Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
09:45:04
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Problems

#	Name
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27606
1593A	Elections math	800	x37002
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x22369
1585B	Array Eversion greedy	900	x15205
1585A	Life of a Flower implementation	800	x17893
1584C	Two Arrays greedy, math, sortings	900	x16479
1584B	Coloring Rectangles greedy, math	1000	x13403
1584A	Mathematical Addition math	800	x14936
1583A	Windblume Ode math, number theory	800	x13761
1582B	Luntik and Subsequences combinatorics, math	900	x20858
1582A	Luntik and Concerts math	800	x18596
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13485
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x21802
1579A	Casimir's String Solitaire math, strings	800	x39057
1574A	Regular Bracket Sequences constructive algorithms	800	x21933
1573A	Countdown greedy	800	x21203
1571A	Sequence of Comparisons *special problem	800	x1324
1569B	Chess Tournament constructive algorithms	1000	x18923
1569A	Balanced Substring implementation	800	x25609
1567B	MEXor Mixup bitmasks, greedy	1000	x23412
1567A	Domino Disaster implementation, strings	800	x30208
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17665
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19743
1566A	Median Maximization binary search, greedy, math	800	x23500
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19690
1562A	The Miracle and the Sleeper greedy, math	800	x25670
1561A	Simply Strange Sort brute force, implementation, sortings	800	x16609
1560C	Infinity Table implementation, math	800	x26702
1560B	Who's Opposite? math	800	x35877
1560A	Dislike of Threes implementation	800	x60745
1559B	Mocha and Red and Blue dp, greedy	900	x22646
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x31884
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27982
1556A	A Variety of Operations math	800	x18106
1555A	PizzaForces brute force, math	900	x28246
1554A	Cherry greedy	800	x29433
1553A	Digits Sum math, number theory	800	x31218
1552A	Subsequence Permutation sortings, strings	800	x23931
1551B1	Wonderful Coloring - 1 greedy, strings	800	x29566
1551A	Polycarp and Coins greedy, math	800	x51424
1550B	Maximum Cost Deletion greedy, math	1000	x26573
1550A	Find The Array greedy, math	800	x28216
1549B	Gregor and the Pawn Game dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation	800	x24541
1549A	Gregor and Cryptography math, number theory	800	x32709
1547B	Alphabetical Strings greedy, implementation, strings	800	x26478
1547A	Shortest Path with Obstacle implementation, math	800	x30561
1546A	AquaMoon and Two Arrays brute force, greedy	800	x18236
1543B	Customising the Track combinatorics, greedy, math	900	x23217
1543A	Exciting Bets greedy, math, number theory	900	x28671
1542A	Odd Set math	800	x45173
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29497
1539B	Love Song dp, implementation, strings	800	x24663
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20188
1538B	Friends and Candies greedy, math	800	x31766
1538A	Stone Game brute force, dp, greedy	800	x37109
1537B	Bad Boy constructive algorithms, greedy, math	900	x30385
1537A	Arithmetic Array greedy, math	800	x37505
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20225
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x30727
1535A	Fair Playoff brute force, implementation	800	x50140
1534A	Colour the Flag brute force, implementation	800	x12769
1530B	Putting Plates constructive algorithms, implementation	800	x15808
1530A	Binary Decimal greedy, math	800	x21123
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29833
1527A	And Then There Were K bitmasks	800	x35985
1526A	Mean Inequality constructive algorithms, sortings	800	x24239
1525B	Permutation Sort constructive algorithms, greedy	900	x24969
1525A	Potion-making math, number theory	800	x25655
1523A	Game of Life implementation	800	x13517
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x37512
1520C	Not Adjacent Matrix constructive algorithms	1000	x31954
1520B	Ordinary Numbers brute force, math, number theory	800	x44779
1520A	Do Not Be Distracted! brute force, implementation	800	x52175
1519B	The Cake Is a Lie dp, math	800	x31039
1519A	Red and Blue Beans math	800	x29004
1517A	Sum of 2050 greedy, math	800	x25610
1516A	Tit for Tat greedy	800	x23503
1515B	Phoenix and Puzzle brute force, geometry, math, number theory	1000	x25078
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20254
1514A	Perfectly Imperfect Array math, number theory	800	x24273
1513A	Array and Peaks constructive algorithms, implementation	800	x19437
1512B	Almost Rectangle implementation	800	x25468
1512A	Spy Detected! brute force, implementation	800	x65063
1511A	Review Site greedy	800	x27727
1509A	Average Height constructive algorithms	800	x26065
1506C	Double-ended Strings brute force, implementation, strings	1000	x25443
1506A	Strange Table math	800	x30742
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14584
1504A	Déjà Vu constructive algorithms, strings	800	x21774
1501B	Napoleon Cake dp, implementation, sortings	900	x19293
1501A	Alexey and Train implementation	800	x11634
1499B	Binary Removals brute force, dp, greedy, implementation	1000	x20837
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21300
1498A	GCD Sum brute force, math	800	x23339
1497A	Meximization brute force, data structures, greedy, sortings	800	x24541
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x21029
1494A	ABC String bitmasks, brute force, implementation	900	x20965
1493A	Anti-knapsack constructive algorithms, greedy	800	x19344
1492A	Three swimmers math	800	x22704
1491A	K-th Largest Value brute force, greedy, implementation	800	x18262