Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 942 (Div. 1)
03:50:09
Register now »

*has extra registration

Before contest
Codeforces Round 942 (Div. 2)
03:50:09
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

math

Add tag

Problems

#	Name
559A	Gerald's Hexagon brute force, geometry, math	1600	x10277
1857F	Sum and Product binary search, data structures, math	1600	x10352
1217B	Zmei Gorynich greedy, math	1600	x10899
1213D2	Equalizing by Division (hard version) brute force, math, sortings	1600	x11042
1294D	MEX maximizing data structures, greedy, implementation, math	1600	x11301
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11383
322B	Ciel and Flowers combinatorics, math	1600	x11485
1920C	Partitioning the Array brute force, math, number theory	1600	x11721
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x11798
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11824
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11859
1753B	Factorial Divisibility math, number theory	1600	x12010
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12227
348A	Mafia binary search, math, sortings	1600	x12593
735D	Taxes math, number theory	1600	x12621
1475E	Advertising Agency combinatorics, math, sortings	1600	x12845
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13053
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13090
1542C	Strange Function math, number theory	1600	x13493
1305C	Kuroni and Impossible Calculation brute force, combinatorics, math, number theory	1600	x13557
1342C	Yet Another Counting Problem math, number theory	1600	x13585
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14548
1165D	Almost All Divisors math, number theory	1600	x15124
1344A	Hilbert's Hotel math, number theory, sortings	1600	x15173
1349A	Orac and LCM data structures, math, number theory	1600	x15871
1458A	Row GCD math, number theory	1600	x15928
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16037
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16405
1358C	Celex Update math	1600	x17000
1B	Spreadsheet implementation, math	1600	x21666
1398C	Good Subarrays data structures, dp, math	1600	x24083
100I	Rotation *special problem, geometry, math	1500	x338
49B	Sum math	1500	x2382
362A	Two Semiknights Meet greedy, math	1500	x2629
1089G	Guest Student math	1500	x2850
417A	Elimination dp, implementation, math	1500	x2868
400C	Inna and Huge Candy Matrix implementation, math	1500	x2871
404B	Marathon implementation, math	1500	x2894
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3516
1250H	Happy Birthday math	1500	x3964
724B	Batch Sort brute force, greedy, implementation, math	1500	x3968
1250L	Divide The Students binary search, greedy, math	1500	x4016
520C	DNA Alignment math, strings	1500	x4084
884C	Bertown Subway dfs and similar, greedy, math	1500	x4611
809A	Do you want a date? implementation, math, sortings	1500	x4653
569A	Music implementation, math	1500	x4739
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4977
710C	Magic Odd Square constructive algorithms, math	1500	x4980
630K	Indivisibility math, number theory	1500	x5021
1776L	Controllers binary search, math	1500	x5154
87A	Trains implementation, math	1500	x5161
149C	Division into Teams greedy, math, sortings	1500	x5252
148B	Escape implementation, math	1500	x5255
1765K	Torus Path greedy, math	1500	x5363
354A	Vasya and Robot brute force, greedy, math	1500	x5386
676B	Pyramid of Glasses implementation, math, math	1500	x5456
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5546
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5549
1725G	Garage binary search, geometry, math	1500	x5580
864C	Bus greedy, implementation, math	1500	x5825
864D	Make a Permutation! greedy, implementation, math	1500	x5955
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6113
659D	Bicycle Race geometry, implementation, math	1500	x6140
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6148
609C	Load Balancing implementation, math	1500	x6296
166C	Median greedy, math, sortings	1500	x6339
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6558
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6663
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6812
1081C	Colorful Bricks combinatorics, dp, math	1500	x7040
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7077
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7140
1195D1	Submarine in the Rybinsk Sea (easy edition) combinatorics, math, number theory	1500	x7659
468A	24 Game constructive algorithms, greedy, math	1500	x7808
1010A	Fly binary search, math	1500	x7990
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8039
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8161
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8356
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8369
1062B	Math greedy, math, number theory	1500	x8392
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8621
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8702
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x8910
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9024
1482B	Restore Modulo implementation, math	1500	x9039
282C	XOR and OR constructive algorithms, implementation, math	1500	x9100
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9129
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9386
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9568
891A	Pride brute force, dp, greedy, math, number theory	1500	x9586
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9623
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9791
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9833
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9900
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10115
1744E1	Divisible Numbers (easy version) brute force, math, number theory	1500	x10177
1898B	Milena and Admirer greedy, math	1500	x10416
1738C	Even Number Addicts dp, games, greedy, math	1500	x10513
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10582
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10589