Problemset - Codeforces

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Codeforces Round 997 (Div. 2)
38:34:11
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Problems

#	Name
1037B	Reach Median greedy	1300	x10448
1037A	Packets constructive algorithms, greedy, math	1300	x11272
1036D	Vasya and Arrays greedy, two pointers	1600	x9439
1036B	Diagonal Walking v.2 math	1600	x5731
1033C	Permutation Game brute force, dp, games	1600	x5662
1032C	Playing Piano constructive algorithms, dp	1700	x4034
1031C	Cram Time greedy	1600	x5369
1031B	Curiosity Has No Limits	1500	x3947
1030C	Vasya and Golden Ticket implementation	1300	x9500
1029C	Maximal Intersection greedy, math, sortings	1600	x7652
1029A	Many Equal Substrings implementation, strings	1300	x12473
1028C	Rectangles geometry, implementation, sortings	1600	x4640
1027D	Mouse Hunt dfs and similar, graphs	1700	x7616
1027C	Minimum Value Rectangle greedy	1600	x6931
1025C	Plasticine zebra constructive algorithms, implementation	1600	x6189
1025B	Weakened Common Divisor brute force, greedy, number theory	1600	x8018
1023D	Array Restoration constructive algorithms, data structures	1700	x4057
1019A	Elections brute force, greedy	1700	x4665
1017C	The Phone Number constructive algorithms, greedy	1600	x6061
1016B	Segment Occurrences brute force, implementation	1300	x9574
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5994
1015D	Walking Between Houses constructive algorithms, greedy	1600	x8356
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6454
1010A	Fly binary search, math	1500	x8120
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6296
1009C	Annoying Present greedy, math	1700	x5318
1009B	Minimum Ternary String greedy, implementation	1400	x10207
1007A	Reorder the Array combinatorics, data structures, math, sortings, two pointers	1300	x12251
1006E	Military Problem dfs and similar, graphs, trees	1600	x10127
1006D	Two Strings Swaps implementation	1700	x6046
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x10342
1005C	Summarize to the Power of Two brute force, greedy, implementation	1300	x11870
1004C	Sonya and Robots constructive algorithms, implementation	1400	x7578
1004B	Sonya and Exhibition constructive algorithms, greedy, implementation, math	1300	x9568
1003D	Coins and Queries greedy	1600	x7897
1003C	Intense Heat brute force, implementation, math	1300	x10720
1003B	Binary String Constructing constructive algorithms	1300	x11467
1002E1	Bernstein-Vazirani algorithm *special problem	1500	x323
1002D3	Oracle for majority function *special problem	1600	x335
1002D2	Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2 *special problem	1300	x384
1002C1	Distinguish zero state and plus state with minimum error *special problem	1700	x303
1002B4	Distinguish four 2-qubit states - 2 *special problem	1700	x311
1002B3	Distinguish four 2-qubit states *special problem	1600	x413
1002B2	Distinguish GHZ state and W state *special problem	1600	x448
1002B1	Distinguish zero state and W state *special problem	1300	x480
1002A3	Generate superposition of two basis states *special problem	1500	x478
1002A2	Generate superposition of zero state and a basis state *special problem	1300	x561
1001I	Deutsch-Jozsa algorithm *special problem	1700	x403
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x540
1001F	Distinguish multi-qubit basis states *special problem	1300	x542
1001E	Distinguish Bell states *special problem	1600	x559
1001D	Distinguish plus state and minus state *special problem	1400	x685
1001C	Generate GHZ state *special problem	1400	x657
1001B	Generate Bell state *special problem	1400	x714
1000C	Covered Points Count data structures, implementation, sortings	1700	x6935
1000B	Light It Up greedy	1500	x5937
997A	Convert to Ones brute force, greedy, implementation, math	1500	x8356
996B	World Cup binary search, math	1300	x9168
995B	Suit and Tie greedy, implementation, math	1400	x7131
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5768
993A	Two Squares geometry, implementation	1600	x4181
992C	Nastya and a Wardrobe math	1600	x4634
992B	Nastya Studies Informatics math, number theory	1600	x6341
991D	Bishwock dp, greedy	1500	x7276
991C	Candies binary search, implementation	1500	x10666
990D	Graph And Its Complement constructive algorithms, graphs, implementation	1700	x3875
990C	Bracket Sequences Concatenation Problem implementation	1500	x5964
988C	Equal Sums implementation, sortings	1400	x10350
987C	Three displays brute force, dp, implementation	1400	x13745
986A	Fair graphs, greedy, number theory, shortest paths	1600	x7103
985C	Liebig's Barrels greedy	1500	x5808
983A	Finite or not? implementation, math	1700	x4570
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11956
982B	Bus of Characters data structures, greedy, implementation	1300	x8432
981C	Useful Decomposition implementation, trees	1400	x5596
980C	Posterized games, greedy	1700	x3808
980B	Marlin constructive algorithms	1600	x4755
979C	Kuro and Walking Route dfs and similar, trees	1600	x6445
978G	Petya's Exams greedy, implementation, sortings	1700	x4438
978F	Mentors binary search, data structures, implementation	1500	x8459
978E	Bus Video System combinatorics, math	1400	x9700
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8965
977F	Consecutive Subsequence dp	1700	x20049
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x21364
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18723
976C	Nested Segments greedy, implementation, sortings	1500	x7231
976B	Lara Croft and the New Game implementation, math	1300	x5756
975C	Valhalla Siege binary search	1400	x9836
965B	Battleship implementation	1300	x4601
964B	Messages math	1300	x4392
962D	Merge Equals data structures, implementation	1600	x6988
962C	Make a Square brute force, implementation, math	1400	x7947
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7760
962A	Equator implementation	1300	x12899
961C	Chessboard bitmasks, brute force, implementation	1400	x5336
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3945
960B	Minimize the error data structures, greedy, sortings	1500	x8436
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5829
958F1	Lightsabers (easy) implementation	1500	x1702
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1559