Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
2276G	Elimination of Players combinatorics, dp, math		x132
2276F	Permutation Coloring Game brute force, dp, dsu, games, greedy, implementation, math		x501
2276E	Good Substrings combinatorics, data structures, data structures, dp, greedy, greedy, strings		x2369
2275H	A Problem to Warm Up the Eyebrows combinatorics, combinatorics, dp, dp, math, math		x555
2275E	Repentance Is Already on the Way dp, implementation		x4560
2274A	The Projections of Paco dfs and similar, dp, hashing, implementation, math		x6537
2273F	Pancho's Permutation constructive algorithms, dp, greedy, math		x88
2273A	Lavencia Oranges binary search, constructive algorithms, dp, greedy		x3659
2271H1	Personal Issues (Easy Version) dp, games, games, trees, trees		x123
2271F	Beautiful Pillers constructive algorithms, constructive algorithms, data structures, dp, greedy, implementation		x881
2268D	AghaBalaSar and Hamed data structures, dp, trees	2600	x718
2267G	New LRT divide and conquer, dp, fft	2600	x298
2267D	Backrooms Hill constructive algorithms, dp, greedy, sortings, two pointers	1400	x7965
2266H	Deque Malfunction binary search, data structures, dp, greedy	2400	x441
2266G	Modular Tree dfs and similar, dp, greedy, math, number theory, trees	2200	x996
2266E	Prime Destruction brute force, dp, math, number theory	1400	x7345
2264E2	A Prime Flood (Hard Version) brute force, combinatorics, combinatorics, combinatorics, dp, dp, number theory, number theory	2700	x461
2264E1	A Prime Flood (Easy Version) combinatorics, dp, number theory	2200	x1383
2262A2	Floor of MEX (Hard Version) dp, implementation, math	1800	x3167
2261G	1 2 3 and XOR, Where Did Everybody Go? bitmasks, data structures, divide and conquer, dp, greedy, sortings, two pointers		x222
2261F1	Plegma II: Ask Me Any Cell (Easy Version) brute force, constructive algorithms, dp, greedy, math		x266
2260E	Cyclic Balance binary search, constructive algorithms, dp, math	2000	x2084
2260D	Signs of Prefix Sums brute force, constructive algorithms, dfs and similar, dp, implementation	1700	x5261
2259H	Treasure Map Destruction (Counting Version) dfs and similar, dp, dsu, graphs, math	2200	x1021
2258F	Plus Minus Tree data structures, dfs and similar, dp, graphs, greedy, trees	3000	x331
2258D	Magic Tiles dp, greedy, implementation	2500	x576
2257F2	Beaver's Jumping Track (Hard Version) data structures, dp, matrices	2700	x438
2257F1	Beaver's Jumping Track (Easy Version) data structures, dp, matrices	2500	x734
2257E	Busy Beaver brute force, data structures, divide and conquer, dp, greedy, implementation, sortings	2100	x2276
2254G	Nightcrawler data structures, dfs and similar, dp, greedy, greedy, sortings, trees	2200	x1350
2253F	4-beauty bitmasks, dp, graphs, math, number theory	2600	x580
2252F	Spectral Components dfs and similar, dp, dp, greedy, sortings, trees	2600	x595
2252E	Generational Triplets bitmasks, combinatorics, dp, math	2100	x2078
2252B	Always Changing dp, greedy, math, strings	1100	x13393
2248G	No Balance Left bitmasks, dp, math, number theory	3000	x265
2248C	Maximize the Score dp, greedy	1300	x10710
2247F	Paths on a Grid data structures, dp, hashing	2900	x629
2247A	Zero Sum constructive algorithms, dp, number theory	800	x23264
2246C	0mar and Alternating Sums combinatorics, dp, math	1400	x9623
2245F	Familiar? brute force, combinatorics, dp	2800	x467
2244G	Yura and Deadlines data structures, dp	1900	x3171
2244F	Anya Loves Trees! dfs and similar, dp, greedy, trees, trees	1700	x4780
2244E	Masha and the Garland data structures, dp, greedy, implementation, math, number theory, strings	1400	x9539
2244D	Yaroslav and Productivity constructive algorithms, dp, greedy, math, number theory	1200	x14208
2244A	Iskander and Drawings dp, games, greedy, strings	800	x31190
2242F	Summer Vacation data structures, data structures, data structures, dp, dp, probabilities, trees	2800	x505
2242D	Two Digit Strings dp, strings	1600	x8457
2241E	Fair and Square combinatorics, dp, graphs, math, number theory, trees	1600	x6967
2241D	An Alternative Way dp, greedy, math	1100	x17292
