Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
2236C	Omsk Programmers brute force, greedy, greedy, math, math	1000	x22186
2236B	Tatar TV Show greedy, math, strings	800	x29718
2236A	Games on the Train greedy, math	800	x36463
2234E	Vlad, Misha and Two Arrays brute force, combinatorics, dfs and similar, divide and conquer, math	2100	x2240
2234D	XOR, Expression and Two Binary Numbers bitmasks, divide and conquer, dp, math, number theory	1500	x9239
2234B	Palindrome, Twelve and Two Terms brute force, constructive algorithms, math	800	x23048
2234A	Euclid, Sequence and Two Numbers math, number theory, sortings	800	x25084
2233F	Shortest GCD Paths dp, graphs, math, number theory, shortest paths, shortest paths	2800	x554
2233A	AI Project Development brute force, math	800	x23877
2232F	The Cake Is a Lie greedy, math, number theory, number theory	3000	x323
2232C2	Seating Arrangement (Hard Version) binary search, binary search, binary search, greedy, greedy, greedy, math, two pointers	1600	x9214
2232B	Cake Leveling binary search, greedy, math	900	x22006
2231F	Quadratic Jumps brute force, constructive algorithms, greedy, math, number theory	2600	x863
2231E	Graph Cutting dfs and similar, dp, math, trees	2300	x1258
2230E	Minimum Influence binary search, data structures, greedy, implementation, math, sortings, two pointers	2200	x1587
2230C	Arrange the Numbers in a Circle constructive algorithms, implementation, math	1300	x12230
2230B	Digit String greedy, implementation, math	1000	x18051
2230A	Optimal Purchase implementation, math	800	x24432
2229B	Absolute Cinema greedy, math	800	x19267
2229A	Slimes on a Line brute force, greedy, math	800	x19316
2228E2	Amanojaku and Sequence (Hard Version) combinatorics, data structures, implementation, math	2500	x397
2228E1	Amanojaku and Sequence (Easy Version) combinatorics, math	2400	x681
2227G	Drowning binary search, data structures, math	2000	x2409
2227F	It Just Keeps Going Sideways binary search, data structures, data structures, dp, dp, greedy, greedy, math, math	1700	x4773
2227C	Snowfall constructive algorithms, math	800	x24039
2227A	Koshary implementation, math	800	x33355
2226F	Inversion Invasion math, number theory	2800	x314
2226E	Mental Monumental (Hard Version) data structures, greedy, math, two pointers	2300	x1118
2226D	Reserved Reversals constructive algorithms, dp, greedy, math	1900	x3431
2226C	Mental Monumental (Easy Version) binary search, data structures, greedy, math, two pointers	1500	x8658
2226B	Everything Everywhere greedy, math, math, number theory, number theory	900	x15673
2226A	Disturbing Distribution greedy, math	800	x16231
2225E	Covering Points with Circles constructive algorithms, geometry, math	2200	x1365
2225D	Exceptional Segments bitmasks, brute force, math	1500	x8842
2225A	A Number Between Two Others greedy, math	800	x22621
2224B	Zhily and Mex and Max constructive algorithms, greedy, math, sortings	1200	x9927
2223F	Zhily and Colorful Strings divide and conquer, fft, math	3500	x126
2223C	Zhily and Signpost chinese remainder theorem, dfs and similar, math, number theory, trees	2300	x1013
2223B	Zhily and Barknights binary search, data structures, dp, math, sortings, two pointers	1600	x4128
2222C	Median Partition dp, math	1500	x6634
2222A	A Wonderful Contest brute force, dp, math	800	x12867
2219E	Weird Chessboard constructive algorithms, math	3500	x173
2219D	MEX Replacement on Tree data structures, implementation, math, trees	2700	x578
2219C	Coloring a Red Black Tree dfs and similar, dp, greedy, math, probabilities, trees, trees	2300	x1555
2219B1	Unique Values (Easy version) binary search, constructive algorithms, divide and conquer, interactive, math	1900	x4446
2219A	Grid L brute force, constructive algorithms, math, number theory	1400	x11401
2218G	The 67th Iteration of "Counting is Fun" implementation, math	1800	x4913
2218D	The 67th OEIS Problem constructive algorithms, greedy, greedy, greedy, math, math, number theory	1100	x22940
2218C	The 67th Permutation Problem constructive algorithms, greedy, math	800	x32675
