Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
28:55:24
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Problems

#	Name
990A	Commentary Boxes implementation, math	1000	x10616
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x252
989D	A Shade of Moonlight binary search, geometry, math, sortings, two pointers	2500	x517
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3817
989B	A Tide of Riverscape constructive algorithms, strings	1200	x7062
989A	A Blend of Springtime implementation, strings	900	x10389
988F	Rain and Umbrellas dp	2100	x2336
988E	Divisibility by 25 brute force, greedy	2100	x3981
988D	Points and Powers of Two brute force, math	1800	x7330
988C	Equal Sums implementation, sortings	1400	x10262
988B	Substrings Sort sortings, strings	1100	x18534
988A	Diverse Team brute force, implementation	800	x25204
987C	Three displays brute force, dp, implementation	1400	x13611
987B	High School: Become Human math	1100	x11648
987A	Infinity Gauntlet implementation	800	x16627
986F	Oppa Funcan Style Remastered graphs, math, number theory, shortest paths	3300	x642
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x798
986D	Perfect Encoding fft, math	3100	x332
986C	AND Graph bitmasks, dfs and similar, dsu, graphs	2500	x2463
986B	Petr and Permutations combinatorics, math	1800	x4680
986A	Fair graphs, greedy, number theory, shortest paths	1600	x7009
985G	Team Players combinatorics	2700	x526
985F	Isomorphic Strings hashing, strings	2300	x1866
985E	Pencils and Boxes binary search, data structures, dp, greedy, two pointers	2100	x3678
985D	Sand Fortress binary search, constructive algorithms, math	2100	x2564
985C	Liebig's Barrels greedy	1500	x5778
985B	Switches and Lamps implementation	1200	x7400
985A	Chess Placing implementation	1100	x8167
984B	Minesweeper implementation	1100	x7372
984A	Game sortings	800	x19522
983E	NN country binary search, data structures, trees	2800	x946
983D	Arkady and Rectangles data structures	3300	x394
983C	Elevator dp, graphs, shortest paths	2400	x841
983B	XOR-pyramid dp	1800	x5567
983A	Finite or not? implementation, math	1700	x4555
982F	The Meeting Place Cannot Be Changed dfs and similar, graphs	2700	x195
982E	Billiard geometry, number theory	2600	x719
982D	Shark brute force, data structures, dsu, trees	1900	x2335
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11673
982B	Bus of Characters data structures, greedy, implementation	1300	x8310
982A	Row brute force, constructive algorithms	1200	x9097
981H	K Paths combinatorics, data structures, dp, fft, math	3100	x271
981G	Magic multisets data structures	2500	x692
981F	Round Marriage binary search, graph matchings, greedy	2500	x786
981E	Addition on Segments bitmasks, data structures, divide and conquer, dp	2200	x2121
981D	Bookshelves bitmasks, dp, greedy	1900	x3269
981C	Useful Decomposition implementation, trees	1400	x5493
981B	Businessmen Problems sortings	1000	x6984
981A	Antipalindrome brute force, implementation, strings	900	x9410
980F	Cactus to Tree dp, graphs, trees	2900	x197
980E	The Number Games data structures, greedy, trees	2200	x1943
980D	Perfect Groups dp, math, number theory	2100	x2717
980C	Posterized games, greedy	1700	x3794
980B	Marlin constructive algorithms	1600	x4701
980A	Links and Pearls implementation, math	900	x10441
979E	Kuro and Topological Parity dp	2400	x659
979D	Kuro and GCD and XOR and SUM binary search, bitmasks, brute force, data structures, dp, dsu, greedy, math, number theory, strings, trees	2200	x1841
979C	Kuro and Walking Route dfs and similar, trees	1600	x6346
979B	Treasure Hunt greedy	1800	x4434
979A	Pizza, Pizza, Pizza!!! math	1000	x13846
978G	Petya's Exams greedy, implementation, sortings	1700	x4387
978F	Mentors binary search, data structures, implementation	1500	x8329
978E	Bus Video System combinatorics, math	1400	x9596
978D	Almost Arithmetic Progression brute force, implementation, math	1500	x8811
978C	Letters binary search, implementation, two pointers	1000	x25867
978B	File Name greedy, strings	800	x36595
978A	Remove Duplicates implementation	800	x27321
977F	Consecutive Subsequence dp	1700	x19356
977E	Cyclic Components dfs and similar, dsu, graphs	1500	x20868
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x18474
977C	Less or Equal sortings	1200	x35182
977B	Two-gram implementation, strings	900	x39983
977A	Wrong Subtraction implementation	800	x170594
976F	Minimal k-covering flows, graphs	2500	x584
976E	Well played! greedy, sortings	2100	x2406
976D	Degree Set constructive algorithms, graphs, implementation	2500	x688
976C	Nested Segments greedy, implementation, sortings	1500	x6990
976B	Lara Croft and the New Game implementation, math	1300	x5728
976A	Minimum Binary Number implementation	800	x10557
975E	Hag's Khashba geometry	2600	x309
975D	Ghosts geometry, math	2000	x2219
975C	Valhalla Siege binary search	1400	x9714
975B	Mancala brute force, implementation	1100	x6869
975A	Aramic script implementation, strings	900	x9327
967B	Watering System math, sortings	1000	x7183
967A	Mind the Gap implementation	1100	x4374
965E	Short Code data structures, dp, greedy, strings, trees	2200	x1479
965D	Single-use Stones binary search, flows, greedy, two pointers	1900	x3116
965C	Greedy Arkady math	2000	x2114
965B	Battleship implementation	1300	x4576
965A	Paper Airplanes math	800	x9570
964B	Messages math	1300	x4366
964A	Splits math	800	x9709
963E	Circles of Waiting math	3100	x551
963D	Frequency of String hashing, string suffix structures, strings	2500	x2060
963C	Cutting Rectangle brute force, math, number theory	2600	x589
963B	Destruction of a Tree constructive algorithms, dfs and similar, dp, greedy, trees	2000	x2842
963A	Alternating Sum math, number theory	1800	x3329
962G	Visible Black Areas data structures, dsu, geometry, trees	2800	x183
962F	Simple Cycles Edges dfs and similar, graphs, trees	2400	x1346