Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
5 days

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Difficulty: —

math

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Problems

#	Name
559A	Gerald's Hexagon brute force, geometry, math	1600	x10269
1857F	Sum and Product binary search, data structures, math	1600	x10275
1217B	Zmei Gorynich greedy, math	1600	x10881
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11000
1294D	MEX maximizing data structures, greedy, implementation, math	1600	x11258
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11355
322B	Ciel and Flowers combinatorics, math	1600	x11444
1920C	Partitioning the Array brute force, math, number theory	1600	x11559
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x11718
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11790
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11834
1753B	Factorial Divisibility math, number theory	1600	x11933
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12185
348A	Mafia binary search, math, sortings	1600	x12556
735D	Taxes math, number theory	1600	x12590
1475E	Advertising Agency combinatorics, math, sortings	1600	x12798
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13019
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13046
1542C	Strange Function math, number theory	1600	x13441
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x13452
1342C	Yet Another Counting Problem math, number theory	1600	x13568
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14491
1165D	Almost All Divisors math, number theory	1600	x14941
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15161
1349A	Orac and LCM data structures, math, number theory	1600	x15807
1458A	Row GCD math, number theory	1600	x15841
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16000
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16353
1358C	Celex Update math	1600	x16962
1B	Spreadsheet implementation, math	1600	x21590
1398C	Good Subarrays data structures, dp, math	1600	x23950
100I	Rotation *special problem, geometry, math	1500	x337
49B	Sum math	1500	x2375
362A	Two Semiknights Meet greedy, math	1500	x2627
1089G	Guest Student math	1500	x2847
417A	Elimination dp, implementation, math	1500	x2861
400C	Inna and Huge Candy Matrix implementation, math	1500	x2862
404B	Marathon implementation, math	1500	x2892
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3509
724B	Batch Sort brute force, greedy, implementation, math	1500	x3952
1250H	Happy Birthday math	1500	x3958
1250L	Divide The Students binary search, greedy, math	1500	x4014
520C	DNA Alignment math, strings	1500	x4076
884C	Bertown Subway dfs and similar, greedy, math	1500	x4603
809A	Do you want a date? implementation, math, sortings	1500	x4639
569A	Music implementation, math	1500	x4738
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4965
710C	Magic Odd Square constructive algorithms, math	1500	x4972
630K	Indivisibility math, number theory	1500	x5008
1776L	Controllers binary search, math	1500	x5080
87A	Trains implementation, math	1500	x5142
148B	Escape implementation, math	1500	x5234
149C	Division into Teams greedy, math, sortings	1500	x5245
1765K	Torus Path greedy, math	1500	x5332
354A	Vasya and Robot brute force, greedy, math	1500	x5381
676B	Pyramid of Glasses implementation, math, math	1500	x5453
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5527
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5534
1725G	Garage binary search, geometry, math	1500	x5561
864C	Bus greedy, implementation, math	1500	x5822
864D	Make a Permutation! greedy, implementation, math	1500	x5951
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6097
659D	Bicycle Race geometry, implementation, math	1500	x6128
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6145
609C	Load Balancing implementation, math	1500	x6276
166C	Median greedy, math, sortings	1500	x6324
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6553
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6655
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6710
1081C	Colorful Bricks combinatorics, dp, math	1500	x6938
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7069
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7129
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7653
468A	24 Game constructive algorithms, greedy, math	1500	x7741
1010A	Fly binary search, math	1500	x7985
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x7992
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8142
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8315
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8355
1062B	Math greedy, math, number theory	1500	x8378
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8604
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8692
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x8901
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9012
1482B	Restore Modulo implementation, math	1500	x9028
282C	XOR and OR constructive algorithms, implementation, math	1500	x9073
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9115
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9342
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9369
891A	Pride brute force, dp, greedy, math, number theory	1500	x9540
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9556
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9603
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9680
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9881
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10099
1744E1	Divisible Numbers (easy version) brute force, math, number theory	1500	x10100
1898B	Milena and Admirer greedy, math	1500	x10277
1738C	Even Number Addicts dp, games, greedy, math	1500	x10427
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10508
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10559