Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
05:16:14
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Before contest
Codeforces Round 941 (Div. 2)
05:16:14
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Problems

#	Name
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x212
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x264
1957E	Carousel of Combinations brute force, combinatorics, dp, math, number theory		x818
1957D	A BIT of an Inequality bitmasks, brute force, dp, math		x3091
1957C	How Does the Rook Move? combinatorics, dp, math		x6639
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation		x13565
1957A	Stickogon constructive algorithms, greedy		x18041
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x227
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x582
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x1101
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x2884
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x9808
1956B	Nene and the Card Game games, greedy	800	x17644
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x17796
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x917
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3081
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5459
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6624
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x11967
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x16524
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x22332
1955A	Yogurt Sale math	800	x34062
1954F	Unique Strings combinatorics, dp, math	3100	x181
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1579
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4503
1954C	Long Multiplication greedy, math, number theory	1200	x14479
1954B	Make It Ugly implementation, math	1200	x14412
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x19147
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x674
1952I	Dark Matter bitmasks, geometry		x321
1952H	Palindrome implementation, strings		x335
1952G	Mathematician Takeover binary search, dfs and similar, math		x897
1952F	Grid brute force		x1619
1952E	Sweep Line combinatorics, games, math		x201
1952D	Are You a Procrastinator? implementation		x4054
1952C	They Have Fooled brute force, schedules		x2677
1952B	Is it stated? strings		x10138
1952A	Are You a Robot, Again? strings		x11208
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x37
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x179
1951G	Clacking Balls combinatorics, math, probabilities	3100	x224
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x621
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2867
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4506
1951C	Ticket Hoarding greedy, math, sortings	1400	x9083
1951B	Battle Cows binary search, data structures, greedy	1200	x11429
1951A	Dual Trigger constructive algorithms, greedy, math	900	x15698
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3269
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7181
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x11336
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19485
1950C	Clock Conversion implementation, math	800	x33694
1950B	Upscaling implementation	800	x32097
1950A	Stair, Peak, or Neither? implementation	800	x41894
1949K	Make Triangle constructive algorithms, math		x222
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers		x299
1949I	Disks dfs and similar, geometry, graph matchings, graphs		x1047
1949H	Division Avoidance greedy, math		x65
1949G	Scooter graphs, greedy		x601
1949F	Dating greedy, sortings, trees		x690
1949E	Damage per Second brute force, math		x78
1949D	Funny or Scary? constructive algorithms		x296
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees		x1069
1949B	Charming Meals binary search, brute force, greedy, sortings		x1531
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x80
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x580
1948F	Rare Coins combinatorics, math, probabilities	2500	x1074
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2537
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x7991
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14060
1948B	Array Fix brute force, dp, greedy, implementation	1100	x20080
1948A	Special Characters brute force, constructive algorithms	800	x25853
1946F	Nobody is needed 2-sat, data structures, dfs and similar, dp	2500	x738
1946E	Girl Permutation combinatorics, dp, math, number theory	2200	x2021
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3897
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8818
1946B	Maximum Sum dp, greedy, math	1100	x17495
1946A	Median of an Array greedy, implementation, sortings	800	x23095
1945H	GCD is Greater brute force, data structures, math, number theory	2600	x462
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x605
1945F	Kirill and Mushrooms data structures, sortings	1900	x3472
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6737
1945D	Seraphim the Owl dp, greedy	1300	x11744
1945C	Left and Right Houses brute force	1200	x12425
1945B	Fireworks math, number theory	900	x19120
1945A	Setting up Camp greedy, math	800	x24043
1944B	Equal XOR bitmasks, constructive algorithms	1100	x13930
1944A	Destroying Bridges graphs, greedy, math	800	x20735
1943F	Minimum Hamming Distance dp	3500	x72
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x209
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x331
1943D2	Counting Is Fun (Hard Version) combinatorics, dp	2800	x555
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1185
1943C	Tree Compass constructive algorithms, dfs and similar, greedy, trees	2300	x1725
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3141
1943A	MEX Game 1 games, greedy	1300	x14879
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x54
1942G	Bessie and Cards combinatorics, dp, math	2800	x352
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x533
1942E	Farm Game combinatorics, games	2300	x1401

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