Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
5 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

probabilities

Add tag

Problems

#	Name
1578G	Game of Chance math, probabilities	3500	x34
1761G	Centroid Guess interactive, probabilities, trees	3500	x97
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x123
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x189
1835E	Old Mobile combinatorics, dp, probabilities	3500	x203
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x88
913H	Don't Exceed math, probabilities	3400	x123
949F	Astronomy geometry, probabilities	3300	x57
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x84
618G	Combining Slimes dp, math, matrices, probabilities	3300	x220
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x315
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x323
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x189
1819E	Roads in E City interactive, math, probabilities, trees	3200	x245
1081G	Mergesort Strikes Back math, probabilities	3200	x340
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x536
1349D	Slime and Biscuits math, probabilities	3200	x820
1912F	Fugitive Frenzy math, probabilities	3100	x105
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x189
1951G	Clacking Balls combinatorics, math, probabilities	3100	x256
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x303
1067D	Computer Game dp, greedy, math, probabilities	3100	x355
1924E	Paper Cutting Again combinatorics, probabilities	3100	x394
1286D	LCC data structures, math, matrices, probabilities	3100	x559
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x52
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x168
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x252
303E	Random Ranking dp, math, probabilities	3000	x312
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x564
1438F	Olha and Igor interactive, probabilities, trees	3000	x611
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x627
1267G	Game Relics math, probabilities	3000	x628
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x675
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2056
1571H	Laser Beams *special problem, geometry, probabilities	2900	x44
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	x317
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x373
1630E	Expected Components combinatorics, math, number theory, probabilities	2900	x424
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x575
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x819
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x848
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x968
364D	Ghd brute force, math, probabilities	2900	x1970
802F	Marmots (hard) math, probabilities	2800	x120
335E	Counting Skyscrapers dp, math, probabilities	2800	x218
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x321
277D	Google Code Jam dp, probabilities	2800	x327
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x339
446D	DZY Loves Games math, matrices, probabilities	2800	x379
559D	Randomizer combinatorics, geometry, probabilities	2800	x423
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x580
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x605
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x653
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x709
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x929
1746F	Kazaee data structures, hashing, probabilities	2800	x1543
107E	Darts geometry, probabilities	2700	x127
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x234
457D	Bingo! combinatorics, math, probabilities	2700	x269
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees	2700	x289
183D	T-shirt dp, greedy, probabilities	2700	x392
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x436
98E	Help Shrek and Donkey dp, games, math, probabilities	2700	x443
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x450
623D	Birthday greedy, math, probabilities	2700	x467
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x580
113D	Museum math, matrices, probabilities	2700	x652
464D	World of Darkraft - 2 dp, probabilities	2700	x659
1295F	Good Contest combinatorics, dp, probabilities	2700	x1021
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1114
1254D	Tree Queries data structures, probabilities, trees	2700	x1149
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1319
1970D2	Arithmancy (Medium) constructive algorithms, interactive, probabilities, strings	2600	x128
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees	2600	x350
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x368
1765C	Card Guessing combinatorics, dp, probabilities	2600	x368
229E	Gifts combinatorics, dp, math, probabilities	2600	x451
248E	Piglet's Birthday dp, math, probabilities	2600	x565
1354G	Find a Gift binary search, interactive, probabilities	2600	x721
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x753
1153F	Serval and Bonus Problem combinatorics, dp, math, probabilities	2600	x762
1380G	Circular Dungeon greedy, math, probabilities	2600	x772
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x792
1172C2	Nauuo and Pictures (hard version) dp, probabilities	2600	x815
494C	Helping People dp, probabilities	2600	x831
482C	Game with Strings bitmasks, dp, probabilities	2600	x872
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x940
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1173
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1214
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1534
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x1756
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3167
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x127
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x450
712E	Memory and Casinos data structures, math, probabilities	2500	x603
123E	Maze dfs and similar, dp, probabilities, trees	2500	x691
1187F	Expected Square Beauty dp, math, probabilities	2500	x849
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x889

←