Problemset - Codeforces

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Before contest
Codeforces Round 975 (Div. 1)
3 days

Before contest
Codeforces Round 975 (Div. 2)
3 days

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Difficulty: —

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Problems

#	Name
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15912
1678A	Tokitsukaze and All Zero Sequence implementation	800	x18138
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30052
1676B	Equal Candies greedy, math, sortings	800	x48141
1676A	Lucky? implementation	800	x63147
1675B	Make It Increasing greedy, implementation	900	x26895
1675A	Food for Animals greedy, math	800	x32896
1674B	Dictionary combinatorics, math	800	x26238
1674A	Number Transformation constructive algorithms, math	800	x26235
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18425
1672B	I love AAAB constructive algorithms, implementation	800	x15791
1672A	Log Chopping games, implementation, math	800	x16057
1671A	String Building implementation	800	x20438
1670A	Prof. Slim greedy, implementation, sortings	800	x15405
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x34518
1669B	Triple implementation, sortings	800	x42949
1669A	Division? implementation	800	x62472
1668B	Social Distance greedy, math, sortings	900	x16623
1668A	Direction Change implementation, math	800	x16293
1666D	Deletive Editing greedy	900	x8417
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20290
1665A	GCD vs LCM constructive algorithms, math	800	x23542
1661A	Array Balancing greedy, math	800	x18352
1660B	Vlad and Candies math	800	x28058
1660A	Vasya and Coins greedy, math	800	x35913
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18571
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20306
1657B	XY Sequence greedy	800	x22776
1657A	Integer Moves brute force, math	800	x23960
1656A	Good Pairs math, sortings	800	x19576
1654B	Prefix Removals strings	800	x15610
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18637
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19518
1651A	Playoff implementation	800	x25655
1650B	DIV + MOD math	900	x27613
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34655
1649A	Game implementation	800	x15516
1647A	Madoka and Math Dad implementation, math	800	x22736
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21138
1646A	Square Counting math	800	x24261
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20659
1644A	Doors and Keys implementation	800	x27325
1642B	Power Walking greedy	900	x16920
1642A	Hard Way geometry	800	x16167
1638A	Reverse constructive algorithms, greedy, math	800	x21448
1637A	Sorting Parts brute force, sortings	800	x22290
1635B	Avoid Local Maximums greedy	800	x17926
1635A	Min Or Sum bitmasks, greedy	800	x22858
1634A	Reverse and Concatenate greedy, strings	800	x23869
1633B	Minority greedy	800	x27721
1633A	Div. 7 brute force	800	x32954
1632A	ABC implementation	800	x29439
1631A	Min Max Swap greedy	800	x29053
1629B	GCD Arrays greedy, math, number theory	800	x23375
1629A	Download More RAM brute force, greedy, sortings	800	x28974
1627A	Not Shading constructive algorithms, implementation	800	x23999
1626A	Equidistant Letters constructive algorithms, sortings	800	x28741
1625A	Ancient Civilization bitmasks, greedy, math	800	x17201
1624B	Make AP implementation, math	900	x36557
1624A	Plus One on the Subset math	800	x51697
1623A	Robot Cleaner brute force, implementation, math	800	x20023
1622A	Construct a Rectangle geometry, math	800	x29996
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23772
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21558
1619B	Squares and Cubes implementation, math	800	x30707
1619A	Square String? implementation, strings	800	x51300
1618B	Missing Bigram implementation	800	x22597
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32240
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x23291
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16266
1616A	Integer Diversity implementation	800	x22682
1615A	Closing The Gap greedy, math	800	x20732
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23239
1613A	Long Comparison implementation, math	900	x24458
1612B	Special Permutation constructive algorithms, greedy	900	x17177
1612A	Distance brute force, constructive algorithms	800	x17645
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29451
1611A	Make Even constructive algorithms, math	800	x31377
1610A	Anti Light's Cell Guessing math	900	x16076
1609A	Divide and Multiply greedy, implementation, math, number theory	900	x17075
1608A	Find Array constructive algorithms, math	800	x19036
1607B	Odd Grasshopper math	900	x26212
1607A	Linear Keyboard implementation, strings	800	x37311
1606A	AB Balance strings	900	x24526
1605A	A.M. Deviation math, number theory	800	x20593
1604A	Era greedy	800	x21437
1602A	Two Subsequences implementation	800	x18964
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23262
1594A	Consecutive Sum Riddle math	800	x24426
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27002
1593A	Elections math	800	x36633
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x22123
1585B	Array Eversion greedy	900	x15086
1585A	Life of a Flower implementation	800	x17741
1584C	Two Arrays greedy, math, sortings	900	x16327
1584A	Mathematical Addition math	800	x14887
1583A	Windblume Ode math, number theory	800	x13723
1582B	Luntik and Subsequences combinatorics, math	900	x20340
1582A	Luntik and Concerts math	800	x18498
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13412