Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
26:10:20
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Problems

#	Name
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x7649
1968E	Cells Arrangement constructive algorithms	1600	x8526
1958D	Staircase *special problem	1600	x366
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x8112
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x11188
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9432
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8406
1938H	Pho Restaurant	1600	x1901
1932E	Final Countdown implementation, math, number theory	1600	x7054
1928C	Physical Education Lesson brute force, math, number theory	1600	x7680
1921E	Eat the Chip brute force, games, greedy, math	1600	x9042
1920C	Partitioning the Array brute force, math, number theory	1600	x12047
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9534
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x594
1910B	Security Guard *special problem, greedy	1600	x612
1907E	Good Triples brute force, combinatorics, number theory	1600	x9006
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5852
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6836
1886C	Decreasing String implementation, strings	1600	x10417
1878D	Reverse Madness data structures, greedy	1600	x7689
1875D	Jellyfish and Mex dp	1600	x7729
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9756
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9577
1857F	Sum and Product binary search, data structures, math	1600	x10548
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11231
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9944
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x11221
1840E	Character Blocking data structures, hashing, implementation	1600	x7615
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10598
1829G	Hits Different data structures, dp, implementation, math	1600	x9555
1822E	Making Anti-Palindromes greedy, math, strings	1600	x9815
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7109
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7271
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x8190
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x9195
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7291
1796C	Maximum Set binary search, math	1600	x9881
1795D	Triangle Coloring combinatorics, math	1600	x8568
1787C	Remove the Bracket dp, greedy, math	1600	x6765
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7142
1779C	Least Prefix Sum data structures, greedy	1600	x11924
1778C	Flexible String bitmasks, brute force, strings	1600	x7747
1775C	Interesting Sequence bitmasks, math	1600	x9770
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7477
1771C	Hossam and Trainees greedy, math, number theory	1600	x9136
1766D	Lucky Chains math, number theory	1600	x8490
1753B	Factorial Divisibility math, number theory	1600	x12185
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10568
1741E	Sending a Sequence Over the Network dp	1600	x11023
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x11994
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10177
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8784
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x12959
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10118
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x12492
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x8764
1689C	Infected Tree dfs and similar, dp, trees	1600	x10704
1687A	The Enchanted Forest brute force, greedy	1600	x10039
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9567
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8153
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7361
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8085
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7023
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8237
1658D1	388535 (Easy Version) bitmasks, math	1600	x8811
1633D	Make Them Equal dp, greedy	1600	x13184
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12326
1623C	Balanced Stone Heaps binary search, greedy	1600	x11425
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12477
1615C	Menorah brute force, graphs, greedy, math	1600	x8088
1612D	X-Magic Pair math, number theory	1600	x8874
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x10827
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7028
1607E	Robot on the Board 1 implementation	1600	x9064
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13127
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11782
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10186
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11883
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7711
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11830
1542C	Strange Function math, number theory	1600	x13616
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11332
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12359
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x8934
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14011
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13174
1526C2	Potions (Hard Version) data structures, greedy	1600	x21240
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8613
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x11024
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14659
1514C	Product 1 Modulo N greedy, number theory	1600	x14417
1513C	Add One dp, matrices	1600	x13333
1512E	Permutation by Sum brute force, greedy, math	1600	x10070
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11095
1505B	DMCA *special problem, implementation, number theory	1600	x6019
1503A	Balance the Bits constructive algorithms, greedy	1600	x13048
1498C	Planar Reflections brute force, data structures, dp	1600	x9281
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16557
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x11710
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9116

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