Problemset - Codeforces

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Codeforces Round 912 (Div. 2)
28:10:50
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Problems

#	Name
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x542
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1317
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x609
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2315
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1269
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x297
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x442
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x718
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x808
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2075
1835E	Old Mobile combinatorics, dp, probabilities	3500	x174
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x851
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x300
1824B2	LuoTianyi and the Floating Islands (Hard Version) combinatorics, dfs and similar, math, probabilities, trees	2300	x2326
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x3992
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x610
1819E	Roads in E City interactive, math, probabilities, trees	3200	x211
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x18036
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x271
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2350
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x2933
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x274
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x684
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1381
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x872
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1220
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x331
1765F	Chemistry Lab dp, geometry, probabilities	2200	x553
1765C	Card Guessing combinatorics, dp, probabilities	2600	x318
1761G	Centroid Guess interactive, probabilities, trees	3500	x91
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x3730
1746F	Kazaee data structures, hashing, probabilities	2800	x1366
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1323
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x6914
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x866
1729E	Guess the Cycle Size interactive, probabilities	1800	x6370
1726D	Edge Split brute force, constructive algorithms, dfs and similar, dsu, graphs, probabilities, trees	2000	x3402
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x5248
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x523
1630E	Expected Components combinatorics, math, number theory, probabilities	2900	x376
1626F	A Random Code Problem combinatorics, dp, math, number theory, probabilities	2800	x662
1623D	Robot Cleaner Revisit implementation, math, probabilities	2300	x1315
1612E	Messages brute force, dp, greedy, probabilities, sortings	2000	x2304
1600F	Party Organization brute force, math, probabilities	2300	x406
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1496
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x415
1578G	Game of Chance math, probabilities	3500	x28
1571H	Laser Beams *special problem, geometry, probabilities	2900	x38
1562F	Tubular Bells interactive, math, number theory, probabilities	2900	x361
1556H	DIY Tree graphs, greedy, math, probabilities	3300	x290
1556F	Sports Betting bitmasks, combinatorics, dp, graphs, math, probabilities	2500	x1100
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5040
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2394
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x681
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x235
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x1860
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1446
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2006
1510I	Is It Rated? greedy, interactive, math, probabilities	2700	x420
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x145
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x880
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x104
1461C	Random Events dp, math, probabilities	1500	x10543
1459A	Red-Blue Shuffle math, probabilities	800	x16434
1454A	Special Permutation constructive algorithms, probabilities	800	x37646
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4011
1438F	Olha and Igor interactive, probabilities, trees	3000	x586
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1658
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x615
1380G	Circular Dungeon greedy, math, probabilities	2600	x740
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1021
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x584
1354G	Find a Gift binary search, interactive, probabilities	2600	x677
1349D	Slime and Biscuits math, probabilities	3200	x693
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x48
1316F	Battalion Strength data structures, divide and conquer, probabilities	2800	x479
1310D	Tourism dp, graphs, probabilities	2300	x1182
1305F	Kuroni and the Punishment math, number theory, probabilities	2500	x2164
1295F	Good Contest combinatorics, dp, probabilities	2700	x908
1286D	LCC data structures, math, matrices, probabilities	3100	x513
1279D	Santa's Bot combinatorics, math, probabilities	1700	x5646
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x1525
1267G	Game Relics math, probabilities	3000	x587
1265E	Beautiful Mirrors data structures, dp, math, probabilities	2100	x3097
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x681
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1046
1264C	Beautiful Mirrors with queries data structures, probabilities	2400	x1101
1254D	Tree Queries data structures, probabilities, trees	2700	x1024
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1051
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x155
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x180
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x178
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x716
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x919
1190F	Tokitsukaze and Powers number theory, probabilities	3400	x85
1187F	Expected Square Beauty dp, math, probabilities	2500	x795
1172C2	Nauuo and Pictures (hard version) dp, probabilities	2600	x687
1172C1	Nauuo and Pictures (easy version) dp, probabilities	2300	x948
1156F	Card Bag dp, math, probabilities	2300	x1219
1153F	Serval and Bonus Problem combinatorics, dp, math, probabilities	2600	x717

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