Problemset - Codeforces

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Codeforces Round 944 (Div. 4)
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Problems

#	Name
1600F	Party Organization brute force, math, probabilities	2300	x433
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2084
24D	Broken robot dp, math, probabilities	2400	x1798
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1724
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1296
698C	LRU bitmasks, dp, math, probabilities	2400	x1280
498B	Name That Tune dp, probabilities, two pointers	2400	x1147
1264C	Beautiful Mirrors with queries data structures, probabilities	2400	x1121
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1047
749E	Inversions After Shuffle data structures, probabilities	2400	x1026
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x968
417E	Square Table constructive algorithms, math, probabilities	2400	x779
26D	Tickets combinatorics, math, probabilities	2400	x747
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x687
1061F	Lost Root interactive, probabilities	2400	x686
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x673
513G2	Inversions problem dp, probabilities	2400	x628
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x568
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x429
717H	Pokermon League challenge math, probabilities	2400	x417
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x289
840D	Destiny data structures, probabilities	2500	x2784
1305F	Kuroni and the Punishment math, number theory, probabilities	2500	x2361
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1398
1556F	Sports Betting bitmasks, combinatorics, dp, graphs, math, probabilities	2500	x1172
1948F	Rare Coins combinatorics, math, probabilities	2500	x1140
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x966
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x900
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x891
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x861
1187F	Expected Square Beauty dp, math, probabilities	2500	x847
123E	Maze dfs and similar, dp, probabilities, trees	2500	x690
712E	Memory and Casinos data structures, math, probabilities	2500	x603
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x448
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x122
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3155
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x1736
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1532
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1211
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1171
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x939
482C	Game with Strings bitmasks, dp, probabilities	2600	x872
494C	Helping People dp, probabilities	2600	x830
1172C2	Nauuo and Pictures (hard version) dp, probabilities	2600	x809
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x786
1380G	Circular Dungeon greedy, math, probabilities	2600	x771
1153F	Serval and Bonus Problem combinatorics, dp, math, probabilities	2600	x761
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x752
1354G	Find a Gift binary search, interactive, probabilities	2600	x720
248E	Piglet's Birthday dp, math, probabilities	2600	x563
229E	Gifts combinatorics, dp, math, probabilities	2600	x450
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x367
1765C	Card Guessing combinatorics, dp, probabilities	2600	x367
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees	2600	x333
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1317
1254D	Tree Queries data structures, probabilities, trees	2700	x1145
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1113
1295F	Good Contest combinatorics, dp, probabilities	2700	x1011
464D	World of Darkraft - 2 dp, probabilities	2700	x658
113D	Museum math, matrices, probabilities	2700	x652
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x580
623D	Birthday greedy, math, probabilities	2700	x466
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x449
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x443
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x436
183D	T-shirt dp, greedy, probabilities	2700	x391
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees	2700	x275
457D	Bingo! combinatorics, math, probabilities	2700	x269
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x234
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
107E	Darts geometry, probabilities	2700	x127
1746F	Kazaee data structures, hashing, probabilities	2800	x1520
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x927
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x707
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x652
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x604
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x580
559D	Randomizer combinatorics, geometry, probabilities	2800	x423
446D	DZY Loves Games math, matrices, probabilities	2800	x379
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x338
277D	Google Code Jam dp, probabilities	2800	x326
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x319
335E	Counting Skyscrapers dp, math, probabilities	2800	x218
802F	Marmots (hard) math, probabilities	2800	x120
364D	Ghd brute force, math, probabilities	2900	x1965
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x965
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x846
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x819
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x573
1630E	Expected Components combinatorics, math, number theory, probabilities	2900	x423
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x373
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x316
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x311
1571H	Laser Beams *special problem, geometry, probabilities	2900	x44
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2051
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x673
1267G	Game Relics math, probabilities	3000	x628
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x627
1438F	Olha and Igor interactive, probabilities, trees	3000	x611
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x561