Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x153
1956E2	Nene vs. Monsters (Hard Version) brute force, implementation, math	2700	x445
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x902
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x2328
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x8446
1956B	Nene and the Card Game games, greedy	800	x15647
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x15844
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x817
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x2735
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x4984
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6049
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x11092
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x15323
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x20885
1955A	Yogurt Sale math	800	x31677
1954F	Unique Strings combinatorics, dp, math	3100	x139
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1329
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x3986
1954C	Long Multiplication greedy, math, number theory	1200	x13100
1954B	Make It Ugly implementation, math	1200	x13225
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x17694
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x658
1952I	Dark Matter bitmasks, geometry		x299
1952H	Palindrome implementation, strings		x313
1952G	Mathematician Takeover binary search, dfs and similar, math		x870
1952F	Grid brute force		x1587
1952E	Sweep Line combinatorics, games, math		x193
1952D	Are You a Procrastinator? implementation		x3968
1952C	They Have Fooled brute force, schedules		x2627
1952B	Is it stated? strings		x10003
1952A	Are You a Robot, Again? strings		x11053
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x30
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x160
1951G	Clacking Balls combinatorics, math, probabilities	3100	x188
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x579
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2720
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4306
1951C	Ticket Hoarding greedy, math, sortings	1400	x8573
1951B	Battle Cows binary search, data structures, greedy	1200	x10888
1951A	Dual Trigger constructive algorithms, greedy, math	900	x15028
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3084
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x6882
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x10898
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x18914
1950C	Clock Conversion implementation, math	800	x32860
1950B	Upscaling implementation	800	x31215
1950A	Stair, Peak, or Neither? implementation	800	x40471
1949K	Make Triangle constructive algorithms, math		x212
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers		x291
1949I	Disks dfs and similar, geometry, graph matchings, graphs		x1031
1949H	Division Avoidance greedy, math		x62
1949G	Scooter graphs, greedy		x588
1949F	Dating greedy, sortings, trees		x671
1949E	Damage per Second brute force, math		x73
1949D	Funny or Scary? constructive algorithms		x289
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees		x1048
1949B	Charming Meals binary search, brute force, greedy, sortings		x1494
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x75
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x557
1948F	Rare Coins combinatorics, math, probabilities	2500	x1039
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2461
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x7833
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x13756
1948B	Array Fix brute force, dp, greedy, implementation	1100	x19791
1948A	Special Characters brute force, constructive algorithms	800	x25497
1946F	Nobody is needed 2-sat, data structures, dfs and similar, dp	2500	x712
1946E	Girl Permutation combinatorics, dp, math, number theory	2200	x1946
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3774
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8582
1946B	Maximum Sum dp, greedy, math	1100	x17133
1946A	Median of an Array greedy, implementation, sortings	800	x22673
1945H	GCD is Greater brute force, data structures, math, number theory	2600	x446
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x581
1945F	Kirill and Mushrooms data structures, sortings	1900	x3394
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6575
1945D	Seraphim the Owl dp, greedy	1300	x11471
1945C	Left and Right Houses brute force	1200	x12154
1945B	Fireworks math, number theory	900	x18725
1945A	Setting up Camp greedy, math	800	x23532
1944B	Equal XOR bitmasks, constructive algorithms	1100	x13700
1944A	Destroying Bridges graphs, greedy, math	800	x20395
1943F	Minimum Hamming Distance dp	3500	x63
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x185
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x314
1943D2	Counting Is Fun (Hard Version) combinatorics, dp	2800	x534
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1149
1943C	Tree Compass constructive algorithms, dfs and similar, greedy, trees	2300	x1681
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3077
1943A	MEX Game 1 games, greedy	1300	x14591
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x52
1942G	Bessie and Cards combinatorics, dp, math	2800	x333
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x503
1942E	Farm Game combinatorics, games	2300	x1357
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2277
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5213
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x8993
1942B	Bessie and MEX constructive algorithms, math	1100	x11723
1942A	Farmer John's Challenge constructive algorithms, math	800	x14964
1941G	Rudolf and Subway constructive algorithms, dfs and similar, graphs, shortest paths	2000	x2804
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x4998

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