Problemset - Codeforces

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Educational Codeforces Round 174 (Rated for Div. 2)
36:16:48
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Problems

#	Name
2063C	Remove Exactly Two brute force, data structures, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x10203
2061D	Kevin and Numbers bitmasks, data structures	1600	x7759
2061C	Kevin and Puzzle 2-sat, combinatorics, dp	1600	x6986
2052A	Adrenaline Rush constructive algorithms	1600	x2475
2051E	Best Price binary search, brute force, data structures, greedy, sortings	1600	x8726
2048D	Kevin and Competition Memories binary search, brute force, data structures, greedy, sortings, two pointers	1600	x6683
2046B	Move Back at a Cost binary search, data structures, greedy, sortings	1600	x8160
2043C	Sums on Segments binary search, brute force, data structures, dp, greedy, math	1600	x8474
2040C	Ordered Permutations bitmasks, combinatorics, constructive algorithms, greedy, math, two pointers	1600	x8506
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x5796
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x7696
2034D	Darius' Wisdom constructive algorithms, greedy, implementation, sortings	1600	x5107
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x7745
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10879
2004D	Colored Portals binary search, brute force, data structures, graphs, greedy, implementation, shortest paths	1600	x11314
1996E	Decode combinatorics, data structures, implementation, math	1600	x10485
1994C	Hungry Games binary search, dp, two pointers	1600	x11504
1985G	D-Function combinatorics, math, number theory	1600	x10082
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x11088
1978D	Elections data structures, greedy, implementation, math	1600	x11917
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10880
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x10730
1968E	Cells Arrangement constructive algorithms	1600	x10999
1958D	Staircase *special problem	1600	x567
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x10247
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x13628
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x11692
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x10266
1938H	Pho Restaurant	1600	x2260
1932E	Final Countdown implementation, math, number theory	1600	x8728
1928C	Physical Education Lesson brute force, math, number theory	1600	x9066
1921E	Eat the Chip brute force, games, greedy, math	1600	x10230
1920C	Partitioning the Array brute force, math, number theory	1600	x14874
1917C	Watering an Array brute force, greedy, implementation, math	1600	x11016
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x662
1910B	Security Guard *special problem, greedy	1600	x699
1907E	Good Triples brute force, combinatorics, number theory	1600	x11296
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x7317
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x8218
1886C	Decreasing String implementation, strings	1600	x12451
1878D	Reverse Madness data structures, greedy	1600	x8852
1875D	Jellyfish and Mex dp	1600	x9427
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x11306
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10580
1857F	Sum and Product binary search, data structures, math	1600	x12336
1856C	To Become Max binary search, brute force, data structures, dp	1600	x13434
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x11090
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x13442
1840E	Character Blocking data structures, hashing, implementation	1600	x8443
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x12930
1829G	Hits Different data structures, dp, implementation, math	1600	x11327
1822E	Making Anti-Palindromes greedy, math, strings	1600	x10959
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7861
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7930
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x8957
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x10762
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x8023
1796C	Maximum Set binary search, math	1600	x10883
1795D	Triangle Coloring combinatorics, math	1600	x9856
1787C	Remove the Bracket dp, greedy, math	1600	x7396
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x8103
1779C	Least Prefix Sum data structures, greedy	1600	x12884
1778C	Flexible String bitmasks, brute force, strings	1600	x8766
1775C	Interesting Sequence bitmasks, math	1600	x11146
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x8258
1771C	Hossam and Trainees greedy, math, number theory	1600	x10156
1766D	Lucky Chains math, number theory	1600	x9322
1753B	Factorial Divisibility math, number theory	1600	x13287
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x11656
1741E	Sending a Sequence Over the Network dp	1600	x13389
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x13535
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x11499
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x9395
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x14080
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x11254
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x14176
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x9944
1689C	Infected Tree dfs and similar, dp, trees	1600	x11735
1687A	The Enchanted Forest brute force, greedy	1600	x10630
1680C	Binary String binary search, greedy, strings, two pointers	1600	x10228
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8679
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7898
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8606
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7537
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x9122
1658D1	388535 (Easy Version) bitmasks, math	1600	x9339
1633D	Make Them Equal dp, greedy	1600	x15021
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x13025
1623C	Balanced Stone Heaps binary search, greedy	1600	x12757
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x13659
1615C	Menorah brute force, graphs, greedy, math	1600	x8574
1612D	X-Magic Pair math, number theory	1600	x9473
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x12430
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7512
1607E	Robot on the Board 1 implementation	1600	x9509
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13971
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x13009
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10839
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x12407
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x8017

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