2218B	The 67th 6-7 Integer Problem greedy, math	800	x43290
2218A	The 67th Integer Problem brute force, games, implementation, math	800	x45884
2217G	Down the Pivot combinatorics, dp, math, trees	2600	x477
2217F	Interval Game bitmasks, combinatorics, constructive algorithms, dp, games, games, greedy, greedy, math, probabilities	2400	x969
2217D	Flip the Bit (Hard Version) greedy, implementation, math	1900	x3960
2217C	Grid Covering chinese remainder theorem, math, number theory	1300	x12433
2217A	The Equalizer math	800	x25796
2215B	RReeppeettiittiioonn binary search, brute force, implementation, math, number theory	2000	x1399
2215A	Interval Mod constructive algorithms, dp, greedy, math	1700	x4157
2211F	Learning Binary Search combinatorics, divide and conquer, dp, math	2400	x1082
2211E	Minimum Path Cover brute force, dp, greedy, interactive, interactive, math, number theory, trees	2500	x1098
2211D	AND-array bitmasks, combinatorics, math	1900	x3508
2211B	Mickey Mouse Constructive constructive algorithms, dp, greedy, math	1100	x13435
2211A	Antimedian Deletion implementation, math	800	x18224
2210F	A Simple Problem binary search, data structures, greedy, math, trees	2800	x290
2210D	A Simple RBS Problem constructive algorithms, math, strings, trees	2100	x2357
2208C	Stamina and Tasks dp, greedy, math	1300	x13237
2208B	Cyclists brute force, games, greedy, implementation, math, sortings	1100	x15594
2208A	Bingo Candies constructive algorithms, math	800	x22587
2207E2	N-MEX (Counting Version) combinatorics, constructive algorithms, math	2400	x1028
2207C	Where's My Water? data structures, divide and conquer, dp, math	1600	x6734
2206J	Worldwide Playlist math	1700	x1598
2206I	Growth Factor combinatorics, dp, math, number theory	2900	x247
2205G	Simons and Diophantus Equation bitmasks, brute force, data structures, math, number theory	3000	x249
2205E	Simons and Dividing the Rhythm combinatorics, data structures, dp, dsu, math, string suffix structures, strings, strings, strings	2100	x1967
2205B	Simons and Cakes for Success implementation, math, math	800	x17988
2204F	Sum of Fractions binary search, brute force, combinatorics, data structures, greedy, math, number theory, two pointers	2200	x1403
2204E	Sum of Digits (and Again) brute force, constructive algorithms, math	1800	x5419
2204C	Spring math, math, math, math, math, number theory	1000	x20541
2203F	Binary Search with One Swap binary search, divide and conquer, dp, hashing, math, two pointers	2600	x491
2203E	Probabilistic Card Game binary search, data structures, games, greedy, math, ternary search	2200	x1586
2203C	Test Generator binary search, bitmasks, greedy, math	1500	x8349
2203B	Beautiful Numbers bitmasks, dp, fft, greedy, math	1000	x17135
2203A	Towers of Boxes math	800	x20552
2202A	Parkour Design math, math, math, math	800	x17863
2201F2	Monotone Monochrome Matrices (Hard Version) constructive algorithms, data structures, hashing, math	2800	x489
2201E	ABBA Counting fft, fft, math, number theory, strings	2900	x316
2200H	Six Seven divide and conquer, math, number theory, strings, strings, trees	2600	x587
2200G	Operation Permutation combinatorics, dp, math, probabilities	2200	x1359
2200E	Divisive Battle games, greedy, math, number theory	1500	x9824
2199H	Sum of MEX *special problem, combinatorics, data structures, dp, math	2300	x121
2199G	Jammer *special problem, math	2500	x69
2199F	Self-Produced Sequences *special problem, combinatorics, math	2000	x195
2199D	Two Arrays *special problem, math	1800	x353
2199B	Two Towers *special problem, greedy, math	1400	x1298
2197A	Friendly Numbers binary search, brute force, expression parsing, math, schedules	800	x24612
2196B	Another Problem about Beautiful Pairs brute force, math, two pointers	1600	x9789
2196A	Game with a Fraction games, math	1200	x18146
2195F	Parabola Independence dp, graphs, greedy, math, sortings	2000	x3085
2195D	Absolute Cinema math	1300	x15489
2195A	Sieve of Erato67henes math, number theory	800	x39109

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