Problemset - Codeforces

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Codeforces Round 972 (Div. 2)
41:26:19
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Problems

#	Name
2010C1	Message Transmission Error (easy version) brute force, strings	1400	x4778
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x9765
2009D	Satyam and Counting geometry, math	1400	x10877
2008F	Sakurako's Box combinatorics, math, number theory	1400	x10273
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x12102
1993C	Light Switches implementation, math	1400	x12680
1989C	Two Movies greedy, math	1400	x17532
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x14583
1983C	Have Your Cake and Eat It Too binary search, brute force, greedy, implementation	1400	x11847
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x13735
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14262
1974C	Beautiful Triple Pairs combinatorics, data structures	1400	x15239
1970C1	Game on Tree (Easy) games	1400	x3150
1967B1	Reverse Card (Easy Version) brute force, math, number theory	1400	x12822
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12050
1965A	Everything Nim games, greedy, math, sortings	1400	x13186
1958B	Clock in the Pool *special problem, math	1400	x847
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x14898
1951C	Ticket Hoarding greedy, math, sortings	1400	x11325
1932D	Card Game greedy, implementation	1400	x11215
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x15391
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x15399
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x14533
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x13724
1923C	Find B constructive algorithms, greedy	1400	x14740
1919C	Grouping Increases data structures, dp, greedy	1400	x18597
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13704
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12180
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12027
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x10968
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x13846
1905C	Largest Subsequence greedy, strings	1400	x12082
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x12638
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x11696
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11794
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9476
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10977
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x12195
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10698
1883F	You Are So Beautiful data structures	1400	x9337
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x12555
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11627
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7652
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9418
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13216
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13993
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12786
1845C	Strong Password binary search, dp, greedy, strings	1400	x14134
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12216
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13645
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x14346
1837D	Bracket Coloring constructive algorithms, greedy	1400	x14581
1833D	Flipper brute force, constructive algorithms, greedy	1400	x13253
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x13401
1824A	LuoTianyi and the Show greedy, implementation	1400	x11199
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12471
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x12735
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x15009
1773E	Easy Assembly greedy, sortings	1400	x4845
1772D	Absolute Sorting constructive algorithms, math	1400	x15799
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x14194
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x869
1764C	Doremy's City Construction graphs, greedy	1400	x9357
1762C	Binary Strings are Fun combinatorics, math	1400	x9134
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9536
1759D	Make It Round brute force, number theory	1400	x13410
1758C	Almost All Multiples greedy, number theory	1400	x13525
1750C	Complementary XOR constructive algorithms, implementation	1400	x9511
1749C	Number Game binary search, data structures, games, greedy, implementation	1400	x13868
1748B	Diverse Substrings brute force, implementation, strings	1400	x14966
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10970
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9858
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x13369
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15801
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x13301
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13157
1714E	Add Modulo 10 brute force, math, number theory	1400	x16397
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14811
1705C	Mark and His Unfinished Essay brute force, implementation	1400	x13294
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x16827
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14293
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11561
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x17477
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15559
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12276
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14661
1679C	Rooks Defenders data structures, implementation	1400	x10255
1676H1	Maximum Crossings (Easy Version) brute force	1400	x13931
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9905
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13431
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x12664
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13701
1634B	Fortune Telling bitmasks, math	1400	x16478
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15556
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14437
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16893
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9694
1606C	Banknotes greedy, number theory	1400	x14092
1605C	Dominant Character brute force, greedy, implementation, strings	1400	x16871
1600J	Robot Factory bitmasks, dfs and similar	1400	x3883

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