Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
17:05:31
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Problems

#	Name
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x14034
1644D	Cross Coloring data structures, implementation, math	1700	x7214
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13715
1638C	Inversion Graph data structures, dsu, graphs, math	1300	x14647
1634B	Fortune Telling bitmasks, math	1400	x16510
1633D	Make Them Equal dp, greedy	1600	x13971
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12690
1630A	And Matching bitmasks, constructive algorithms	1500	x14495
1628B	Peculiar Movie Preferences greedy, strings	1700	x11568
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15571
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14456
1627B	Not Sitting games, greedy, sortings	1300	x16602
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10888
1625C	Road Optimization dp	1700	x10581
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16929
1623C	Balanced Stone Heaps binary search, greedy	1600	x12074
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x13026
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6877
1621B	Integers Shop data structures, greedy, implementation	1500	x13378
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x9138
1618E	Singers' Tour constructive algorithms, math	1700	x7147
1618D	Array and Operations dp, greedy, math	1300	x18860
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14949
1616C	Representative Edges brute force, geometry, implementation, math	1500	x12200
1615C	Menorah brute force, graphs, greedy, math	1600	x8353
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15864
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10218
1612D	X-Magic Pair math, number theory	1600	x9108
1612C	Chat Ban binary search, math	1300	x17198
1611E1	Escape The Maze (easy version) dfs and similar, greedy, shortest paths, trees, two pointers	1700	x7246
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9822
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x11500
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7275
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9708
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6623
1607E	Robot on the Board 1 implementation	1600	x9291
1607D	Blue-Red Permutation greedy, math, sortings	1300	x16801
1606C	Banknotes greedy, number theory	1400	x14110
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16901
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13496
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16591
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14500
1600J	Robot Factory bitmasks, dfs and similar	1400	x3888
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8629
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x11069
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7459
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12326
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7935
1585C	Minimize Distance greedy	1300	x11969
1583C	Omkar and Determination data structures, dp	1700	x6924
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10469
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3645
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4760
1579E2	Array Optimization by Deque data structures, greedy	1700	x6625
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x15931
1579C	Ticks greedy, implementation	1500	x10555
1578H	Higher Order Functions implementation, strings	1700	x2022
1575J	Jeopardy of Dropped Balls binary search, brute force, dsu, implementation	1500	x3787
1574C	Slay the Dragon binary search, greedy, sortings, ternary search	1300	x17022
1573B	Swaps greedy, math, sortings	1400	x14509
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x335
1571B	Epic Novel *special problem, math	1300	x710
1569C	Jury Meeting combinatorics, math	1500	x11984
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x12147
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7829
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6328
1562C	Rings constructive algorithms, math	1500	x13241
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5595
1561C	Deep Down Below binary search, greedy, sortings	1300	x14511
1560D	Make a Power of Two greedy, math, strings	1300	x18152
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13751
1558A	Charmed by the Game brute force, math	1300	x11060
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8576
1556B	Take Your Places! implementation	1300	x12670
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x12324
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x21650
1555B	Two Tables brute force	1300	x16019
1554B	Cobb bitmasks, brute force, greedy, math	1700	x12737
1553D	Backspace dp, greedy, strings, two pointers	1500	x13690
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x14117
1552B	Running for Gold combinatorics, graphs, greedy, sortings	1500	x15380
1551D1	Domino (easy version) constructive algorithms, math	1700	x7046
1551C	Interesting Story greedy, sortings, strings	1500	x13258
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15463
1550C	Manhattan Subarrays brute force, geometry, greedy, implementation	1700	x10150
1548A	Web of Lies brute force, graphs, greedy	1400	x16385
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x14391
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16639
1545A	AquaMoon and Strange Sort sortings	1500	x13872
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7582
1542C	Strange Function math, number theory	1600	x14133
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22990
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13909
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11608
1538F	Interesting Function binary search, dp, math, number theory	1500	x19170
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13559
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x28323
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12874
1537D	Deleting Divisors games, math, number theory	1700	x12337
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x14068