Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
08:19:31
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Problems

#	Name
1607C	Minimum Extraction brute force, sortings	1000	x25145
1607B	Odd Grasshopper math	900	x26772
1607A	Linear Keyboard implementation, strings	800	x37616
1606B	Update Files greedy, implementation, math	1100	x18718
1606A	AB Balance strings	900	x25105
1605B	Reverse Sort greedy, sortings	1000	x18123
1605A	A.M. Deviation math, number theory	800	x20679
1604B	XOR Specia-LIS-t	1100	x15688
1604A	Era greedy	800	x21562
1602B	Divine Array constructive algorithms, implementation	1100	x14147
1602A	Two Subsequences implementation	800	x19047
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x21068
1598B	Groups brute force, implementation	1000	x16136
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x23523
1594C	Make Them Equal brute force, greedy, math, strings	1200	x19823
1594B	Special Numbers bitmasks, math	1100	x20061
1594A	Consecutive Sum Riddle math	800	x24819
1593D1	All are Same math, number theory	1100	x20288
1593C	Save More Mice binary search, greedy, greedy	1000	x25027
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x27606
1593A	Elections math	800	x37003
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x16055
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
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x12345
1583A	Windblume Ode math, number theory	800	x13761
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x15903
1582B	Luntik and Subsequences combinatorics, math	900	x20858
1582A	Luntik and Concerts math	800	x18596
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11460
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13485
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x21802
1579B	Shifting Sort implementation, sortings	1100	x18208
1579A	Casimir's String Solitaire math, strings	800	x39058
1578E	Easy Scheduling implementation, math	1200	x3847
1575A	Another Sorting Problem data structures, sortings, strings	1100	x4604
1574B	Combinatorics Homework combinatorics, greedy, math	1100	x17354
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
1566D1	Seating Arrangements (easy version) data structures, greedy, sortings	1100	x14044
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
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x20621
1559B	Mocha and Red and Blue dp, greedy	900	x22646
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x31885
1557B	Moamen and k-subarrays greedy, sortings	1100	x23525
1557A	Ezzat and Two Subsequences brute force, math, sortings	800	x27983
1556A	A Variety of Operations math	800	x18106
1555A	PizzaForces brute force, math	900	x28247
1554A	Cherry greedy	800	x29434
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x18010
1553A	Digits Sum math, number theory	800	x31219
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	x32710
1547C	Pair Programming greedy, two pointers	1100	x22791
1547B	Alphabetical Strings greedy, implementation, strings	800	x26478
1547A	Shortest Path with Obstacle implementation, math	800	x30561
1546B	AquaMoon and Stolen String interactive, math	1200	x13189
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	x28672
1542A	Odd Set math	800	x45173
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x28938
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29497
1539C	Stable Groups greedy, sortings	1200	x23238
1539B	Love Song dp, implementation, strings	800	x24664
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20189
1538B	Friends and Candies greedy, math	800	x31767
1538A	Stone Game brute force, dp, greedy	800	x37109
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x27845
1537B	Bad Boy constructive algorithms, greedy, math	900	x30385
1537A	Arithmetic Array greedy, math	800	x37505
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x19004
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	x50141
1534B	Histogram Ugliness greedy, implementation, math	1100	x12528
1534A	Colour the Flag brute force, implementation	800	x12769
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14708