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Problemset

3,040 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1915B	Not Quite Latin Square bitmasks brute force implementation	800	51.3k
1915C	Can I Square? binary search implementation	800	55.6k
1915D	Unnatural Language Processing greedy implementation strings	900	35.6k
1915G	Bicycles graphs greedy implementation shortest paths sortings	1800	10.3k
1914A	Problemsolving Log implementation strings	800	35.5k
1914D	Three Activities brute force dp greedy implementation sortings	1200	40.7k
1913A	Rating Increase implementation	800	27.5k
1912A	Accumulator Apex data structures implementation sortings	1900	3.1k
1912E	Evaluate It and Back Again constructive algorithms implementation math	2200	1.3k
1910A	Username *special implementation	1100	2k
1910C	Poisonous Swamp *special implementation	1600	745
1909A	Distinct Buttons implementation math	800	19.1k
1907A	Rook implementation	800	42.2k
1907B	YetnotherrokenKeoard data structures implementation strings	1000	31k
1907G	Lights brute force constructive algorithms dfs and similar graphs greedy implementation	2200	2.4k
1905D	Cyclic MEX data structures implementation math two pointers	2000	4.8k
1904A	Forked! brute force implementation	900	43.8k
1904D2	Set To Max (Hard Version) constructive algorithms data structures divide and conquer greedy implementation sortings	1800	5.8k
1904E	Tree Queries data structures dfs and similar graphs implementation trees	2500	1.4k
1904F	Beautiful Tree data structures dfs and similar graphs implementation trees	2800	581
1902D	Robot Queries binary search data structures dp implementation	1900	5.4k
1902F	Trees and XOR Queries Again data structures dfs and similar divide and conquer graphs implementation math trees	2400	1.5k
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
1900E	Transitive Graph dfs and similar dp dsu graphs implementation	2100	2.7k
1900F	Local Deletions binary search data structures implementation	2800	370
1899B	250 Thousand Tons of TNT brute force implementation number theory	1100	35.4k
1899E	Queue Sort greedy implementation sortings	1300	18.6k
1898A	Milica and String brute force implementation strings	800	17.6k
1896F	Bracket Xoring constructive algorithms greedy implementation math	2600	1k
1896G	Pepe Racing constructive algorithms implementation interactive sortings	3200	451
1895C	Torn Lucky Ticket brute force dp hashing implementation math	1400	13.3k
1894A	Secret Sport implementation strings	800	20.5k
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
1890B	Qingshan Loves Strings constructive algorithms implementation	800	18.8k
1889A	Qingshan Loves Strings 2 constructive algorithms greedy implementation	1300	15.5k
1889D	Game of Stacks brute force dfs and similar graphs implementation trees	3000	982
1886C	Decreasing String implementation strings	1600	17.4k
1884E	Hard Design greedy implementation math	2800	440
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
1873C	Target Practice implementation math	800	74.6k
1873D	1D Eraser greedy implementation two pointers	800	44.1k
1872B	The Corridor or There and Back Again greedy implementation	900	30.7k
1872F	Selling a Menagerie dfs and similar dsu graphs implementation math	1800	7.7k
1870C	Colorful Table binary search data structures dp implementation math two pointers	1300	13.3k
1870D	Prefix Purchase greedy implementation sortings	1800	8.1k
1868A	Fill in the Matrix constructive algorithms implementation	1300	13.7k
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
1868C	Travel Plan combinatorics dp implementation math trees	2400	1.4k
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
1866K	Keen Tree Calculation binary search data structures dp geometry graphs implementation trees	2500	585
1864A	Increasing and Decreasing constructive algorithms greedy implementation math	800	21.5k
1864F	Exotic Queries data structures implementation sortings	2300	1.7k
1864G	Magic Square combinatorics constructive algorithms implementation	3100	358
1863A	Channel greedy implementation	800	18.9k
1863C	MEX Repetition implementation math	1100	15.7k
1862A	Gift Carpet dp greedy implementation strings	800	36.6k
1862C	Flower City Fence binary search data structures implementation sortings	1100	23.3k
1861C	Queries for the Array data structures dfs and similar implementation strings trees	1600	12.5k
1861E	Non-Intersecting Subpermutations combinatorics dp implementation math	2300	2.1k
1860F	Evaluate RBS data structures geometry implementation math sortings	2900	350
1857B	Maximum Rounding greedy implementation math	1100	24.9k
1856A	Tales of a Sort implementation	800	28.3k
1856B	Good Arrays implementation math	900	27.8k
1856E2	PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees	2700	1.8k
1851D	Prefix Permutation Sums implementation math	1300	17.5k
1851G	Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers	2000	4.2k
1850A	To My Critics implementation sortings	800	75.9k
1850B	Ten Words of Wisdom implementation sortings	800	51.2k
1850C	Word on the Paper implementation strings	800	54.6k
1850D	Balanced Round brute force greedy implementation sortings	900	64.7k
1850E	Cardboard for Pictures binary search geometry implementation math	1100	37.1k
1850F	We Were Both Children brute force implementation math number theory	1300	25.4k
1850G	The Morning Star combinatorics data structures geometry implementation math sortings	1500	15.8k
1850H	The Third Letter dfs and similar dsu graphs greedy implementation	1700	10.2k
1849A	Morning Sandwich implementation math	800	32.4k
1848B	Vika and the Bridge binary search data structures greedy implementation math sortings	1200	26.1k
1848E	Vika and Stone Skipping brute force implementation math number theory	2600	981
1847D	Professor Higashikata data structures dsu greedy implementation strings	1900	4.3k
1847E	Triangle Platinum? brute force combinatorics implementation interactive math probabilities	2900	398
1846A	Rudolph and Cut the Rope implementation math	800	35k
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
1846F	Rudolph and Mimic constructive algorithms implementation interactive	1800	3.8k
1845A	Forbidden Integer constructive algorithms implementation math number theory	800	51.1k
1845B	Come Together geometry implementation math	900	24k
1845E	Boxes and Balls dp implementation math	2500	1.7k
1844C	Particles dp greedy implementation math	1300	18.1k
1844G	Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees	3000	1.2k
1841B	Keep it Beautiful implementation	1000	24.4k

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