Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
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	x7081
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7451
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12597
678D	Iterated Linear Function math, number theory	1700	x4448
678C	Joty and Chocolate implementation, math, number theory	1600	x9296
678B	The Same Calendar implementation	1600	x4069
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6339
677B	Vanya and Food Processor implementation, math	1400	x7582
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18467
676B	Pyramid of Glasses implementation, math, math	1500	x5474
675D	Tree Construction data structures, trees	1800	x3732
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7343
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4171
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3177
670D2	Magic Powder - 2 binary search, implementation	1500	x13700
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x16907
666A	Reberland Linguistics dp, implementation, strings	1800	x3435
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3330
665B	Shopping brute force	1400	x3508
665A	Buses Between Cities implementation	1600	x2901
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3276
660C	Hard Process binary search, dp, two pointers	1600	x9240
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7395
659D	Bicycle Race geometry, implementation, math	1500	x6242
656B	Scrambled *special problem, implementation	1700	x1645
652D	Nested Segments data structures, sortings	1800	x3900
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3148
652A	Gabriel and Caterpillar implementation, math	1400	x4591
650A	Watchmen data structures, geometry, math	1400	x15280
649D	Дефрагментация памяти constructive algorithms, greedy, implementation	1600	x346
649C	Печать условий constructive algorithms, greedy, sortings	1500	x443
649B	Этажи constructive algorithms	1400	x527
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2836
645C	Enduring Exodus binary search, two pointers	1600	x3193
644B	Processing Queries *special problem, constructive algorithms, data structures, two pointers	1700	x2631
643B	Bear and Two Paths constructive algorithms, graphs	1600	x3153
643A	Bear and Colors implementation	1500	x4125
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2896
641B	Little Artem and Matrix implementation	1400	x3840
639B	Bear and Forgotten Tree 3 constructive algorithms, graphs, trees	1600	x6459
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x704
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1551
638B	Making Genome in Berland *special problem, dfs and similar, strings	1500	x1954
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1984
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2415
632C	The Smallest String Concatenation sortings, strings	1700	x7515
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3944
631C	Report data structures, sortings	1700	x3764
630Q	Pyramids geometry, math	1700	x1252
630M	Turn geometry, math	1800	x1137
630L	Cracking the Code implementation, math	1400	x3527
630K	Indivisibility math, number theory	1500	x5182
630I	Parking Lot combinatorics, math	1700	x6542
630H	Benches combinatorics, math	1400	x4892
630G	Challenge Pennants combinatorics, math	1600	x2702
627B	Factory Repairs data structures	1700	x2746
627A	XOR Equation dp, math	1700	x4057
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2695
626C	Block Towers brute force, greedy, math, number theory	1600	x4316
625A	Guest From the Past implementation, math	1700	x5371
623A	Graph and String constructive algorithms, graphs	1800	x4420
622C	Not Equal on a Segment data structures, implementation	1700	x6347
621C	Wet Shark and Flowers combinatorics, math, number theory, probabilities	1700	x5388
620C	Pearls in a Row greedy	1500	x6588
618C	Constellation geometry, implementation	1600	x4209
617D	Polyline constructive algorithms, implementation	1700	x4180
617C	Watering Flowers implementation	1600	x4826
616D	Longest k-Good Segment binary search, data structures, two pointers	1600	x9070
616C	The Labyrinth dfs and similar	1600	x5479
615B	Longtail Hedgehog dp, graphs	1600	x5003
614B	Gena's Code implementation, math	1400	x6841
614A	Link/Cut Tree brute force, implementation	1500	x7425
612D	The Union of k-Segments greedy, sortings	1800	x3755
612C	Replace To Make Regular Bracket Sequence data structures, expression parsing, math	1400	x7861
611C	New Year and Domino dp, implementation	1500	x8406
610C	Harmony Analysis constructive algorithms	1800	x2811
609C	Load Balancing implementation, math	1500	x6421
608B	Hamming Distance Sum combinatorics, strings	1500	x6719
607A	Chain Reaction binary search, dp	1600	x9448
606B	Testing Robots implementation	1600	x2737
605B	Lazy Student constructive algorithms, data structures, graphs	1700	x3413
605A	Sorting Railway Cars constructive algorithms, greedy	1600	x7075
604B	More Cowbell binary search, greedy	1400	x8349
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2551
603A	Alternative Thinking dp, greedy, math	1600	x7599
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10639
601A	The Two Routes graphs, shortest paths	1600	x11658
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x5964
600A	Extract Numbers implementation, strings	1600	x5133
599C	Day at the Beach sortings	1600	x4609
599B	Spongebob and Joke implementation	1500	x4352
598D	Igor In the Museum dfs and similar, graphs, shortest paths	1700	x10777
597B	Restaurant dp, greedy, sortings	1600	x4724
597A	Divisibility math	1600	x4450
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2242
595B	Pasha and Phone binary search, math	1600	x2902
593B	Anton and Lines geometry, sortings	1600	x3962
592C	The Big Race math	1800	x3052