Problemset - Codeforces

Problems

#	Name
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x722
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1667
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1972
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x2025
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2428
632C	The Smallest String Concatenation sortings, strings	1700	x7978
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x4015
631C	Report data structures, sortings	1700	x3800
630Q	Pyramids geometry, math	1700	x1284
630M	Turn geometry, math	1800	x1184
630L	Cracking the Code implementation, math	1400	x3607
630K	Indivisibility math, number theory	1500	x5380
630I	Parking Lot combinatorics, math	1700	x6863
630H	Benches combinatorics, math	1400	x5042
630G	Challenge Pennants combinatorics, math	1600	x2803
627B	Factory Repairs data structures	1700	x2935
627A	XOR Equation dp, math	1700	x4248
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2767
626C	Block Towers brute force, greedy, math, number theory	1600	x4356
625A	Guest From the Past implementation, math	1700	x5424
623A	Graph and String constructive algorithms, graphs	1800	x4507
622C	Not Equal on a Segment data structures, implementation	1700	x6734
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5584
620C	Pearls in a Row greedy	1500	x6850
618C	Constellation geometry, implementation	1600	x4296
617D	Polyline constructive algorithms, implementation	1700	x4226
617C	Watering Flowers implementation	1600	x4881
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9723
616C	The Labyrinth dfs and similar	1600	x5709
615B	Longtail Hedgehog dp, graphs	1600	x5124
614B	Gena's Code implementation, math	1400	x6926
614A	Link/Cut Tree brute force, implementation	1500	x7486
612D	The Union of k-Segments greedy, sortings	1800	x3896
612C	Replace To Make Regular Bracket Sequence data structures, expression parsing, math	1400	x8190
611C	New Year and Domino dp, implementation	1500	x8509
610C	Harmony Analysis constructive algorithms	1800	x2886
609C	Load Balancing implementation, math	1500	x6664
608B	Hamming Distance Sum combinatorics, strings	1500	x6866
607A	Chain Reaction binary search, dp	1600	x9656
606B	Testing Robots implementation	1600	x2767
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3472
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7169
604B	More Cowbell binary search, greedy	1400	x8503
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2589
603A	Alternative Thinking dp, greedy, math	1600	x7697
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10941
601A	The Two Routes graphs, shortest paths	1600	x12095
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x6290
600A	Extract Numbers implementation, strings	1600	x5336
599C	Day at the Beach sortings	1600	x4670
599B	Spongebob and Joke implementation	1500	x4412
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x11239
597B	Restaurant dp, greedy, sortings	1600	x4881
597A	Divisibility math	1600	x4545
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2258
595B	Pasha and Phone binary search, math	1600	x2928
593B	Anton and Lines geometry, sortings	1600	x4061
592C	The Big Race math	1800	x3070
590A	Median Smoothing implementation	1700	x3983
587A	Duff and Weight Lifting greedy	1500	x7613
585B	Phillip and Trains dfs and similar, graphs, shortest paths	1700	x3580
585A	Gennady the Dentist brute force, implementation	1800	x4341
584D	Dima and Lisa brute force, math, number theory	1800	x9473
584C	Marina and Vasya constructive algorithms, greedy, strings	1700	x6257
584B	Kolya and Tanya combinatorics	1500	x12050
582A	GCD Table constructive algorithms, greedy, number theory	1700	x7821
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3774
581C	Developing Skills implementation, math, sortings	1400	x7338
580D	Kefa and Dishes bitmasks, dp	1800	x9934
580C	Kefa and Park dfs and similar, graphs, trees	1500	x43765
580B	Kefa and Company binary search, sortings, two pointers	1500	x26813
578B	"Or" Game brute force, greedy	1700	x5232
578A	A Problem about Polyline geometry, math	1700	x4773
576A	Vasya and Petya's Game math, number theory	1500	x14049
575H	Bots combinatorics, dp, math, number theory	1800	x1692
575D	Tablecity constructive algorithms, implementation	1700	x1878
574B	Bear and Three Musketeers brute force, dfs and similar, graphs, hashing	1500	x7828
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5960
570C	Replacement constructive algorithms, data structures, implementation	1600	x9188
569A	Music implementation, math	1500	x4818
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x5119
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4820
567C	Geometric Progression binary search, data structures, dp	1700	x9607
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3653
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10703
559A	Gerald's Hexagon brute force, geometry, math	1600	x10469
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7200
555A	Case of Matryoshkas implementation	1500	x6552
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8714
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3861
550C	Divisibility by Eight brute force, dp, math	1500	x28896
550B	Preparing Olympiad bitmasks, brute force	1400	x21632
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x38313
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8467
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11980
546C	Soldier and Cards brute force, dfs and similar, games	1400	x17707
545C	Woodcutters dp, greedy	1500	x28305
544B	Sea and Islands constructive algorithms, implementation	1400	x8036
543A	Writing Code dp	1800	x8012
540B	School Marks greedy, implementation	1700	x4711