Problemset - Codeforces

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Codeforces Round #726 (Div. 2)
3 days

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Problems

#	Name
1538G	Gift Set binary search, greedy, math, ternary search		x2203
1538F	Interesting Function binary search, dp, math, number theory		x8270
1538E	Funny Substrings data structures, hashing, implementation, strings		x1402
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory		x6608
1538C	Number of Pairs binary search, data structures, math, two pointers		x11977
1538B	Friends and Candies greedy, math		x18620
1538A	Stone Game brute force, greedy		x19340
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x421
1536E	Omkar and Forest combinatorics, graphs, math, shortest paths	2300	x1328
1536D	Omkar and Medians data structures, greedy, implementation	2000	x2848
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x7397
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x11124
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x14915
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x170
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x1469
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x4347
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x9027
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x17641
1535A	Fair Playoff brute force, implementation	800	x22553
1534H	Lost Nodes dp, graphs, interactive, sortings, trees		x26
1534G	A New Beginning data structures, dp, geometry		x81
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy		x137
1534F1	Falling Sand (Easy Version) dfs and similar, graphs, greedy		x500
1534E	Lost Array brute force, constructive algorithms, dp, flows, graphs, greedy, implementation, interactive, shortest paths		x857
1534D	Lost Tree constructive algorithms, interactive, trees		x3032
1534C	Little Alawn's Puzzle combinatorics, dfs and similar, dp, dsu, graphs, math		x6440
1534B	Histogram Ugliness greedy, implementation, math		x7578
1534A	Colour the Flag brute force, implementation		x9025
1531E3	Сортировка слиянием *special problem, binary search		x252
1531E2	Сортировка слиянием special problem, special problem, brute force		x319
1531E1	Сортировка слиянием *special problem		x344
1531D	Редактируем Зингер \| color special problem, special problem		x324
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x597
1531B2	Мониторинг *special problem		x678
1531B1	Мониторинг special problem, special problem		x955
1531A	Зингер \| color *special problem, implementation		x1148
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x14513
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x21361
1528F	AmShZ Farm combinatorics, fft, math	3300	x92
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x219
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x755
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x1373
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x5325
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x7826
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x854
1527D	MEX Tree combinatorics, dfs and similar, implementation, math, trees	2400	x1001
1527C	Sequence Pair Weight hashing, implementation, math	1600	x8123
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x5049
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x14146
1527A	And Then There Were K bitmasks	800	x20334
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x93
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x535
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x1557
1526C2	Potions (Hard Version) data structures, greedy	1600	x9263
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x10167
1526B	I Hate 1111 dp, math, number theory	1400	x12908
1526A	Mean Inequality constructive algorithms, sortings	800	x17720
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x168
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x1032
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x5571
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x2894
1525B	Permutation Sort constructive algorithms, greedy	900	x16070
1525A	Potion-making math, number theory	800	x18468
1523H	Hopping Around the Array data structures, dp	3500	x58
1523G	Try Booking data structures, divide and conquer	3200	x160
1523F	Favorite Game bitmasks, dp	3300	x137
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x758
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x1253
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x5849
1523B	Lord of the Values constructive algorithms	1100	x8725
1523A	Game of Life implementation	800	x10907
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x399
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1041
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3318
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x12624
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x19282
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x2172
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2007
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x6213
1520E	Arranging The Sheep greedy, math	1400	x11008
1520D	Same Differences data structures, hashing, math	1200	x17386
1520C	Not Adjacent Matrix constructive algorithms	1000	x18583
1520B	Ordinary Numbers brute force, math, number theory	800	x23726
1520A	Do Not Be Distracted! brute force, implementation	800	x27472
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x139
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x538
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x8227
1519C	Berland Regional brute force, data structures, greedy, number theory, sortings	1400	x9956
1519B	The Cake Is a Lie dp, math	800	x19446
1519A	Red and Blue Beans math	800	x20448
1517H	Fly Around the World dp, geometry	3500	x33
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x168
1517F	Reunion combinatorics, dp, trees	3200	x174
1517E	Group Photo binary search, data structures, implementation, two pointers	2500	x707
1517D	Explorer Space dp, graphs, shortest paths	1800	x4874
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x8675
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x9948
1517A	Sum of 2050 greedy, math	800	x18646
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x522
1516D	Cut binary search, data structures, dp, graphs, number theory, two pointers	2100	x2396

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