Problemset - Codeforces

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Codeforces Round (Div. 2)
4 days

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Problems

#	Name
1578G	Game of Chance math, probabilities	3500	x20
1571H	Laser Beams *special problem, geometry, probabilities	2900	x33
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x46
949F	Astronomy geometry, probabilities	3300	x46
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x80
1761G	Centroid Guess interactive, probabilities, trees	3500	x82
98B	Help King implementation, probabilities, trees	2200	x93
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x99
802F	Marmots (hard) math, probabilities	2800	x106
107E	Darts geometry, probabilities	2700	x110
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x111
913H	Don't Exceed math, probabilities	3400	x112
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x119
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x125
1819E	Roads in E City interactive, math, probabilities, trees	3200	x155
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x162
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x166
335E	Counting Skyscrapers dp, math, probabilities	2800	x183
618G	Combining Slimes dp, math, matrices, probabilities	3300	x198
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x206
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x207
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x214
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x217
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x223
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x225
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x227
1081G	Mergesort Strikes Back math, probabilities	3200	x238
1765C	Card Guessing combinatorics, dp, probabilities	2600	x241
457D	Bingo! combinatorics, math, probabilities	2700	x241
303E	Random Ranking dp, math, probabilities	3000	x241
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x261
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x274
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x275
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x280
1067D	Computer Game dp, greedy, math, probabilities	3100	x281
277D	Google Code Jam dp, probabilities	2800	x292
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x293
446D	DZY Loves Games math, matrices, probabilities	2800	x298
559D	Randomizer combinatorics, geometry, probabilities	2800	x347
1630E	Expected Components combinatorics, math, number theory, probabilities	2900	x348
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x353
1600F	Party Organization brute force, math, probabilities	2300	x354
183D	T-shirt dp, greedy, probabilities	2700	x362
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x374
717H	Pokermon League challenge math, probabilities	2400	x386
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x398
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x399
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x404
229E	Gifts combinatorics, dp, math, probabilities	2600	x410
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x410
1438F	Olha and Igor interactive, probabilities, trees	3000	x423
623D	Birthday greedy, math, probabilities	2700	x431
345A	Expecting Trouble *special problem, probabilities	1500	x434
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x445
1267G	Game Relics math, probabilities	3000	x458
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x467
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x467
1765F	Chemistry Lab dp, geometry, probabilities	2200	x468
1286D	LCC data structures, math, matrices, probabilities	3100	x475
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x478
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x486
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x488
248E	Piglet's Birthday dp, math, probabilities	2600	x498
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x501
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x515
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x524
712E	Memory and Casinos data structures, math, probabilities	2500	x545
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x546
513G2	Inversions problem dp, probabilities	2400	x564
113D	Museum math, matrices, probabilities	2700	x564
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x566
50D	Bombing binary search, dp, probabilities	2100	x568
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x577
1045D	Interstellar battle math, probabilities, trees	2200	x577
150C	Smart Cheater data structures, math, probabilities	2200	x578
123E	Maze dfs and similar, dp, probabilities, trees	2500	x578
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x581
464D	World of Darkraft - 2 dp, probabilities	2700	x590
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x596
1349D	Slime and Biscuits math, probabilities	3200	x609
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x614
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x630
1061F	Lost Root interactive, probabilities	2400	x630
1354G	Find a Gift binary search, interactive, probabilities	2600	x636
1172C2	Nauuo and Pictures (hard version) dp, probabilities	2600	x637
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x644
1153F	Serval and Bonus Problem combinatorics, dp, math, probabilities	2600	x649
1380G	Circular Dungeon greedy, math, probabilities	2600	x662
26D	Tickets combinatorics, math, probabilities	2400	x664
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x673
417E	Square Table constructive algorithms, math, probabilities	2400	x683
494C	Helping People dp, probabilities	2600	x685
1187F	Expected Square Beauty dp, math, probabilities	2500	x715
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x749
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x752
105B	Dark Assembly brute force, probabilities	1800	x763
895E	Eyes Closed data structures, probabilities	2300	x773
482C	Game with Strings bitmasks, dp, probabilities	2600	x774
859D	Third Month Insanity dp, probabilities, trees	2100	x784
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x789

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