Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Problems

#	Name
939A	Love Triangle graphs	800	x25192
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x908
938F	Erasing Substrings bitmasks, dp, greedy	2700	x496
938E	Max History combinatorics, math	2300	x1306
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5669
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3316
938B	Run For Your Prize brute force, greedy	1100	x8826
938A	Word Correction implementation	800	x11433
937B	Vile Grasshoppers brute force, math, number theory	1400	x6901
937A	Olympiad implementation, sortings	800	x15155
936E	Iqea data structures, dfs and similar, divide and conquer, dsu, shortest paths, trees	3400	x188
936D	World of Tank dp, greedy	3000	x330
936C	Lock Puzzle constructive algorithms, implementation, strings	2300	x1174
936B	Sleepy Game dfs and similar, dp, games, graphs	2100	x3261
936A	Save Energy! binary search, implementation, math	1700	x4365
935F	Fafa and Array data structures, greedy	2600	x366
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x890
935D	Fafa and Ancient Alphabet math, probabilities	1900	x2604
935C	Fifa and Fafa geometry	1600	x4739
935B	Fafa and the Gates implementation	900	x11551
935A	Fafa and his Company brute force, implementation	800	x42889
934B	A Prosperous Lot constructive algorithms, implementation	1200	x8663
934A	A Compatible Pair brute force, games	1400	x6986
933E	A Preponderant Reunion constructive algorithms, dp	3200	x193
933D	A Creative Cutout brute force, combinatorics, math	2900	x331
933C	A Colourful Prospect geometry, graphs	2700	x578
933B	A Determined Cleanup math	2000	x1919
933A	A Twisty Movement dp	1800	x4964
932G	Palindrome Partition dp, string suffix structures, strings	2900	x930
932F	Escape Through Leaf data structures, dp, geometry	2700	x2899
932E	Team Work combinatorics, dp, math	2400	x2805
932D	Tree binary search, dp, trees	2200	x1717
932C	Permutation Cycle brute force, constructive algorithms	1600	x4019
932B	Recursive Queries binary search, data structures, dfs and similar	1300	x8107
932A	Palindromic Supersequence constructive algorithms	800	x10283
931C	Laboratory Work implementation, math	1700	x3352
931B	World Cup constructive algorithms, implementation	1200	x7104
931A	Friends Meeting brute force, greedy, implementation, math	800	x11927
930E	Coins Exhibition data structures, dp, math	2900	x434
930D	Game with Tokens data structures, games, implementation	2500	x404
930C	Teodor is not a liar! data structures, dp	1900	x2118
930B	Game with String implementation, probabilities, strings	1600	x2659
930A	Peculiar apple-tree dfs and similar, graphs, trees	1500	x7155
929D	Пограничные врата	2400	x152
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
928A	Login Verification *special problem, strings	1200	x3389
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
926J	Segments data structures	2100	x391
926I	A Vital Problem	1700	x663
926H	Endless Roses Most Beautiful	2200	x218
926G	Large Bouquets	1500	x1476
926F	Mobile Communications	2000	x229
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
925F	Parametric Circulation binary search, flows	3100	x112
925E	May Holidays data structures, trees	2900	x393
925D	Aztec Catacombs constructive algorithms	2600	x522
925C	Big Secret constructive algorithms, math	2200	x1307
925B	Resource Distribution binary search, implementation, sortings	1700	x2206
925A	Stairs and Elevators binary search	1600	x3465
924F	Minimal Subset Difference dp	3200	x209
924E	Wardrobe dp, greedy	2700	x516
924D	Contact ATC	2500	x868
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
923F	Public Service constructive algorithms, graphs, trees	3200	x75
923E	Perpetual Subtraction fft, math, matrices	3100	x452
923D	Picking Strings constructive algorithms, implementation, strings	2500	x1197
923C	Perfect Security data structures, greedy, strings, trees	1800	x4278
923B	Producing Snow binary search, data structures	1600	x7308
923A	Primal Sport math, number theory	1700	x5025
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x640
922E	Birds dp	2200	x2118
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4361
922C	Cave Painting brute force, number theory	1600	x7084
922B	Magic Forest brute force	1300	x8475
922A	Cloning Toys implementation	1300	x11534
92114	Labyrinth-14	3200
92113	Labyrinth-13	3200
92112	Labyrinth-12	3200
92111	Labyrinth-11	3200
92110	Labyrinth-10	3200
92109	Labyrinth-9	3200
92108	Labyrinth-8	3200
92107	Labyrinth-7	3200
92106	Labyrinth-6	3200
92105	Labyrinth-5	3200
92104	Labyrinth-4	3200
92103	Labyrinth-3	3200
92102	Labyrinth-2	3200
92101	Labyrinth-1	3200