Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
43:38:52
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Problems

#	Name
1638A	Reverse constructive algorithms, greedy, math	800	x21569
1637A	Sorting Parts brute force, sortings	800	x22475
1635B	Avoid Local Maximums greedy	800	x17988
1635A	Min Or Sum bitmasks, greedy	800	x23255
1634A	Reverse and Concatenate greedy, strings	800	x24009
1633B	Minority greedy	800	x27953
1633A	Div. 7 brute force	800	x33603
1632A	ABC implementation	800	x29686
1631A	Min Max Swap greedy	800	x29692
1629B	GCD Arrays greedy, math, number theory	800	x23628
1629A	Download More RAM brute force, greedy, sortings	800	x29446
1627A	Not Shading constructive algorithms, implementation	800	x24158
1626A	Equidistant Letters constructive algorithms, sortings	800	x29194
1625A	Ancient Civilization bitmasks, greedy, math	800	x17362
1624A	Plus One on the Subset math	800	x53018
1623A	Robot Cleaner brute force, implementation, math	800	x20140
1622A	Construct a Rectangle geometry, math	800	x30363
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23941
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21720
1619B	Squares and Cubes implementation, math	800	x31161
1619A	Square String? implementation, strings	800	x53193
1618B	Missing Bigram implementation	800	x22811
1618A	Polycarp and Sums of Subsequences math, sortings	800	x32588
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16346
1616A	Integer Diversity implementation	800	x22895
1615A	Closing The Gap greedy, math	800	x20879
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23569
1612A	Distance brute force, constructive algorithms	800	x17726
1611B	Team Composition: Programmers and Mathematicians binary search, constructive algorithms, math	800	x29984
1611A	Make Even constructive algorithms, math	800	x31685
1608A	Find Array constructive algorithms, math	800	x19177
1607A	Linear Keyboard implementation, strings	800	x37807
1605A	A.M. Deviation math, number theory	800	x20740
1604A	Era greedy	800	x21717
1602A	Two Subsequences implementation	800	x19096
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23659
1594A	Consecutive Sum Riddle math	800	x24963
1593A	Elections math	800	x37332
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x22509
1585A	Life of a Flower implementation	800	x17962
1584A	Mathematical Addition math	800	x14978
1583A	Windblume Ode math, number theory	800	x13802
1582A	Luntik and Concerts math	800	x18658
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13534
1579A	Casimir's String Solitaire math, strings	800	x39300
1574A	Regular Bracket Sequences constructive algorithms	800	x22007
1573A	Countdown greedy	800	x21253
1571A	Sequence of Comparisons *special problem	800	x1340
1569A	Balanced Substring implementation	800	x25651
1567A	Domino Disaster implementation, strings	800	x30274
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19864
1566A	Median Maximization binary search, greedy, math	800	x23659
1562A	The Miracle and the Sleeper greedy, math	800	x25728
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16625
1560C	Infinity Table implementation, math	800	x26785
1560B	Who's Opposite? math	800	x36098
1560A	Dislike of Threes implementation	800	x61683
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x28067
1556A	A Variety of Operations math	800	x18133
1554A	Cherry greedy	800	x29607
1553A	Digits Sum math, number theory	800	x31459
1552A	Subsequence Permutation sortings, strings	800	x24007
1551B1	Wonderful Coloring - 1 greedy, strings	800	x29758
1551A	Polycarp and Coins greedy, math	800	x51983
1550A	Find The Array greedy, math	800	x28333
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24702
1549A	Gregor and Cryptography math, number theory	800	x32928
1547B	Alphabetical Strings greedy, implementation, strings	800	x26601
1547A	Shortest Path with Obstacle implementation, math	800	x30843
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18297
1542A	Odd Set math	800	x45652
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29600
1539B	Love Song dp, implementation, strings	800	x24890
1538B	Friends and Candies greedy, math	800	x31882
1538A	Stone Game brute force, dp, greedy	800	x37326
1537A	Arithmetic Array greedy, math	800	x37770
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20259
1535A	Fair Playoff brute force, implementation	800	x50707
1534A	Colour the Flag brute force, implementation	800	x12795
1530B	Putting Plates constructive algorithms, implementation	800	x15830
1530A	Binary Decimal greedy, math	800	x21167
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29914
1527A	And Then There Were K bitmasks	800	x36308
1526A	Mean Inequality constructive algorithms, sortings	800	x24304
1525A	Potion-making math, number theory	800	x25717
1523A	Game of Life implementation	800	x13537
1520B	Ordinary Numbers brute force, math, number theory	800	x45110
1520A	Do Not Be Distracted! brute force, implementation	800	x52628
1519B	The Cake Is a Lie dp, math	800	x31178
1519A	Red and Blue Beans math	800	x29122
1517A	Sum of 2050 greedy, math	800	x25682
1516A	Tit for Tat greedy	800	x23637
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20319
1514A	Perfectly Imperfect Array math, number theory	800	x24338
1513A	Array and Peaks constructive algorithms, implementation	800	x19466
1512B	Almost Rectangle implementation	800	x25552
1512A	Spy Detected! brute force, implementation	800	x66116
1511A	Review Site greedy	800	x27796
1509A	Average Height constructive algorithms	800	x26110
1506A	Strange Table math	800	x30837