Problemset - Codeforces

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Codeforces Global Round 26
19:47:59
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brute force

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Problems

#	Name
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1518
1826D	Running Miles brute force, dp, greedy	1700	x8780
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14638
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1202
1823B	Sort with Step brute force, math, sortings	900	x15455
1822G2	Magic Triples (Hard Version) brute force, data structures, math, number theory	2200	x2335
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6605
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5684
1822A	TubeTube Feed brute force, implementation	800	x23747
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2273
1821D	Black Cells binary search, brute force, greedy, math	1900	x4798
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13736
1821B	Sort the Subarray brute force, greedy	1100	x17217
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x603
1819A	Constructive Problem brute force, greedy	1300	x12184
1817E	Half-sum brute force, divide and conquer, greedy	3400	x252
1817B	Fish Graph brute force, constructive algorithms, dfs and similar, graphs	1900	x3908
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x2889
1814F	Communication Towers brute force, divide and conquer, dsu	2700	x480
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x830
1814B	Long Legs brute force, math	1700	x9642
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5598
1810E	Monsters brute force, data structures, dfs and similar, dsu, graphs, greedy	2100	x3038
1810C	Make It Permutation brute force, greedy, sortings	1300	x13949
1810A	Beautiful Sequence brute force, greedy	800	x20452
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x424
1808D	Petya, Petya, Petr, and Palindromes binary search, brute force, data structures, two pointers	2100	x2204
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3620
1808A	Lucky Numbers brute force, implementation	900	x17465
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x18036
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x5961
1806E	Tree Master brute force, data structures, dfs and similar, trees	2200	x2710
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7293
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x831
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1542
1805A	We Need the Zero bitmasks, brute force	800	x21539
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1377
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4456
1804C	Pull Your Luck brute force, greedy, math, number theory	1500	x11633
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12215
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x12268
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x778
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x10912
1798E	Multitest Generator brute force, dp	2300	x1539
1798B	Three Sevens brute force, data structures, greedy, implementation	1000	x16025
1797E	Li Hua and Array brute force, data structures, dsu, math, number theory, two pointers	2300	x1205
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3741
1796F	Strange Triples brute force, math, number theory	2900	x170
1796A	Typical Interview Problem brute force, implementation, strings	800	x18617
1795B	Ideal Point brute force, geometry, greedy	900	x21361
1795A	Two Towers brute force, implementation, strings	800	x23328
1793F	Rebrending brute force, data structures, divide and conquer, implementation	2600	x1307
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x375
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1322
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13463
1791F	Range Update Point Query binary search, brute force, data structures	1500	x11675
1791D	Distinct Split brute force, greedy, strings	1000	x27514
1790F	Timofey and Black-White Tree brute force, dfs and similar, divide and conquer, graphs, greedy, math, shortest paths, trees	2100	x3176
1790C	Premutation brute force, implementation, math	1000	x23167
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x523
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x774
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1591
1789B	Serval and Inversion Magic brute force, implementation, strings, two pointers	800	x15875
1789A	Serval and Mocha's Array brute force, math, number theory	800	x17390
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3756
1788A	One and Two brute force, implementation, math	800	x28136
1787G	Colorful Tree Again brute force, data structures, trees	3000	x400
1786B	Cake Assembly Line brute force, sortings	1300	x8693
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x307
1784A	Monsters (easy version) brute force, greedy	1000	x14590
1783E	Game of the Year brute force, data structures, math, number theory	2300	x2042
1783D	Different Arrays brute force, dp, implementation	2000	x4237
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1273
1781D	Many Perfect Squares brute force, math, number theory	1800	x5309
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7165
1781B	Going to the Cinema brute force, greedy, sortings	1000	x13303
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1396
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory	2400	x1320
1780B	GCD Partition brute force, greedy, math, number theory	1100	x16848
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x133
1778C	Flexible String bitmasks, brute force, strings	1600	x7770
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19369
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x395
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x645
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1025
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7494
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x460
1772B	Matrix Rotation brute force, implementation	800	x28416
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x667
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2621
1770C	Koxia and Number Theory brute force, chinese remainder theorem, math, number theory	1700	x8332
1770A	Koxia and Whiteboards brute force, greedy	1000	x22995
1769D3	Игра в Девятку III *special problem, brute force	2300	x118
1769D2	Игра в Девятку II *special problem, brute force	2200	x189
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x371
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x934
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x859
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1318
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x849
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1144