Problemset - Codeforces

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Refact.ai Match 1 (Codeforces Round 985)
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Problems

#	Name
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x23743
1674B	Dictionary combinatorics, math	800	x26481
1674A	Number Transformation constructive algorithms, math	800	x26350
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18467
1672B	I love AAAB constructive algorithms, implementation	800	x15875
1672A	Log Chopping games, implementation, math	800	x16103
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18580
1671A	String Building implementation	800	x20511
1670A	Prof. Slim greedy, implementation, sortings	800	x15455
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x35024
1669B	Triple implementation, sortings	800	x43765
1669A	Division? implementation	800	x64400
1668B	Social Distance greedy, math, sortings	900	x16748
1668A	Direction Change implementation, math	800	x16350
1666D	Deletive Editing greedy	900	x8791
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20721
1665A	GCD vs LCM constructive algorithms, math	800	x23701
1661A	Array Balancing greedy, math	800	x18402
1660B	Vlad and Candies math	800	x28160
1660A	Vasya and Coins greedy, math	800	x36178
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x19097
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18646
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20361
1657B	XY Sequence greedy	800	x22861
1657A	Integer Moves brute force, math	800	x24018
1656A	Good Pairs math, sortings	800	x19672
1654B	Prefix Removals strings	800	x15651
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18687
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19666
1651A	Playoff implementation	800	x25710
1650B	DIV + MOD math	900	x27786
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34828
1649A	Game implementation	800	x15549
1647A	Madoka and Math Dad implementation, math	800	x22809
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21193
1646A	Square Counting math	800	x24341
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20705
1644A	Doors and Keys implementation	800	x27405
1642B	Power Walking greedy	900	x17007
1642A	Hard Way geometry	800	x16227
1638A	Reverse constructive algorithms, greedy, math	800	x21502
1637A	Sorting Parts brute force, sortings	800	x22384
1635B	Avoid Local Maximums greedy	800	x17947
1635A	Min Or Sum bitmasks, greedy	800	x23004
1634C	OKEA constructive algorithms	1000	x18240
1634A	Reverse and Concatenate greedy, strings	800	x23932
1633B	Minority greedy	800	x27872
1633A	Div. 7 brute force	800	x33274
1632B	Roof Construction bitmasks, constructive algorithms	1000	x22579
1632A	ABC implementation	800	x29552
1631A	Min Max Swap greedy	800	x29382
1629B	GCD Arrays greedy, math, number theory	800	x23501
1629A	Download More RAM brute force, greedy, sortings	800	x29157
1627A	Not Shading constructive algorithms, implementation	800	x24048
1626A	Equidistant Letters constructive algorithms, sortings	800	x28896
1625A	Ancient Civilization bitmasks, greedy, math	800	x17277
1624B	Make AP implementation, math	900	x37262
1624A	Plus One on the Subset math	800	x52378
1623A	Robot Cleaner brute force, implementation, math	800	x20073
1622B	Berland Music data structures, greedy, math, sortings	1000	x21010
1622A	Construct a Rectangle geometry, math	800	x30192
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23861
1620B	Triangles on a Rectangle geometry, greedy, math	1000	x21460
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21628
1619B	Squares and Cubes implementation, math	800	x30970
1619A	Square String? implementation, strings	800	x52315
1618B	Missing Bigram implementation	800	x22682
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32384
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x23516
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16300
1616A	Integer Diversity implementation	800	x22819
1615A	Closing The Gap greedy, math	800	x20798
1614B	Divan and a New Project constructive algorithms, sortings	1000	x19538
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23488
1613B	Absent Remainder greedy, implementation, sortings	1000	x21758
1613A	Long Comparison implementation, math	900	x24647
1612B	Special Permutation constructive algorithms, greedy	900	x17271
1612A	Distance brute force, constructive algorithms	800	x17690
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x18442
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29760
1611A	Make Even constructive algorithms, math	800	x31556
1610A	Anti Light's Cell Guessing math	900	x16136
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x17156
1608A	Find Array constructive algorithms, math	800	x19120
1607C	Minimum Extraction brute force, sortings	1000	x25126
1607B	Odd Grasshopper math	900	x26702
1607A	Linear Keyboard implementation, strings	800	x37568
1606A	AB Balance strings	900	x25019
1605B	Reverse Sort greedy, sortings	1000	x18108
1605A	A.M. Deviation math, number theory	800	x20669
1604A	Era greedy	800	x21545
1602A	Two Subsequences implementation	800	x19031
1598B	Groups brute force, implementation	1000	x16130
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23477
1594A	Consecutive Sum Riddle math	800	x24797
1593C	Save More Mice binary search, greedy, greedy	1000	x24997
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27512
1593A	Elections math	800	x36939
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x22327
1585B	Array Eversion greedy	900	x15198