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
1198F	GCD Groups 2 greedy, number theory, probabilities	2900	x813
494C	Helping People dp, probabilities	2600	x828
1187F	Expected Square Beauty dp, math, probabilities	2500	x836
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x844
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x846
859D	Third Month Insanity dp, probabilities, trees	2100	x848
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x859
482C	Game with Strings bitmasks, dp, probabilities	2600	x870
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x888
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x890
895E	Eyes Closed data structures, probabilities	2300	x907
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x915
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x931
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x953
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x953
1194F	Crossword Expert combinatorics, dp, number theory, probabilities, two pointers	2400	x964
629E	Famil Door and Roads combinatorics, data structures, dfs and similar, dp, probabilities, trees	2300	x966
268E	Playlist math, probabilities, sortings	2100	x972
28C	Bath Queue combinatorics, dp, probabilities	2200	x980
1172C1	Nauuo and Pictures (easy version) dp, probabilities	2300	x983
398B	Painting The Wall dp, probabilities		x992
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x997
1295F	Good Contest combinatorics, dp, probabilities	2700	x1006
749E	Inversions After Shuffle data structures, probabilities	2400	x1024
444B	DZY Loves FFT probabilities	2300	x1031
641D	Little Artem and Random Variable dp, implementation, math, probabilities	2400	x1046
1948F	Rare Coins combinatorics, math, probabilities	2500	x1063
204C	Little Elephant and Furik and Rubik math, probabilities	2000	x1075
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1107
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x1109
1264C	Beautiful Mirrors with queries data structures, probabilities	2400	x1120
1254D	Tree Queries data structures, probabilities, trees	2700	x1128
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x1138
498B	Name That Tune dp, probabilities, two pointers	2400	x1147
1556F	Sports Betting bitmasks, combinatorics, dp, graphs, math, probabilities	2500	x1158
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1170
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1193
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1209
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1239
54C	First Digit Law dp, math, probabilities	2000	x1242
698C	LRU bitmasks, dp, math, probabilities	2400	x1273
1310D	Tourism dp, graphs, probabilities	2300	x1280
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1284
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1291
605E	Intergalaxy Trips probabilities, shortest paths	2700	x1315
109B	Lucky Probability brute force, probabilities	1900	x1319
1156F	Card Bag dp, math, probabilities	2300	x1325
1623D	Robot Cleaner Revisit implementation, math, probabilities	2300	x1347
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1356
261B	Maxim and Restaurant dp, math, probabilities	1900	x1360
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1387
452C	Magic Trick combinatorics, math, probabilities	2100	x1395
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1406
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x1475
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1492
1746F	Kazaee data structures, hashing, probabilities	2800	x1495
513C	Second price auction bitmasks, probabilities	2000	x1516
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1522
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1529
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1549
1096F	Inversion Expectation dp, math, probabilities	2300	x1563
1042E	Vasya and Magic Matrix dp, math, probabilities	2300	x1679
1278F	Cards combinatorics, dp, math, number theory, probabilities	2600	x1709
1418E	Expected Damage binary search, combinatorics, probabilities	2400	x1722
24D	Broken robot dp, math, probabilities	2400	x1784
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1805
30C	Shooting Gallery dp, probabilities	1800	x1847
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x1896
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x1931
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x1934
364D	Ghd brute force, math, probabilities	2900	x1950
1139D	Steps to One dp, math, number theory, probabilities	2300	x1972
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2043
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2075
167B	Wizards and Huge Prize dp, math, probabilities	1800	x2085
843B	Interactive LowerBound brute force, interactive, probabilities	2000	x2131
846F	Random Query data structures, math, probabilities, two pointers	1800	x2199
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2210
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2240
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2270
1039B	Subway Pursuit binary search, interactive, probabilities	2100	x2274
1305F	Kuroni and the Punishment math, number theory, probabilities	2500	x2327
1612E	Messages brute force, dp, greedy, probabilities, sortings	2000	x2386
952D	I'm Feeling Lucky! probabilities	1800	x2388
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2459
1824B2	LuoTianyi and the Floating Islands (Hard Version) combinatorics, dfs and similar, math, probabilities, trees	2300	x2471
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2483
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2513
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2529
77B	Falling Anvils math, probabilities	1800	x2537
1097D	Makoto and a Blackboard dp, math, number theory, probabilities	2200	x2556
930B	Game with String implementation, probabilities, strings	1600	x2587
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2647
768D	Jon and Orbs dp, math, probabilities	2200	x2749
840D	Destiny data structures, probabilities	2500	x2755
1114E	Arithmetic Progression binary search, interactive, number theory, probabilities	2200	x2769
1009E	Intercity Travelling combinatorics, math, probabilities	2000	x2882
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3133
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3178
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3197