Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
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Problems

#	Name
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x147
1956E2	Nene vs. Monsters (Hard Version) brute force, implementation, math	2700	x435
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x886
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x2267
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x8271
1956B	Nene and the Card Game games, greedy	800	x15441
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x15659
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x806
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x2700
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x4946
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x5993
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x11029
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x15222
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x20760
1955A	Yogurt Sale math	800	x31489
1954F	Unique Strings combinatorics, dp, math	3100	x134
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1303
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x3922
1954C	Long Multiplication greedy, math, number theory	1200	x12961
1954B	Make It Ugly implementation, math	1200	x13089
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x17516
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x658
1952I	Dark Matter bitmasks, geometry		x298
1952H	Palindrome implementation, strings		x310
1952G	Mathematician Takeover binary search, dfs and similar, math		x867
1952F	Grid brute force		x1584
1952E	Sweep Line combinatorics, games, math		x190
1952D	Are You a Procrastinator? implementation		x3962
1952C	They Have Fooled brute force, schedules		x2624
1952B	Is it stated? strings		x9990
1952A	Are You a Robot, Again? strings		x11036
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x30
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x159
1951G	Clacking Balls combinatorics, math, probabilities	3100	x188
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x577
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2701
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4293
1951C	Ticket Hoarding greedy, math, sortings	1400	x8528
1951B	Battle Cows binary search, data structures, greedy	1200	x10842
1951A	Dual Trigger constructive algorithms, greedy, math	900	x14954
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3074
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x6859
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x10863
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x18878
1950C	Clock Conversion implementation, math	800	x32782
1950B	Upscaling implementation	800	x31135
1950A	Stair, Peak, or Neither? implementation	800	x40369
1949K	Make Triangle constructive algorithms, math		x210
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers		x290
1949I	Disks dfs and similar, geometry, graph matchings, graphs		x1028
1949H	Division Avoidance greedy, math		x62
1949G	Scooter graphs, greedy		x586
1949F	Dating greedy, sortings, trees		x669
1949E	Damage per Second brute force, math		x73
1949D	Funny or Scary? constructive algorithms		x287
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees		x1047
1949B	Charming Meals binary search, brute force, greedy, sortings		x1493
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x75
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x556
1948F	Rare Coins combinatorics, math, probabilities	2500	x1039
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2460
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x7825
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x13735
1948B	Array Fix brute force, dp, greedy, implementation	1100	x19772
1948A	Special Characters brute force, constructive algorithms	800	x25470
1946F	Nobody is needed 2-sat, data structures, dfs and similar, dp	2500	x711
1946E	Girl Permutation combinatorics, dp, math, number theory	2200	x1940
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3765
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8559
1946B	Maximum Sum dp, greedy, math	1100	x17109
1946A	Median of an Array greedy, implementation, sortings	800	x22649
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	x578
1945F	Kirill and Mushrooms data structures, sortings	1900	x3384
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6565
1945D	Seraphim the Owl dp, greedy	1300	x11451
1945C	Left and Right Houses brute force	1200	x12136
1945B	Fireworks math, number theory	900	x18692
1945A	Setting up Camp greedy, math	800	x23500
1944B	Equal XOR bitmasks, constructive algorithms	1100	x13687
1944A	Destroying Bridges graphs, greedy, math	800	x20375
1943F	Minimum Hamming Distance dp	3500	x62
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	x3073
1943A	MEX Game 1 games, greedy	1300	x14570
1942H	Farmer John's Favorite Intern data structures, dp, flows, trees	3500	x52
1942G	Bessie and Cards combinatorics, dp, math	2800	x332
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x501
1942E	Farm Game combinatorics, games	2300	x1354
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2273
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5202
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x8970
1942B	Bessie and MEX constructive algorithms, math	1100	x11689
1942A	Farmer John's Challenge constructive algorithms, math	800	x14935
1941G	Rudolf and Subway constructive algorithms, dfs and similar, graphs, shortest paths	2000	x2800
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x4990

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