Problemset - Codeforces

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Problems

#	Name
1004F	Sonya and Bitwise OR bitmasks, data structures, divide and conquer	2600	x741
1004E	Sonya and Ice Cream binary search, data structures, dp, greedy, shortest paths, trees	2400	x1054
1004D	Sonya and Matrix brute force, constructive algorithms, implementation	2300	x1422
1003F	Abbreviation dp, hashing, strings	2200	x1354
1003E	Tree Constructing constructive algorithms, graphs	2100	x2701
1003D	Coins and Queries greedy	1600	x7731
1002E2	Another array reconstruction algorithm	1900	x203
1002D3	Oracle for majority function	1600	x333
1002C2	Distinguish zero state and plus state without errors	1800	x267
1002C1	Distinguish zero state and plus state with minimum error	1700	x302
1002B4	Distinguish four 2-qubit states - 2	1700	x309
1002B3	Distinguish four 2-qubit states	1600	x411
1002B2	Distinguish GHZ state and W state	1600	x446
1002A4	Generate W state	1900	x267
1001I	Deutsch-Jozsa algorithm *special problem	1700	x401
1001E	Distinguish Bell states *special problem	1600	x558
1000G	Two-Paths data structures, dp, trees	2700	x596
1000F	One Occurrence data structures, divide and conquer	2400	x3809
1000E	We Need More Bosses dfs and similar, graphs, trees	2100	x4591
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x4186
1000C	Covered Points Count data structures, implementation, sortings	1700	x6717
999F	Cards and Joy dp	2000	x2660
999E	Reachability from the Capital dfs and similar, graphs, greedy	2000	x6611
999D	Equalize the Remainders data structures, greedy, implementation	1900	x4347
997E	Good Subsegments data structures	3000	x1232
997D	Cycles in product combinatorics, divide and conquer, trees	2900	x434
997C	Sky Full of Stars combinatorics, math	2500	x1706
997B	Roman Digits brute force, combinatorics, dp, greedy, math	2000	x2951
995F	Cowmpany Cowmpensation combinatorics, dp, math, trees	2700	x1232
995E	Number Clicker divide and conquer, graphs, meet-in-the-middle, number theory	2700	x659
995D	Game math	2500	x758
995C	Leaving the Bar brute force, data structures, geometry, greedy, math, sortings	2300	x1888
995A	Tesla constructive algorithms, implementation	2100	x1690
993F	The Moral Dilemma	3200	x60
993E	Nikita and Order Statistics chinese remainder theorem, fft, math	2300	x1412
993D	Compute Power binary search, dp, greedy	2500	x745
993C	Careful Maneuvering bitmasks, brute force, geometry	2100	x1693
993B	Open Communication bitmasks, brute force	1900	x1945
993A	Two Squares geometry, implementation	1600	x4137
992E	Nastya and King-Shamans binary search, data structures	2500	x1411
992D	Nastya and a Game brute force, implementation, math	2100	x1644
992C	Nastya and a Wardrobe math	1600	x4550
992B	Nastya Studies Informatics math, number theory	1600	x6245
991F	Concise and clear brute force, greedy, implementation, math	2700	x304
991E	Bus Number brute force, combinatorics, math	1800	x3482
990G	GCD Counting divide and conquer, dp, dsu, number theory, trees	2400	x1822
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x888
990E	Post Lamps brute force, greedy	2100	x2009
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3796
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x235
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x514
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3791
988F	Rain and Umbrellas dp	2100	x2312
988E	Divisibility by 25 brute force, greedy	2100	x3938
988D	Points and Powers of Two brute force, math	1800	x7242
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x610
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x791
986D	Perfect Encoding fft, math	3100	x328
986C	AND Graph bitmasks, dfs and similar, dsu, graphs	2500	x2439
986B	Petr and Permutations combinatorics, math	1800	x4639
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6857
985G	Team Players combinatorics	2700	x516
985F	Isomorphic Strings hashing, strings	2300	x1846
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3637
985D	Sand Fortress binary search, constructive algorithms, math	2100	x2545
983E	NN country binary search, data structures, trees	2800	x935
983D	Arkady and Rectangles data structures	3300	x388
983C	Elevator dp, graphs, shortest paths	2400	x827
983B	XOR-pyramid dp	1800	x5489
983A	Finite or not? implementation, math	1700	x4539
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2700	x190
982E	Billiard geometry, number theory	2600	x704
982D	Shark brute force, data structures, dsu, trees	1900	x2288
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x270
981G	Magic multisets data structures	2500	x683
981F	Round Marriage binary search, graph matchings, greedy	2500	x782
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x2085
981D	Bookshelves bitmasks, dp, greedy	1900	x3236
980F	Cactus to Tree dp, graphs, trees	2900	x196
980E	The Number Games data structures, greedy, trees	2200	x1919
980D	Perfect Groups dp, math, number theory	2100	x2659
980C	Posterized games, greedy	1700	x3777
980B	Marlin constructive algorithms	1600	x4680
979E	Kuro and Topological Parity dp	2400	x624
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1808
979C	Kuro and Walking Route dfs and similar, trees	1600	x6244
979B	Treasure Hunt greedy	1800	x4406
978G	Petya's Exams greedy, implementation, sortings	1700	x4339
977F	Consecutive Subsequence dp	1700	x18740
976F	Minimal k-covering flows, graphs	2500	x577
976E	Well played! greedy, sortings	2100	x2390
976D	Degree Set constructive algorithms, graphs, implementation	2500	x680
975E	Hag's Khashba geometry	2600	x305
975D	Ghosts geometry, math	2000	x2147
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1437
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3073
965C	Greedy Arkady math	2000	x2092
963E	Circles of Waiting math	3100	x547
963D	Frequency of String hashing, string suffix structures, strings	2500	x1971
963C	Cutting Rectangle brute force, math, number theory	2600	x569