2239F	Colorful Works dp, fft, games, implementation	3500	x260
2239D	Hunting the Beast combinatorics, dp, graphs, math	2500	x735
2238E	Cake Trial dp, greedy	2100	x2332
2238C	Village Guilds dfs and similar, dp, trees	1400	x9884
2238B	Crimson Triples dp, math, number theory	900	x17068
2237I2	DBFS Order (Hard Version) dp, trees	3500	x128
2237I1	DBFS Order (Easy Version) dp, trees	3500	x88
2237F	Paint the Array data structures, dp, greedy	2400	x1197
2236F2	Elections in Saransk (hard version) combinatorics, dp, dp, dp, math, number theory	2200	x1286
2236E	Friendly Gifts brute force, dp	1700	x6921
2236D	Brand New Tatar TV Show binary search, constructive algorithms, dp, games, games, math	1300	x13559
2234G	Stripe, Token and Two Players data structures, dp, games	2700	x411
2234D	XOR, Expression and Two Binary Numbers bitmasks, divide and conquer, dp, math, number theory	1500	x9239
2233F	Shortest GCD Paths dp, graphs, math, number theory, shortest paths, shortest paths	2800	x553
2233C	Cost of a Bracket Sequence brute force, dp, greedy	1400	x10070
2232D	Magical Tiered Cake constructive algorithms, constructive algorithms, dfs and similar, dp, greedy	2000	x2886
2232C1	Seating Arrangement (Easy Version) binary search, binary search, dp, greedy, greedy, two pointers, two pointers	1300	x12710
2231E	Graph Cutting dfs and similar, dp, math, trees	2300	x1258
2230F	Game on Growing Tree binary search, dfs and similar, divide and conquer, dp, games, implementation, trees	2700	x547
2230D	Good Schedule dp, greedy	1700	x5715
2229I	The Endians dp, trees	3500	x255
2229H	Wowee Binary String combinatorics, dp, strings	3300	x300
2229G	Roadworks binary search, data structures, dp, greedy, two pointers	3000	x389
2229F	Load Unbalancing binary search, bitmasks, dp, greedy	2400	x1185
2229E	Deconstruction Tree combinatorics, data structures, dp, graphs, trees	2100	x2123
2229C2	We Be Flipping (Hard Version) constructive algorithms, dp, greedy	1400	x9156
2228F	Momoyo and the Network binary search, dfs and similar, dfs and similar, divide and conquer, divide and conquer, dp, trees	2700	x385
2228C2	Cirno and Number (Hard Version) binary search, dfs and similar, dp, greedy, implementation	1600	x6618
2228C1	Cirno and Number (Easy Version) binary search, brute force, dp, greedy, implementation	1500	x8514
2227H	Fallen Leaves dfs and similar, dp, dp, trees, trees	2100	x1836
2227F	It Just Keeps Going Sideways binary search, data structures, data structures, dp, dp, greedy, greedy, math, math	1700	x4773
2227E	It All Went Sideways binary search, data structures, dp, greedy	1400	x10531
2226D	Reserved Reversals constructive algorithms, dp, greedy, math	1900	x3431
2225C	Red-Black Pairs dp, greedy	1100	x14841
2223B	Zhily and Barknights binary search, data structures, dp, math, sortings, two pointers	1600	x4128
2222H	Counting Sort? brute force, combinatorics, dp	3500	x165
2222C	Median Partition dp, math	1500	x6633
2222A	A Wonderful Contest brute force, dp, math	800	x12866
2219C	Coloring a Red Black Tree dfs and similar, dp, greedy, math, probabilities, trees, trees	2300	x1555
2217H	Closer dfs and similar, dp, trees	2800	x304
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
2215D	EXPloration, EXPloitation, and Gain Some EXPerience! bitmasks, brute force, dp, greedy, implementation	2800	x186
2215A	Interval Mod constructive algorithms, dp, greedy, math	1700	x4157
2211F	Learning Binary Search combinatorics, divide and conquer, dp, math	2400	x1081
2211E	Minimum Path Cover brute force, dp, greedy, interactive, interactive, math, number theory, trees	2500	x1098
2211B	Mickey Mouse Constructive constructive algorithms, dp, greedy, math	1100	x13435
2210C2	A Simple GCD Problem (Hard Version) dp, greedy, number theory	2100	x2485
2210A	A Simple Sequence constructive algorithms, dp, greedy, number theory	800	x25383
2209E	A Trivial String Problem brute force, dp, hashing, string suffix structures, strings	2200	x2109
2208E	Counting Cute Arrays combinatorics, dp	2700	x505

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