Problemset - Codeforces

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Problems

#	Name
873C	Strange Game On Matrix greedy, two pointers	1600	x3229
873B	Balanced Substring dp, implementation	1500	x7624
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4529
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4583
868B	Race Against Time implementation	1400	x3659
865A	Save the problem! constructive algorithms	1400	x4214
864D	Make a Permutation! greedy, implementation, math	1500	x5973
864C	Bus greedy, implementation, math	1500	x5843
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3191
863C	1-2-3 graphs, implementation	1800	x2462
863B	Kayaking brute force, greedy, sortings	1500	x7947
859C	Pie Rules dp, games	1500	x5327
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3750
858C	Did you mean... dp, greedy, implementation	1500	x5600
858B	Which floor? brute force, implementation	1500	x3713
856A	Set Theory brute force, constructive algorithms	1600	x1403
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8485
853B	Jury Meeting greedy, sortings, two pointers	1800	x2506
853A	Planning greedy	1500	x5819
852G	Bathroom terminal implementation	1700	x1278
851B	Arpa and an exam about geometry geometry, math	1400	x5469
850A	Five Dimensional Points brute force, geometry, math	1700	x3053
849B	Tell Your World brute force, geometry	1600	x3574
848A	From Y to Y constructive algorithms	1600	x5101
847K	Travel Cards greedy, implementation, sortings	1800	x1673
847H	Load Testing greedy	1600	x2378
847E	Packmen binary search, dp	1800	x2831
847C	Sum of Nestings constructive algorithms	1800	x2349
847B	Preparing for Merge Sort binary search, data structures	1600	x4777
847A	Union of Doubly Linked Lists implementation	1500	x3340
846F	Random Query data structures, math, probabilities, two pointers	1800	x2228
846C	Four Segments brute force, data structures, dp	1800	x2642
846B	Math Show brute force, greedy	1800	x2481
846A	Curriculum Vitae brute force, implementation	1500	x4188
845D	Driving Test data structures, dp, greedy	1800	x2349
845C	Two TVs data structures, greedy, sortings	1500	x8292
845B	Luba And The Ticket brute force, greedy, implementation	1600	x4970
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5588
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16369
838A	Binary Blocks brute force	1400	x914
837C	Two Seals brute force, implementation	1500	x3967
837B	Flag of Berland brute force, implementation	1600	x3910
835C	Star sky dp, implementation	1600	x7731
833A	The Meaningless Game math, number theory	1700	x6128
832B	Petya and Exam implementation, strings	1600	x4359
831C	Jury Marks brute force, constructive algorithms	1700	x4463
830B	Cards Sorting data structures, implementation, sortings	1600	x2817
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6781
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3452
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x4001
825D	Suitable Replacement binary search, greedy, implementation	1500	x3214
825C	Multi-judge Solving greedy, implementation	1600	x4447
825B	Five-In-a-Row brute force, implementation	1600	x4105
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x3026
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4555
821C	Okabe and Boxes data structures, greedy, trees	1500	x6736
818D	Multicolored Cars data structures, implementation	1700	x3435
818B	Permutation Game implementation	1600	x2993
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7200
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5637
816B	Karen and Coffee binary search, data structures, implementation	1400	x17188
815A	Karen and Game brute force, greedy, implementation	1700	x5596
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6450
813C	The Tag Game dfs and similar, graphs	1700	x5823
813B	The Golden Age brute force, math	1800	x3875
812C	Sagheer and Nubian Market binary search, sortings	1500	x13470
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5139
809A	Do you want a date? implementation, math, sortings	1500	x4681
808C	Tea Party constructive algorithms, greedy, sortings	1400	x6062
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9584
803A	Maximal Binary Matrix constructive algorithms	1400	x4775
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4423
802B	Heidi and Library (medium) data structures, greedy	1800	x1104
802A	Heidi and Library (easy) greedy	1800	x1352
799C	Fountains binary search, data structures, implementation	1800	x3693
799B	T-shirt buying data structures, implementation	1400	x8662
798C	Mike and gcd problem dp, greedy, number theory	1700	x5740
797C	Minimal string data structures, greedy, strings	1700	x6515
797B	Odd sum dp, greedy, implementation	1400	x10386
794C	Naming Company games, greedy, sortings	1800	x3073
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4398
789B	Masha and geometric depression brute force, implementation, math	1700	x4363
788A	Functions again dp, two pointers	1600	x9040
785C	Anton and Fairy Tale binary search, math	1600	x7285
784C	INTERCALC *special problem, implementation	1800	x710
784A	Numbers Joke *special problem	1700	x3162
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x9007
780B	The Meeting Place Cannot Be Changed binary search	1600	x9259
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2294
778A	String Game binary search, greedy, strings	1700	x11327
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x4961
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6326
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5851
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1262
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1934
773A	Success Rate binary search, math	1700	x4418
772B	Volatile Kite geometry	1800	x3155
772A	Voltage Keepsake binary search, math	1800	x4186
771B	Bear and Different Names constructive algorithms, greedy	1500	x6707
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x14998