Problemset - Codeforces

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Problems

#	Name
1003C	Intense Heat brute force, implementation, math	1300	x10450
1003B	Binary String Constructing constructive algorithms	1300	x11190
1002E2	Another array reconstruction algorithm	1900	x201
1002E1	Bernstein-Vazirani algorithm	1500	x320
1002D3	Oracle for majority function	1600	x331
1002D2	Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2	1300	x374
1002C2	Distinguish zero state and plus state without errors	1800	x265
1002C1	Distinguish zero state and plus state with minimum error	1700	x300
1002B4	Distinguish four 2-qubit states - 2	1700	x307
1002B3	Distinguish four 2-qubit states	1600	x409
1002B2	Distinguish GHZ state and W state	1600	x444
1002B1	Distinguish zero state and W state	1300	x474
1002A4	Generate W state	1900	x265
1002A3	Generate superposition of two basis states	1500	x473
1002A2	Generate superposition of zero state and a basis state	1300	x555
1001I	Deutsch-Jozsa algorithm *special problem	1700	x399
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x535
1001F	Distinguish multi-qubit basis states *special problem	1300	x534
1001E	Distinguish Bell states *special problem	1600	x556
1001D	Distinguish plus state and minus state *special problem	1400	x680
1001C	Generate GHZ state *special problem	1400	x651
1001B	Generate Bell state *special problem	1400	x709
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x4077
1000C	Covered Points Count data structures, implementation, sortings	1700	x6581
1000B	Light It Up greedy	1500	x5737
999D	Equalize the Remainders data structures, greedy, implementation	1900	x4298
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8267
996B	World Cup binary search, math	1300	x8952
995B	Suit and Tie greedy, implementation, math	1400	x7049
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5608
993B	Open Communication bitmasks, brute force	1900	x1939
993A	Two Squares geometry, implementation	1600	x3955
992C	Nastya and a Wardrobe math	1600	x4533
992B	Nastya Studies Informatics math, number theory	1600	x6215
991E	Bus Number brute force, combinatorics, math	1800	x3440
991D	Bishwock dp, greedy	1500	x7102
991C	Candies binary search, implementation	1500	x10199
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3772
990C	Bracket Sequences Concatenation Problem implementation	1500	x5837
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3757
988D	Points and Powers of Two brute force, math	1800	x7053
988C	Equal Sums implementation, sortings	1400	x10052
987C	Three displays brute force, dp, implementation	1400	x13288
986B	Petr and Permutations combinatorics, math	1800	x4610
986A	Fair graphs, greedy, number theory, shortest paths	1600	x6759
985C	Liebig's Barrels greedy	1500	x5734
983B	XOR-pyramid dp	1800	x5382
983A	Finite or not? implementation, math	1700	x4475
982D	Shark brute force, data structures, dsu, trees	1900	x2271
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11184
982B	Bus of Characters data structures, greedy, implementation	1300	x8240
981D	Bookshelves bitmasks, dp, greedy	1900	x3214
981C	Useful Decomposition implementation, trees	1400	x5295
980C	Posterized games, greedy	1700	x3756
980B	Marlin constructive algorithms	1600	x4658
979C	Kuro and Walking Route dfs and similar, trees	1600	x6169
979B	Treasure Hunt greedy	1800	x4384
978G	Petya's Exams greedy, implementation, sortings	1700	x4289
978F	Mentors binary search, data structures, implementation	1500	x8166
978E	Bus Video System combinatorics, math	1400	x9412
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8580
977F	Consecutive Subsequence dp	1700	x17731
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x19950
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18000
976C	Nested Segments greedy, implementation, sortings	1500	x6681
976B	Lara Croft and the New Game implementation, math	1300	x5683
975C	Valhalla Siege binary search	1400	x9477
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3051
965B	Battleship implementation	1300	x4505
964B	Messages math	1300	x4333
963A	Alternating Sum math, number theory	1800	x3263
962D	Merge Equals data structures, implementation	1600	x6768
962C	Make a Square brute force, implementation, math	1400	x7783
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7628
962A	Equator implementation	1300	x12692
961E	Tufurama data structures	1900	x3499
961C	Chessboard bitmasks, brute force, implementation	1400	x5268
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3899
960B	Minimize the error data structures, greedy, sortings	1500	x7670
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3358
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3068
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5731
958F2	Lightsabers (medium) binary search, two pointers	1800	x1216
958F1	Lightsabers (easy) implementation	1500	x1597
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1493
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2056
958A1	Death Stars (easy) implementation	1400	x1643
957A	Tritonic Iridescence implementation	1300	x5723
955B	Not simply beatiful strings implementation	1400	x4783
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6462
954C	Matrix Walk implementation	1700	x3756
954B	String Typing implementation, strings	1400	x7188
952D	I'm Feeling Lucky! probabilities	1800	x2423
952C	Ravioli Sort implementation	1600	x2891
952B	A Map of the Cat brute force, interactive	1900	x2033
949C	Data Center Maintenance dfs and similar, graphs	1900	x2003
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3705
949A	Zebras greedy	1600	x5278
946D	Timetable dp	1800	x4318
946C	String Transformation greedy, strings	1300	x8811