Problemset - Codeforces

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Educational Codeforces Round 168 (Rated for Div. 2)
26:17:24
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Problems

#	Name
1686B	Odd Subarrays dp, greedy	800	x18108
1686A	Everything Everywhere All But One greedy	800	x20317
1684B	Z mod X = C constructive algorithms, math	800	x20850
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23700
1682A	Palindromic Indices greedy, strings	800	x19169
1681B	Card Trick implementation, math	800	x19977
1681A	Game with Cards games, greedy	800	x20870
1680B	Robots implementation	800	x18172
1680A	Minimums and Maximums brute force, math	800	x21411
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15820
1678A	Tokitsukaze and All Zero Sequence implementation	800	x18047
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x29536
1676B	Equal Candies greedy, math, sortings	800	x46890
1676A	Lucky? implementation	800	x61165
1675A	Food for Animals greedy, math	800	x32465
1674B	Dictionary combinatorics, math	800	x26032
1674A	Number Transformation constructive algorithms, math	800	x26043
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18357
1672B	I love AAAB constructive algorithms, implementation	800	x15725
1672A	Log Chopping games, implementation, math	800	x15983
1671A	String Building implementation	800	x20335
1670A	Prof. Slim greedy, implementation, sortings	800	x15353
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x33845
1669B	Triple implementation, sortings	800	x41698
1669A	Division? implementation	800	x60231
1668A	Direction Change implementation, math	800	x16237
1665A	GCD vs LCM constructive algorithms, math	800	x23267
1661A	Array Balancing greedy, math	800	x18283
1660B	Vlad and Candies math	800	x27870
1660A	Vasya and Coins greedy, math	800	x35598
1658B	Marin and Anti-coprime Permutation combinatorics, math, number theory	800	x18500
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20233
1657B	XY Sequence greedy	800	x22718
1657A	Integer Moves brute force, math	800	x23879
1656A	Good Pairs math, sortings	800	x19507
1654B	Prefix Removals strings	800	x15554
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18527
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19464
1651A	Playoff implementation	800	x25536
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x34374
1649A	Game implementation	800	x15460
1647A	Madoka and Math Dad implementation, math	800	x22655
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21035
1646A	Square Counting math	800	x24137
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20586
1644A	Doors and Keys implementation	800	x27163
1642A	Hard Way geometry	800	x16106
1638A	Reverse constructive algorithms, greedy, math	800	x21369
1637A	Sorting Parts brute force, sortings	800	x22199
1635B	Avoid Local Maximums greedy	800	x17883
1635A	Min Or Sum bitmasks, greedy	800	x22650
1634A	Reverse and Concatenate greedy, strings	800	x23778
1633B	Minority greedy	800	x27574
1633A	Div. 7 brute force	800	x32583
1632A	ABC implementation	800	x29228
1631A	Min Max Swap greedy	800	x28898
1629B	GCD Arrays greedy, math, number theory	800	x23210
1629A	Download More RAM brute force, greedy, sortings	800	x28810
1627A	Not Shading constructive algorithms, implementation	800	x23921
1626A	Equidistant Letters constructive algorithms, sortings	800	x28595
1625A	Ancient Civilization bitmasks, greedy, math	800	x17102
1624A	Plus One on the Subset math	800	x50966
1623A	Robot Cleaner brute force, implementation, math	800	x19980
1622A	Construct a Rectangle geometry, math	800	x29798
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23680
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21428
1619B	Squares and Cubes implementation, math	800	x30519
1619A	Square String? implementation, strings	800	x50116
1618B	Missing Bigram implementation	800	x22476
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32024
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16198
1616A	Integer Diversity implementation	800	x22571
1615A	Closing The Gap greedy, math	800	x20645
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23162
1612A	Distance brute force, constructive algorithms	800	x17588
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29125
1611A	Make Even constructive algorithms, math	800	x31131
1608A	Find Array constructive algorithms, math	800	x18944
1607A	Linear Keyboard implementation, strings	800	x36701
1605A	A.M. Deviation math, number theory	800	x20505
1604A	Era greedy	800	x21315
1602A	Two Subsequences implementation	800	x18889
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23070
1594A	Consecutive Sum Riddle math	800	x24189
1593A	Elections math	800	x36226
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21903
1585A	Life of a Flower implementation	800	x17647
1584A	Mathematical Addition math	800	x14801
1583A	Windblume Ode math, number theory	800	x13668
1582A	Luntik and Concerts math	800	x18402
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13348
1579A	Casimir's String Solitaire math, strings	800	x38391
1574A	Regular Bracket Sequences constructive algorithms	800	x21633
1573A	Countdown greedy	800	x21051
1571A	Sequence of Comparisons *special problem	800	x1274
1569A	Balanced Substring implementation	800	x25416
1567A	Domino Disaster implementation, strings	800	x29897
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19384
1566A	Median Maximization binary search, greedy, math	800	x23015
1562A	The Miracle and the Sleeper greedy, math	800	x25379