Problemset - Codeforces

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Codeforces Round (Div. 2)
7 days

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Problems

#	Name
978G	Petya's Exams greedy, implementation, sortings	1700	x4362
978F	Mentors binary search, data structures, implementation	1500	x8278
978E	Bus Video System combinatorics, math	1400	x9540
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8738
977F	Consecutive Subsequence dp	1700	x18911
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x20607
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18334
976C	Nested Segments greedy, implementation, sortings	1500	x6887
976B	Lara Croft and the New Game implementation, math	1300	x5721
975C	Valhalla Siege binary search	1400	x9641
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3082
965B	Battleship implementation	1300	x4571
964B	Messages math	1300	x4356
963A	Alternating Sum math, number theory	1800	x3300
962D	Merge Equals data structures, implementation	1600	x6875
962C	Make a Square brute force, implementation, math	1400	x7832
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7675
962A	Equator implementation	1300	x12799
961E	Tufurama data structures	1900	x3610
961C	Chessboard bitmasks, brute force, implementation	1400	x5298
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3929
960B	Minimize the error data structures, greedy, sortings	1500	x7962
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3435
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3090
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5777
958F2	Lightsabers (medium) binary search, two pointers	1800	x1232
958F1	Lightsabers (easy) implementation	1500	x1611
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1509
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2066
958A1	Death Stars (easy) implementation	1400	x1660
957A	Tritonic Iridescence implementation	1300	x5763
955B	Not simply beatiful strings implementation	1400	x4822
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6624
954C	Matrix Walk implementation	1700	x3783
954B	String Typing implementation, strings	1400	x7258
952D	I'm Feeling Lucky! probabilities	1800	x2443
952C	Ravioli Sort implementation	1600	x2906
952B	A Map of the Cat brute force, interactive	1900	x2047
949C	Data Center Maintenance dfs and similar, graphs	1900	x2048
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3727
949A	Zebras greedy	1600	x5362
946D	Timetable dp	1800	x4422
946C	String Transformation greedy, strings	1300	x8870
940D	Alena And The Heater binary search, implementation	1600	x3622
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5860
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8977
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3117
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7320
939C	Convenient For Everybody binary search, two pointers	1600	x4630
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3316
937B	Vile Grasshoppers brute force, math, number theory	1400	x6901
936A	Save Energy! binary search, implementation, math	1700	x4365
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2604
935C	Fifa and Fafa geometry	1600	x4738
934A	A Compatible Pair brute force, games	1400	x6985
933A	A Twisty Movement dp	1800	x4962
932C	Permutation Cycle brute force, constructive algorithms	1600	x4019
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x8107
931C	Laboratory Work implementation, math	1700	x3352
930C	Teodor is not a liar! data structures, dp	1900	x2118
930B	Game with String implementation, probabilities, strings	1600	x2658
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x7155
929C	Красивая команда *special problem, combinatorics, math	1700	x1154
929B	Места в самолёте *special problem, implementation	1300	x2044
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2499
928D	Autocompletion *special problem, strings, trees	1900	x812
928C	Dependency management *special problem, graphs, implementation	1900	x888
928B	Chat *special problem, dp	1400	x2535
926I	A Vital Problem	1700	x663
926G	Large Bouquets	1500	x1476
926E	Merge Equal Elements constructive algorithms, data structures	1900	x929
926D	Choose Place	1600	x914
926C	Is This a Zebra? implementation	1700	x1885
926B	Add Points math, number theory	1800	x1674
926A	2-3-numbers implementation, math	1300	x3756
925B	Resource Distribution binary search, implementation, sortings	1700	x2206
925A	Stairs and Elevators binary search	1600	x3465
924C	Riverside Curio data structures, dp, greedy	1700	x3843
924B	Three-level Laser binary search, greedy, two pointers	1600	x5277
924A	Mystical Mosaic greedy, implementation	1300	x5048
923C	Perfect Security data structures, greedy, strings, trees	1800	x4277
923B	Producing Snow binary search, data structures	1600	x7308
923A	Primal Sport math, number theory	1700	x5025
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4361
922C	Cave Painting brute force, number theory	1600	x7083
922B	Magic Forest brute force	1300	x8475
922A	Cloning Toys implementation	1300	x11534
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9179
919D	Substring dfs and similar, dp, graphs	1700	x9929
919C	Seat Arrangements brute force, implementation	1300	x8969
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3533
917A	The Monster dp, greedy, implementation, math	1800	x3511
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5092
915C	Permute Digits dp, greedy	1700	x7049
915B	Browser implementation	1300	x7738
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5288
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3745
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4733
913C	Party Lemonade bitmasks, dp, greedy	1600	x7915
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x12027