Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
36:18:53
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Problems

#	Name
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5317
1543B	Customising the Track combinatorics, greedy, math	900	x23221
1543A	Exciting Bets greedy, math, number theory	900	x28678
1542E2	Abnormal Permutation Pairs (hard version) combinatorics, dp, fft, math	2700	x866
1542E1	Abnormal Permutation Pairs (easy version) combinatorics, dp, fft, math	2400	x1254
1542D	Priority Queue combinatorics, dp, implementation, math, ternary search	2200	x2654
1542C	Strange Function math, number theory	1600	x14338
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x23337
1542A	Odd Set math	800	x45189
1541B	Pleasant Pairs brute force, implementation, math, number theory	1200	x28947
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x29502
1540E	Tasty Dishes math, matrices	3500	x107
1540D	Inverse Inversions binary search, brute force, data structures	3200	x281
1540C2	Converging Array (Hard Version) dp, math	2900	x470
1540C1	Converging Array (Easy Version) dp, math	2700	x638
1540B	Tree Array brute force, combinatorics, dp, graphs, math, probabilities, trees	2300	x2653
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x14009
1539F	Strange Array data structures, greedy, sortings	2600	x883
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x957
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11716
1539C	Stable Groups greedy, sortings	1200	x23250
1539B	Love Song dp, implementation, strings	800	x24666
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x20193
1538G	Gift Set binary search, greedy, math, ternary search	2100	x4580
1538F	Interesting Function binary search, dp, math, number theory	1500	x19431
1538E	Funny Substrings data structures, hashing, implementation, matrices, strings	2100	x2912
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13708
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x28895
1538B	Friends and Candies greedy, math	800	x31770
1538A	Stone Game brute force, dp, greedy	800	x37114
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x2491
1537E2	Erase and Extend (Hard Version) binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers	2200	x5253
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x13121
1537D	Deleting Divisors games, math, number theory	1700	x12495
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x27851
1537B	Bad Boy constructive algorithms, greedy, math	900	x30394
1537A	Arithmetic Array greedy, math	800	x37512
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x963
1536E	Omkar and Forest combinatorics, graphs, math, shortest paths	2300	x2445
1536D	Omkar and Medians data structures, greedy, implementation	2000	x4712
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x14273
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x19010
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20228
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x453
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x2782
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7793
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16587
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x30731
1535A	Fair Playoff brute force, implementation	800	x50154
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x151
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x573
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x564
1534F1	Falling Sand (Easy Version) dfs and similar, graphs, greedy	2500	x1253
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1955
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x6083
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12878
1534B	Histogram Ugliness greedy, implementation, math	1100	x12528
1534A	Colour the Flag brute force, implementation	800	x12771
1530H	Turing's Award data structures, dp	3400	x159
1530G	What a Reversal constructive algorithms	3300	x144
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x804
1530E	Minimax constructive algorithms, greedy, strings	2100	x2986
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x9280
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14708
1530B	Putting Plates constructive algorithms, implementation	800	x15808
1530A	Binary Decimal greedy, math	800	x21124
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20610
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29838
1528F	AmShZ Farm combinatorics, fft, math	3300	x289
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x533
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x1442
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x2661
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8752
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14966
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x2351
1527D	MEX Tree combinatorics, dfs and similar, implementation, math, trees	2400	x1922
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13641
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x7976
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x26432
1527A	And Then There Were K bitmasks	800	x35989
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x292
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x1060
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2483
1526C2	Potions (Hard Version) data structures, greedy	1600	x23083
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x22807
1526B	I Hate 1111 dp, math, number theory	1400	x31007
1526A	Mean Inequality constructive algorithms, sortings	800	x24242
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x332
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x2078
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9860
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4498
1525B	Permutation Sort constructive algorithms, greedy	900	x24972
1525A	Potion-making math, number theory	800	x25655
1523H	Hopping Around the Array data structures, dp	3500	x249
1523G	Try Booking data structures, divide and conquer	3200	x466
1523F	Favorite Game bitmasks, dp	3300	x431
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1696
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2185
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8805
1523B	Lord of the Values constructive algorithms	1100	x12120