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
1345B	Card Constructions binary search, brute force, dp, math	1100	x25410
1355A	Sequence with Digits brute force, implementation, math	1200	x25396
1814A	Coins implementation, math	800	x25246
1312A	Two Regular Polygons geometry, greedy, math, number theory	800	x25224
450B	Jzzhu and Sequences implementation, math	1300	x25218
224A	Parallelepiped brute force, geometry, math	1100	x25196
1562A	The Miracle and the Sleeper greedy, math	800	x25152
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25121
1517A	Sum of 2050 greedy, math	800	x25054
1525A	Potion-making math, number theory	800	x25020
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x24948
1719A	Chip Game games, math	800	x24938
1304A	Two Rabbits math	800	x24909
515C	Drazil and Factorial greedy, math, sortings	1400	x24831
1741B	Funny Permutation constructive algorithms, math	800	x24686
598A	Tricky Sum math	900	x24674
352A	Jeff and Digits brute force, implementation, math	1000	x24517
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24503
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x24384
1901A	Line Trip greedy, math	800	x24383
1463A	Dungeon binary search, math	1100	x24364
1886A	Sum of Three brute force, constructive algorithms, math	800	x24358
1607B	Odd Grasshopper math	900	x24352
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24342
1471A	Strange Partition greedy, math, number theory	900	x24314
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24235
1840C	Ski Resort combinatorics, math, two pointers	1000	x24232
1180A	Alex and a Rhombus dp, implementation, math	800	x24053
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x24035
1391A	Suborrays constructive algorithms, math	800	x23969
1822B	Karina and Array greedy, math, sortings	800	x23963
1398C	Good Subarrays data structures, dp, math	1600	x23949
1917A	Least Product constructive algorithms, math	800	x23945
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x23932
1646A	Square Counting math	800	x23921
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x23902
1451A	Subtract or Divide greedy, math	800	x23883
1613A	Long Comparison implementation, math	900	x23880
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x23808
1345A	Puzzle Pieces math	800	x23786
507B	Amr and Pins geometry, math	1400	x23756
1514A	Perfectly Imperfect Array math, number theory	800	x23743
1594A	Consecutive Sum Riddle math	800	x23689
1657A	Integer Moves brute force, math	800	x23623
1699A	The Third Three Number Problem constructive algorithms, math	800	x23591
1883A	Morning math	800	x23563
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23462
1370C	Number Game games, math, number theory	1400	x23434
1326B	Maximums implementation, math	900	x23431
1213A	Chips Moving math	900	x23429
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23423
1206A	Choose Two Numbers math, sortings	800	x23405
1748A	The Ultimate Square math	800	x23400
1945A	Setting up Camp greedy, math	800	x23393
272A	Dima and Friends implementation, math	1000	x23391
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23388
1395A	Boboniu Likes to Color Balls brute force, math	1000	x23382
1420B	Rock and Lever bitmasks, math	1200	x23372
1881B	Three Threadlets math	900	x23365
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23341
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23308
1895A	Treasure Chest math	800	x23250
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23226
1102A	Integer Sequence Dividing math	800	x23215
1354A	Alarm Clock math	900	x23202
1238A	Prime Subtraction math, number theory	900	x23156
1715A	Crossmarket constructive algorithms, greedy, math	800	x23135
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23023
1861A	Prime Deletion constructive algorithms, math	800	x22976
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x22931
1856B	Good Arrays implementation, math	900	x22919
1629B	GCD Arrays greedy, math, number theory	800	x22911
1665A	GCD vs LCM constructive algorithms, math	800	x22876
1934A	Too Min Too Max greedy, math	800	x22831
1790C	Premutation brute force, implementation, math	1000	x22818
1828A	Divisible Array constructive algorithms, math	800	x22815
1420A	Cubes Sorting math, sortings	900	x22786
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x22685
1744B	Even-Odd Increments implementation, math	800	x22684
1566A	Median Maximization binary search, greedy, math	800	x22648
1543B	Customising the Track combinatorics, greedy, math	900	x22596
1334A	Level Statistics implementation, math	1200	x22594
1772C	Different Differences constructive algorithms, greedy, math	1000	x22583
1498A	GCD Sum brute force, math	800	x22567
1367C	Social Distance constructive algorithms, greedy, math	1300	x22544
1700A	Optimal Path constructive algorithms, greedy, math	800	x22514
1338A	Powered Addition greedy, math	1500	x22494
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x22435
651A	Joysticks dp, greedy, implementation, math	1100	x22430
1647A	Madoka and Math Dad implementation, math	800	x22422
1492A	Three swimmers math	800	x22379
1436A	Reorder math	800	x22363
1849B	Monsters greedy, math, sortings	1000	x22299
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22289
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22260
1466A	Bovine Dilemma brute force, geometry, math	800	x22244
1822C	Bun Lover math	800	x22197
1883C	Raspberries dp, math	1000	x22131
1731A	Joey Takes Money greedy, math	800	x22094
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22070