688
1797E	Li Hua and Array brute force data structures dsu math number theory two pointers	2300	1.7k
1796F	Strange Triples brute force math number theory	2900	257
1794D	Counting Factorizations combinatorics divide and conquer dp math number theory	1900	4.6k
1792E	Divisors and Table brute force dfs and similar dp number theory	2400	1.6k
1789A	Serval and Mocha's Array brute force math number theory	800	36.2k
1789E	Serval and Music Game brute force dp implementation math number theory	2500	1k
1787B	Number Factorization greedy math number theory	1100	15.2k
1783E	Game of the Year brute force data structures math number theory	2300	2.5k
1781D	Many Perfect Squares brute force math number theory	1800	6.4k
1780B	GCD Partition brute force greedy math number theory	1100	27.4k
1780E	Josuke and Complete Graph binary search brute force data structures math number theory	2400	1.8k
1780F	Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings	2300	2k
1780G	Delicious Dessert binary search dsu hashing math number theory string suffix structures	2400	1k
1778F	Maximizing Root dfs and similar dp graphs math number theory trees	2600	964
1777C	Quiz Master binary search math number theory sortings two pointers	1700	12.9k
1775D	Friendly Spiders dfs and similar graphs math number theory shortest paths	1800	8.9k
1771C	Hossam and Trainees greedy math number theory	1600	12k
1770C	Koxia and Number Theory brute force chinese remainder theorem math number theory	1700	9.8k
1770F	Koxia and Sequence bitmasks combinatorics dp math number theory	3100	1k
1768A	Greatest Convex greedy math number theory	800	31.2k
1768E	Partial Sorting combinatorics math number theory	2300	2.4k
1766D	Lucky Chains math number theory	1600	10.9k
1765M	Minimum LCM math number theory	1000	34.6k
1764B	Doremy's Perfect Math Class math number theory	900	18.1k

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