Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
2 days
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Codeforces Round 941 (Div. 2)
2 days
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Problems

#	Name
1578G	Game of Chance math, probabilities	3500	x32
1571H	Laser Beams *special problem, geometry, probabilities	2900	x44
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x52
949F	Astronomy geometry, probabilities	3300	x57
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x80
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x87
1761G	Centroid Guess interactive, probabilities, trees	3500	x95
1912F	Fugitive Frenzy math, probabilities	3100	x104
98B	Help King implementation, probabilities, trees	2200	x114
802F	Marmots (hard) math, probabilities	2800	x120
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x122
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x122
913H	Don't Exceed math, probabilities	3400	x123
107E	Darts geometry, probabilities	2700	x127
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x167
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x176
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x181
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x186
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x187
1835E	Old Mobile combinatorics, dp, probabilities	3500	x201
618G	Combining Slimes dp, math, matrices, probabilities	3300	x216
335E	Counting Skyscrapers dp, math, probabilities	2800	x216
1951G	Clacking Balls combinatorics, math, probabilities	3100	x220
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x227
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x233
1819E	Roads in E City interactive, math, probabilities, trees	3200	x241
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x252
457D	Bingo! combinatorics, math, probabilities	2700	x267
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x289
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x297
303E	Random Ranking dp, math, probabilities	3000	x310
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x311
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x312
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x312
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x318
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x319
277D	Google Code Jam dp, probabilities	2800	x324
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x336
1081G	Mergesort Strikes Back math, probabilities	3200	x338
1067D	Computer Game dp, greedy, math, probabilities	3100	x351
1765C	Card Guessing combinatorics, dp, probabilities	2600	x363
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x365
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x373
446D	DZY Loves Games math, matrices, probabilities	2800	x378
1924E	Paper Cutting Again combinatorics, probabilities	3100	x383
183D	T-shirt dp, greedy, probabilities	2700	x390
717H	Pokermon League challenge math, probabilities	2400	x417
1630E	Expected Components combinatorics, math, number theory, probabilities	2900	x419
559D	Randomizer combinatorics, geometry, probabilities	2800	x423
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x429
1600F	Party Organization brute force, math, probabilities	2300	x432
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x436
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x442
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x445
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x446
229E	Gifts combinatorics, dp, math, probabilities	2600	x450
623D	Birthday greedy, math, probabilities	2700	x466
345A	Expecting Trouble *special problem, probabilities	1500	x476
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x509
85C	Petya and Tree binary search, dfs and similar, probabilities, sortings, trees	2200	x521
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x528
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x555
1286D	LCC data structures, math, matrices, probabilities	3100	x555
248E	Piglet's Birthday dp, math, probabilities	2600	x559
633E	Startup Funding binary search, constructive algorithms, data structures, probabilities, two pointers	2400	x567
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x572
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x579
1765F	Chemistry Lab dp, geometry, probabilities	2200	x586
50D	Bombing binary search, dp, probabilities	2100	x596
712E	Memory and Casinos data structures, math, probabilities	2500	x601
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x602
1438F	Olha and Igor interactive, probabilities, trees	3000	x607
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x625
1267G	Game Relics math, probabilities	3000	x625
150C	Smart Cheater data structures, math, probabilities	2200	x625
513G2	Inversions problem dp, probabilities	2400	x626
1045D	Interstellar battle math, probabilities, trees	2200	x627
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x643
113D	Museum math, matrices, probabilities	2700	x648
464D	World of Darkraft - 2 dp, probabilities	2700	x655
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x667
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x669
101D	Castle dp, greedy, probabilities, sortings, trees	2300	x671
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x672
1061F	Lost Root interactive, probabilities	2400	x681
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x684
123E	Maze dfs and similar, dp, probabilities, trees	2500	x689
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x701
1354G	Find a Gift binary search, interactive, probabilities	2600	x718
1172C2	Nauuo and Pictures (hard version) dp, probabilities	2600	x722
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x729
26D	Tickets combinatorics, math, probabilities	2400	x745
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x748
1153F	Serval and Bonus Problem combinatorics, dp, math, probabilities	2600	x751
1380G	Circular Dungeon greedy, math, probabilities	2600	x763
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x766
417E	Square Table constructive algorithms, math, probabilities	2400	x766
105B	Dark Assembly brute force, probabilities	1800	x795
1349D	Slime and Biscuits math, probabilities	3200	x803

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