Problemset - Codeforces

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Problems

#	Name
1539F	Strange Array data structures, greedy, sortings	2600	x304
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, implementation	2500	x266
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x4746
1539C	Stable Groups greedy, sortings	1200	x8886
1539B	Love Song dp, implementation, strings	800	x11958
1539A	Contest Start combinatorics, geometry, greedy, math	1000	x10006
1538G	Gift Set binary search, greedy, math, ternary search	2100	x2535
1538F	Interesting Function binary search, dp, math, number theory	1500	x9051
1538E	Funny Substrings data structures, hashing, implementation, matrices, strings	2100	x1617
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x7221
1538C	Number of Pairs binary search, data structures, math, two pointers	1300	x12948
1538B	Friends and Candies greedy, math	800	x19861
1538A	Stone Game brute force, dp, greedy	800	x20690
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x1090
1537E2	Erase and Extend (Hard Version) binary search, data structures, greedy, hashing, string suffix structures, strings, two pointers	2200	x2423
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x6237
1537D	Deleting Divisors games, math, number theory	1700	x6292
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x12580
1537B	Bad Boy constructive algorithms, greedy, math	900	x16008
1537A	Arithmetic Array greedy, math	800	x19440
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x462
1536E	Omkar and Forest combinatorics, graphs, math, shortest paths	2300	x1426
1536D	Omkar and Medians data structures, greedy, implementation	2000	x3028
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x7814
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x11561
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x15501
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x182
1535E	Gold Transfer binary search, data structures, dp, greedy, interactive, trees	2200	x1568
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x4543
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x9347
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x18123
1535A	Fair Playoff brute force, implementation	800	x23241
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x54
1534G	A New Beginning data structures, dp, geometry, sortings	3300	x126
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy	3000	x215
1534F1	Falling Sand (Easy Version) dfs and similar, graphs, greedy	2500	x659
1534E	Lost Array graphs, greedy, interactive, shortest paths	2300	x1090
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x3550
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x7244
1534B	Histogram Ugliness greedy, implementation, math	1100	x8431
1534A	Colour the Flag brute force, implementation	800	x9883
1531E3	Сортировка слиянием *special problem, binary search		x253
1531E2	Сортировка слиянием special problem, special problem, brute force		x320
1531E1	Сортировка слиянием *special problem		x345
1531D	Редактируем Зингер \| color special problem, special problem		x327
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x598
1531B2	Мониторинг *special problem		x682
1531B1	Мониторинг special problem, special problem		x964
1531A	Зингер \| color *special problem, implementation		x1163
1529B	Sifid and Strange Subsequences greedy, math, sortings	1100	x14763
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x21696
1528F	AmShZ Farm combinatorics, fft, math	3300	x96
1528E	Mashtali and Hagh Trees combinatorics, dp, trees	2900	x230
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x780
1528C	Trees of Tranquillity data structures, dfs and similar, greedy, trees	2300	x1428
1528B	Kavi on Pairing Duty combinatorics, dp, math	1700	x5497
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x8015
1527E	Partition Game binary search, data structures, divide and conquer, dp	2500	x878
1527D	MEX Tree combinatorics, dfs and similar, implementation, math, trees	2400	x1026
1527C	Sequence Pair Weight hashing, implementation, math	1600	x8294
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x5153
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x14424
1527A	And Then There Were K bitmasks	800	x20665
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x98
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x558
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x1608
1526C2	Potions (Hard Version) data structures, greedy	1600	x9534
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x10454
1526B	I Hate 1111 dp, math, number theory	1400	x13227
1526A	Mean Inequality constructive algorithms, sortings	800	x18061
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x174
1525E	Assimilation IV combinatorics, dp, math, probabilities, two pointers	2100	x1065
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x5662
1525C	Robot Collisions data structures, greedy, implementation, sortings	2000	x2940
1525B	Permutation Sort constructive algorithms, greedy	900	x16338
1525A	Potion-making math, number theory	800	x18723
1523H	Hopping Around the Array data structures, dp	3500	x59
1523G	Try Booking data structures, divide and conquer	3200	x170
1523F	Favorite Game bitmasks, dp	3300	x149
1523E	Crypto Lights combinatorics, dp, math, probabilities	2600	x788
1523D	Love-Hate bitmasks, brute force, dp, probabilities	2400	x1290
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x5974
1523B	Lord of the Values constructive algorithms	1100	x8916
1523A	Game of Life implementation	800	x11094
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x409
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x1060
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x3353
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x12769
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x19627
1520G	To Go Or Not To Go? brute force, dfs and similar, graphs, greedy, implementation, shortest paths	2200	x2205
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x2025
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x6308
1520E	Arranging The Sheep greedy, math	1400	x11176
1520D	Same Differences data structures, hashing, math	1200	x17703
1520C	Not Adjacent Matrix constructive algorithms	1000	x18836
1520B	Ordinary Numbers brute force, math, number theory	800	x24057
1520A	Do Not Be Distracted! brute force, implementation	800	x27833
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x142
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x545
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x8347

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