Problemset - Codeforces

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Codeforces Round 1000 (Div. 2)
37:28:51
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Problems

#	Name
670B	Game of Robots implementation	1000	x11363
670A	Holidays brute force, constructive algorithms, greedy, math	900	x17214
669A	Little Artem and Presents math	800	x10961
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5659
667A	Pouring Rain geometry, math	1100	x8098
666E	Forensic Examination data structures, string suffix structures	3100	x1434
666D	Chain Reaction brute force, geometry	3000	x287
666C	Codeword combinatorics, strings	2500	x793
666B	World Tour graphs, shortest paths	2000	x2191
666A	Reberland Linguistics dp, implementation, strings	1800	x3597
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x636
665E	Beautiful Subarrays data structures, divide and conquer, strings, trees	2100	x3312
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3688
665C	Simple Strings dp, greedy, strings	1300	x11101
665B	Shopping brute force	1400	x3579
665A	Buses Between Cities implementation	1600	x2974
664A	Complicated GCD math, number theory	800	x18745
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3338
662E	To Hack or not to Hack brute force, dp, greedy	3100	x141
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1639
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x2077
662B	Graph Coloring dfs and similar, graphs	2200	x1522
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x497
661H	Rotate Matrix *special problem	2400	x69
661G	Hungarian Notation *special problem	2200	x57
661F	Primes in Interval *special problem	1900	x364
661E	Divisibility Check *special problem	2000	x86
661D	Maximal Difference *special problem	2100	x134
661C	Array Sum *special problem	2000	x134
661B	Seasons *special problem	1900	x230
661A	Lazy Caterer Sequence *special problem	1300	x640
660F	Bear and Bowling 4 binary search, data structures, divide and conquer, geometry, ternary search	2500	x1736
660E	Different Subsets For All Tuples combinatorics, math	2300	x1565
660D	Number of Parallelograms geometry	1900	x4045
660C	Hard Process binary search, dp, two pointers	1600	x9658
660B	Seating On Bus implementation	1000	x5457
660A	Co-prime Array greedy, implementation, math, number theory	1200	x9175
659G	Fence Divercity combinatorics, dp, number theory	2300	x1231
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1827
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7539
659D	Bicycle Race geometry, implementation, math	1500	x6367
659C	Tanya and Toys greedy, implementation	1200	x11526
659B	Qualifying Contest constructive algorithms, sortings	1300	x6320
659A	Round House implementation, math	1000	x16022
658A	Bear and Reverse Radewoosh implementation	800	x7157
656G	You're a Professional *special problem	1900	x487
656F	Ace It! *special problem	1900	x914
656E	Out of Controls *special problem	2000	x730
656D	Rosetta Problem *special problem	2100	x962
656C	Without Text *special problem	2000	x697
656B	Scrambled *special problem, implementation	1700	x1659
656A	Da Vinci Powers *special problem	1900	x3639
653G	Move by Prime combinatorics, math, number theory	3100	x565
653F	Paper task data structures, string suffix structures, strings	2600	x1007
653E	Bear and Forgotten Tree 2 dfs and similar, dsu, graphs, trees	2400	x1575
653D	Delivery Bears binary search, flows, graphs	2200	x2533
653C	Bear and Up-Down brute force, implementation	1900	x1657
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x5036
653A	Bear and Three Balls brute force, implementation, sortings	900	x8296
652F	Ants on a Circle constructive algorithms, math	2800	x560
652E	Pursuit For Artifacts dfs and similar, dsu, graphs, trees	2300	x2268
652D	Nested Segments data structures, sortings	1800	x4085
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3286
652B	z-sort sortings	1000	x10468
652A	Gabriel and Caterpillar implementation, math	1400	x4806
651B	Beautiful Paintings greedy, sortings	1200	x11668
651A	Joysticks dp, greedy, implementation, math	1100	x23164
650E	Clockwork Bomb data structures, dfs and similar, dsu, greedy, trees	3200	x610
650D	Zip-line binary search, data structures, dp, hashing	2600	x1398
650C	Table Compression dfs and similar, dp, dsu, graphs, greedy	2200	x2038
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3371
650A	Watchmen data structures, geometry, math	1400	x15743
649E	Автобус binary search, data structures, greedy, sortings	2100	x111
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x373
649C	Печать условий constructive algorithms, greedy, sortings	1500	x481
649B	Этажи constructive algorithms	1400	x560
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1413
648E	Собери число graphs, shortest paths	2300	x140
648D	Собачки и миски data structures, greedy, sortings	1900	x258
648C	Путь Робота constructive algorithms, dfs and similar, graphs	1100	x1072
648B	Собери стол constructive algorithms, sortings	800	x1667
648A	Наибольший подъем constructive algorithms, implementation	900	x776
645G	Armistice Area Apportionment binary search, geometry	3200	x116
645F	Cowslip Collections combinatorics, math, number theory	2500	x810
645E	Intellectual Inquiry dp, greedy, strings	2200	x1291
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2958
645C	Enduring Exodus binary search, two pointers	1600	x3449
645B	Mischievous Mess Makers greedy, math	1200	x3431
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3592
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x924
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2713
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4471
643G	Choosing Ads data structures	3200	x1030
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x728
643E	Bear and Destroying Subtrees dp, math, probabilities, trees	2700	x645
643D	Bearish Fanpages	2900	x317
643C	Levels and Regions dp	2400	x1421
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3214
643A	Bear and Colors implementation	1500	x4164
641G	Little Artem and Graph	2300	x92