Problemset - Codeforces

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Problems

#	Name
911D	Inversion Counting brute force, math	1800	x4593
911C	Three Garlands brute force, constructive algorithms	1400	x7026
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1801
910B	Door Frames greedy, implementation	1600	x1702
909C	Python Indentation dp	1800	x4897
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6910
907B	Tic-Tac-Toe implementation	1400	x4063
906A	Shockers implementation, strings	1600	x4124
901A	Hashing Trees constructive algorithms, trees	1500	x5110
900C	Remove Extra One brute force, data structures, math	1700	x4548
899D	Shovel Sale constructive algorithms, math	1800	x2752
898E	Squares and not squares constructive algorithms, greedy	1600	x4582
898D	Alarm Clock greedy	1600	x3895
898C	Phone Numbers implementation, strings	1400	x5276
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3448
895B	XK Segments binary search, math, sortings, two pointers	1700	x3533
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4464
891A	Pride brute force, dp, greedy, math, number theory	1500	x10141
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7201
888D	Almost Identity Permutations combinatorics, dp, math	1600	x8295
888C	K-Dominant Character binary search, implementation, two pointers	1400	x8222
887C	Solution for Cube brute force, implementation	1500	x2892
884C	Bertown Subway dfs and similar, greedy, math	1500	x4704
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1096
883H	Palindromic Cut brute force, implementation, strings	1800	x1614
883E	Field of Wonders implementation, strings	1500	x1898
878A	Short Program bitmasks, constructive algorithms	1600	x5467
877C	Slava and tanks constructive algorithms	1600	x5677
877B	Nikita and string brute force, dp	1500	x10402
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5186
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3139
873C	Strange Game On Matrix greedy, two pointers	1600	x3265
873B	Balanced Substring dp, implementation	1500	x7772
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4694
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4613
868B	Race Against Time implementation	1400	x3677
865A	Save the problem! constructive algorithms	1400	x4328
864D	Make a Permutation! greedy, implementation, math	1500	x5995
864C	Bus greedy, implementation, math	1500	x5854
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3243
863C	1-2-3 graphs, implementation	1800	x2493
863B	Kayaking brute force, greedy, sortings	1500	x8214
859C	Pie Rules dp, games	1500	x5386
858D	Polycarp's phone book data structures, implementation, sortings	1600	x3833
858C	Did you mean... dp, greedy, implementation	1500	x5619
858B	Which floor? brute force, implementation	1500	x3732
856A	Set Theory brute force, constructive algorithms	1600	x1431
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8603
853B	Jury Meeting greedy, sortings, two pointers	1800	x2522
853A	Planning greedy	1500	x5840
852G	Bathroom terminal implementation	1700	x1287
851B	Arpa and an exam about geometry geometry, math	1400	x5486
850A	Five Dimensional Points brute force, geometry, math	1700	x3193
849B	Tell Your World brute force, geometry	1600	x3640
848A	From Y to Y constructive algorithms	1600	x5121
847K	Travel Cards greedy, implementation, sortings	1800	x1683
847H	Load Testing greedy	1600	x2393
847E	Packmen binary search, dp	1800	x2963
847C	Sum of Nestings constructive algorithms	1800	x2366
847B	Preparing for Merge Sort binary search, data structures	1600	x4953
847A	Union of Doubly Linked Lists implementation	1500	x3366
846F	Random Query data structures, math, probabilities, two pointers	1800	x2252
846C	Four Segments brute force, data structures, dp	1800	x2670
846B	Math Show brute force, greedy	1800	x2510
846A	Curriculum Vitae brute force, implementation	1500	x4238
845D	Driving Test data structures, dp, greedy	1800	x2374
845C	Two TVs data structures, greedy, sortings	1500	x8558
845B	Luba And The Ticket brute force, greedy, implementation	1600	x5025
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5629
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16762
838A	Binary Blocks brute force	1400	x920
837C	Two Seals brute force, implementation	1500	x3997
837B	Flag of Berland brute force, implementation	1600	x3932
835C	Star sky dp, implementation	1600	x7882
833A	The Meaningless Game math, number theory	1700	x6178
832B	Petya and Exam implementation, strings	1600	x4379
831C	Jury Marks brute force, constructive algorithms	1700	x4533
830B	Cards Sorting data structures, implementation, sortings	1600	x2837
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x7001
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3512
827A	String Reconstruction data structures, greedy, sortings, strings	1700	x4038
825D	Suitable Replacement binary search, greedy, implementation	1500	x3268
825C	Multi-judge Solving greedy, implementation	1600	x4540
825B	Five-In-a-Row brute force, implementation	1600	x4254
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x3086
822C	Hacker, pack your bags! binary search, greedy, implementation, sortings	1600	x4585
821C	Okabe and Boxes data structures, greedy, trees	1500	x6800
818D	Multicolored Cars data structures, implementation	1700	x3469
818B	Permutation Game implementation	1600	x3013
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7350
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5717
816B	Karen and Coffee binary search, data structures, implementation	1400	x17846
815A	Karen and Game brute force, greedy, implementation	1700	x5621
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6582
813C	The Tag Game dfs and similar, graphs	1700	x5963
813B	The Golden Age brute force, math	1800	x3915
812C	Sagheer and Nubian Market binary search, sortings	1500	x13871
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5184
809A	Do you want a date? implementation, math, sortings	1500	x4692
808C	Tea Party constructive algorithms, greedy, sortings	1400	x6156