Problemset - Codeforces

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Problems

#	Name
707C	Pythagorean Triples math, number theory	1500	x12612
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10019
706C	Hard problem dp, strings	1600	x16209
704A	Thor brute force, data structures, implementation	1600	x9243
703B	Mishka and trip implementation, math	1400	x5673
702C	Cellular Network binary search, implementation, two pointers	1500	x14774
702B	Powers of Two brute force, data structures, implementation, math	1500	x11784
701C	They Are Everywhere binary search, strings, two pointers	1500	x14980
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3951
699B	One Bomb implementation	1400	x7587
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5712
698A	Vacations dp	1400	x30106
697B	Barnicle brute force, implementation, math, strings	1400	x5708
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3481
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6061
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5504
691C	Exponential notation implementation, strings	1800	x2604
691B	s-palindrome implementation, strings	1600	x4808
690E1	Photographs (I)	1800	x675
690D2	The Wall (medium) combinatorics	1800	x1246
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3716
690B1	Recover Polygon (easy)	1700	x940
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5313
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x5707
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5255
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5841
687A	NP-Hard Problem dfs and similar, graphs	1500	x14312
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4227
683F	Reformat the String *special problem	1800	x146
683E	Hammer throwing *special problem	1800	x187
683D	Chocolate Bar *special problem, math	1400	x322
683C	Symmetric Difference *special problem	1600	x315
683B	The Teacher of Physical Education *special problem	1600	x317
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7211
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7704
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12970
678D	Iterated Linear Function math, number theory	1700	x4497
678C	Joty and Chocolate implementation, math, number theory	1600	x9394
678B	The Same Calendar implementation	1600	x4108
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6405
677B	Vanya and Food Processor implementation, math	1400	x7634
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18802
676B	Pyramid of Glasses implementation, math, math	1500	x5495
675D	Tree Construction data structures, trees	1800	x3785
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7378
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4183
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3212
670D2	Magic Powder - 2 binary search, implementation	1500	x14254
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x17686
666A	Reberland Linguistics dp, implementation, strings	1800	x3475
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3478
665B	Shopping brute force	1400	x3542
665A	Buses Between Cities implementation	1600	x2927
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3294
660C	Hard Process binary search, dp, two pointers	1600	x9334
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7448
659D	Bicycle Race geometry, implementation, math	1500	x6310
656B	Scrambled *special problem, implementation	1700	x1654
652D	Nested Segments data structures, sortings	1800	x3965
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3220
652A	Gabriel and Caterpillar implementation, math	1400	x4622
650A	Watchmen data structures, geometry, math	1400	x15458
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x356
649C	Печать условий constructive algorithms, greedy, sortings	1500	x455
649B	Этажи constructive algorithms	1400	x535
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2884
645C	Enduring Exodus binary search, two pointers	1600	x3257
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2699
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3168
643A	Bear and Colors implementation	1500	x4141
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3073
641B	Little Artem and Matrix implementation	1400	x3984
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6499
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x712
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1626
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1965
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x2003
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2423
632C	The Smallest String Concatenation sortings, strings	1700	x7749
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3991
631C	Report data structures, sortings	1700	x3789
630Q	Pyramids geometry, math	1700	x1266
630M	Turn geometry, math	1800	x1155
630L	Cracking the Code implementation, math	1400	x3560
630K	Indivisibility math, number theory	1500	x5251
630I	Parking Lot combinatorics, math	1700	x6706
630H	Benches combinatorics, math	1400	x4942
630G	Challenge Pennants combinatorics, math	1600	x2733
627B	Factory Repairs data structures	1700	x2928
627A	XOR Equation dp, math	1700	x4215
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2750
626C	Block Towers brute force, greedy, math, number theory	1600	x4335
625A	Guest From the Past implementation, math	1700	x5403
623A	Graph and String constructive algorithms, graphs	1800	x4469
622C	Not Equal on a Segment data structures, implementation	1700	x6545
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5454
620C	Pearls in a Row greedy	1500	x6698
618C	Constellation geometry, implementation	1600	x4237
617D	Polyline constructive algorithms, implementation	1700	x4202
617C	Watering Flowers implementation	1600	x4863