Problemset - Codeforces

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Problems

#	Name
1972B	Coin Games games, math		x11441
1972A	Contest Proposal brute force, greedy		x13124
1969F	Card Pairing dp, greedy, implementation		x64
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy		x640
1969D	Shop Game data structures, greedy, sortings		x2509
1969C	Minimizing the Sum dp		x4813
1969B	Shifts and Sorting constructive algorithms, greedy		x12155
1969A	Two Friends graphs, implementation, math		x13877
1968G2	Division + LCP (hard version) binary search, data structures, string suffix structures, strings		x368
1968G1	Division + LCP (easy version) binary search, string suffix structures, strings		x1602
1968F	Equal XOR Segments binary search		x1119
1968E	Cells Arrangement constructive algorithms		x3334
1968D	Permutation Game games, math		x6342
1968C	Assembly via Remainders constructive algorithms, constructive algorithms		x12115
1968B	Prefiquence greedy, two pointers		x16124
1968A	Maximize? brute force, math, number theory		x18799
1967F	Next and Prev brute force, data structures, schedules		x9
1967E2	Again Counting Arrays (Hard Version) combinatorics, dp		x25
1967E1	Again Counting Arrays (Easy Version) combinatorics, dp, fft, math		x74
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, two pointers		x270
1967C	Fenwick Tree combinatorics, data structures, dp, math, matrices, trees		x938
1967B2	Reverse Card (Hard Version) brute force, math, number theory		x2282
1967B1	Reverse Card (Easy Version) brute force, math, number theory		x7797
1967A	Permutation Counting implementation, math, sortings		x7102
1966B	Rectangle Filling constructive algorithms		x9821
1966A	Card Exchange chinese remainder theorem, flows, greedy, string suffix structures		x12756
1965F	Conference data structures, flows		x54
1965E	Connected Cubes constructive algorithms, games		x144
1965D	Missing Subarray Sum constructive algorithms		x211
1965C	Folding Strip constructive algorithms, greedy, strings		x1218
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory		x4235
1965A	Everything Nim games, greedy, math, sortings		x8519
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x239
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x296
1957E	Carousel of Combinations brute force, combinatorics, dp, math, number theory		x899
1957D	A BIT of an Inequality bitmasks, brute force, dp, math		x3281
1957C	How Does the Rook Move? combinatorics, dp, math		x6947
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation		x14010
1957A	Stickogon constructive algorithms, greedy		x18687
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x242
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x616
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x1146
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3000
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x10139
1956B	Nene and the Card Game games, greedy	800	x18174
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x18259
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x955
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3236
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5642
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6839
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x12331
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x17093
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23048
1955A	Yogurt Sale math	800	x35277
1954F	Unique Strings combinatorics, dp, math	3100	x188
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1659
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4662
1954C	Long Multiplication greedy, math, number theory	1200	x14950
1954B	Make It Ugly implementation, math	1200	x14810
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x19672
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x681
1952I	Dark Matter bitmasks, geometry		x331
1952H	Palindrome implementation, strings		x347
1952G	Mathematician Takeover binary search, dfs and similar, math		x909
1952F	Grid brute force		x1627
1952E	Sweep Line combinatorics, games, math		x206
1952D	Are You a Procrastinator? implementation		x4098
1952C	They Have Fooled brute force, schedules		x2696
1952B	Is it stated? strings		x10207
1952A	Are You a Robot, Again? strings		x11272
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x40
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x187
1951G	Clacking Balls combinatorics, math, probabilities	3100	x239
1951F	Inversion Composition constructive algorithms, data structures, greedy	2500	x630
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x2923
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x4581
1951C	Ticket Hoarding greedy, math, sortings	1400	x9276
1951B	Battle Cows binary search, data structures, greedy	1200	x11627
1951A	Dual Trigger constructive algorithms, greedy, math	900	x15970
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3352
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7333
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x11555
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x19776
1950C	Clock Conversion implementation, math	800	x34182
1950B	Upscaling implementation	800	x32588
1950A	Stair, Peak, or Neither? implementation	800	x42616
1949K	Make Triangle constructive algorithms, math		x223
1949J	Amanda the Amoeba graphs, implementation, trees, two pointers		x306
1949I	Disks dfs and similar, geometry, graph matchings, graphs		x1069
1949H	Division Avoidance greedy, math		x68
1949G	Scooter graphs, greedy		x617
1949F	Dating greedy, sortings, trees		x707
1949E	Damage per Second brute force, math		x78
1949D	Funny or Scary? constructive algorithms		x297
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees		x1093
1949B	Charming Meals binary search, brute force, greedy, sortings		x1561
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x80
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x592
1948F	Rare Coins combinatorics, math, probabilities	2500	x1095
1948E	Clique Partition brute force, constructive algorithms, graphs, greedy, implementation	2100	x2565

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