Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
22:58:47
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Before contest
Codeforces Round 941 (Div. 2)
22:58:48
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Problems

#	Name
1217B	Zmei Gorynich greedy, math	1600	x10897
371B	Fox Dividing Cheese math, number theory	1300	x10889
1037A	Packets constructive algorithms, greedy, math	1300	x10883
1133D	Zero Quantity Maximization hashing, math, number theory	1500	x10877
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x10843
1461C	Random Events dp, math, probabilities	1500	x10832
1400B	RPG Protagonist brute force, greedy, math	1700	x10825
1013A	Piles With Stones math	800	x10821
1216D	Swords math	1300	x10806
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x10790
1117A	Best Subsegment implementation, math	1100	x10748
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10728
1043A	Elections implementation, math	800	x10701
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10680
714A	Meeting of Old Friends implementation, math	1100	x10671
946B	Weird Subtraction Process math, number theory	1100	x10655
630J	Divisibility math, number theory	1100	x10655
1236B	Alice and the List of Presents combinatorics, math	1500	x10622
131C	The World is a Theatre combinatorics, math	1400	x10616
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10601
1023B	Pair of Toys math	1000	x10598
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10593
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10574
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10572
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10560
733B	Parade math	1100	x10554
669A	Little Artem and Presents math	800	x10528
1214B	Badges brute force, math	1100	x10508
1738C	Even Number Addicts dp, games, greedy, math	1500	x10499
990A	Commentary Boxes implementation, math	1000	x10435
1073B	Vasya and Books implementation, math	1000	x10401
1898B	Milena and Admirer greedy, math	1500	x10391
1857F	Sum and Product binary search, data structures, math	1600	x10336
1096B	Substring Removal combinatorics, math, strings	1300	x10325
1003C	Intense Heat brute force, implementation, math	1300	x10303
559A	Gerald's Hexagon brute force, geometry, math	1600	x10276
168A	Wizards and Demonstration implementation, math	900	x10276
1189C	Candies! data structures, dp, implementation, math	1400	x10261
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10250
980A	Links and Pearls implementation, math	900	x10244
1154C	Gourmet Cat implementation, math	1400	x10207
2B	The least round way dp, math	2000	x10202
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10178
1744E1	Divisible Numbers (easy version) brute force, math, number theory	1500	x10163
624A	Save Luke math	800	x10159
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10111
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10098
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10089
899A	Splitting in Teams constructive algorithms, greedy, math	800	x10073
304A	Pythagorean Theorem II brute force, math	1200	x10060
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10034
777A	Shell Game constructive algorithms, implementation, math	1000	x10032
1036A	Function Height math	1000	x10030
747A	Display Size brute force, math	800	x10028
1877C	Joyboard math, number theory	1200	x9994
1512E	Permutation by Sum brute force, greedy, math	1600	x9988
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9949
1143B	Nirvana brute force, math, number theory	1200	x9919
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9900
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9871
1366D	Two Divisors constructive algorithms, math, number theory	2000	x9862
336A	Vasily the Bear and Triangle implementation, math	1000	x9851
370A	Rook, Bishop and King graphs, math, shortest paths	1100	x9844
534B	Covered Path dp, greedy, math	1400	x9837
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9796
757B	Bash's Big Day greedy, math, number theory	1400	x9791
1400D	Zigzags brute force, combinatorics, data structures, math, two pointers	1900	x9777
1091C	New Year and the Sphere Transmission math, number theory	1400	x9774
630D	Hexagons! math	1100	x9773
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9765
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9750
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x9742
1796C	Maximum Set binary search, math	1600	x9724
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x9716
1822E	Making Anti-Palindromes greedy, math, strings	1600	x9647
194A	Exams implementation, math	900	x9617
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9614
1775C	Interesting Sequence bitmasks, math	1600	x9597
1200C	Round Corridor math, number theory	1400	x9585
891A	Pride brute force, dp, greedy, math, number theory	1500	x9583
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9532
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9512
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x9507
385B	Bear and Strings brute force, greedy, implementation, math, strings	1200	x9506
851A	Arpa and a research in Mexican wave implementation, math	800	x9494
493D	Vasya and Chess constructive algorithms, games, math	1700	x9493
1765E	Exchange brute force, math	1000	x9489
875A	Classroom Watch brute force, math	1200	x9487
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9479
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9478
1814B	Long Legs brute force, math	1700	x9476
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9467
1227A	Math Problem math	1100	x9463
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9381
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9374
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9361
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9346
965A	Paper Airplanes math	800	x9338
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9331
552A	Vanya and Table implementation, math	1000	x9327