Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
01:39:55
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Problems

#	Name
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12786
1534B	Histogram Ugliness greedy, implementation, math	1100	x12495
1534A	Colour the Flag brute force, implementation	800	x12723
1533J	Pawns *special problem		x44
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x52
1533H	Submatrices *special problem, bitmasks, data structures, dp		x84
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x90
1533F	Binary String Partition *special problem, binary search, greedy		x215
1533E	Chess Team Forming *special problem, binary search, data structures, greedy		x275
1533D	String Searching *special problem, hashing		x441
1533C	Sweets *special problem, data structures, implementation		x471
1533B	Nearest Point Function *special problem, implementation		x767
1533A	Travel to Bertown *special problem, implementation, math		x1074
1532F	Prefixes and Suffixes *special problem, strings		x218
1532E	Good Array *special problem		x389
1532D	Teams Forming *special problem, sortings		x584
1532C	Uniform String *special problem, implementation		x638
1532B	Frog Jumping *special problem, math		x823
1532A	A+B (Trial Problem) *special problem		x1135
1531E3	Сортировка слиянием *special problem, binary search		x269
1531E2	Сортировка слиянием special problem, special problem, brute force		x334
1531E1	Сортировка слиянием *special problem		x358
1531D	Редактируем Зингер \| color special problem, special problem		x353
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x650
1531B2	Мониторинг *special problem		x767
1531B1	Мониторинг special problem, special problem		x1089
1531A	Зингер \| color *special problem, implementation		x1449
1530H	Turing's Award data structures, dp	3400	x156
1530G	What a Reversal constructive algorithms	3300	x144
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x788
1530E	Minimax constructive algorithms, greedy, strings	2100	x2963
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x9170
1530C	Pursuit binary search, brute force, greedy, sortings	1200	x14607
1530B	Putting Plates constructive algorithms, implementation	800	x15773
1530A	Binary Decimal greedy, math	800	x21037
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x20551
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x29722
1528F	AmShZ Farm combinatorics, fft, math	3300	x287
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x522
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x1429
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x2633
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x8680
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14628
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x2306
1527D	MEX Tree combinatorics, dfs and similar, implementation, math, trees	2400	x1901
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13492
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x7878
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x25945
1527A	And Then There Were K bitmasks	800	x35420
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x280
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x1049
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2470
1526C2	Potions (Hard Version) data structures, greedy	1600	x22468
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x22312
1526B	I Hate 1111 dp, math, number theory	1400	x30367
1526A	Mean Inequality constructive algorithms, sortings	800	x24140
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x328
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x2048
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9736
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x4453
1525B	Permutation Sort constructive algorithms, greedy	900	x24701
1525A	Potion-making math, number theory	800	x25346
1523H	Hopping Around the Array data structures, dp	3500	x244
1523G	Try Booking data structures, divide and conquer	3200	x463
1523F	Favorite Game bitmasks, dp	3300	x417
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x1653
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x2169
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8733
1523B	Lord of the Values constructive algorithms	1100	x12082
1523A	Game of Life implementation	800	x13476
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x671
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1934
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x4345
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x21304
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x36926
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x3685
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2998
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x11658
1520E	Arranging The Sheep greedy, math	1400	x21280
1520D	Same Differences data structures, hashing, math	1200	x46492
1520C	Not Adjacent Matrix constructive algorithms	1000	x31614
1520B	Ordinary Numbers brute force, math, number theory	800	x44249
1520A	Do Not Be Distracted! brute force, implementation	800	x51494
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x413
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x819
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x15176
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x16851
1519B	The Cake Is a Lie dp, math	800	x30749
1519A	Red and Blue Beans math	800	x28735
1517H	Fly Around the World dp, geometry	3500	x70
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x492
1517F	Reunion combinatorics, dp, trees	3200	x459
1517E	Group Photo binary search, data structures, implementation, two pointers	2500	x965
1517D	Explorer Space dp, graphs, shortest paths	1800	x7691
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13344
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13235
1517A	Sum of 2050 greedy, math	800	x25490
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x863
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x4334
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11910