Problemset - Codeforces

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Problems

#	Name
915C	Permute Digits dp, greedy	1700	x6907
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3651
913C	Party Lemonade bitmasks, dp, greedy	1600	x7749
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x1992
909C	Python Indentation dp	1800	x4759
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3003
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5138
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3266
893D	Credit Card data structures, dp, greedy, implementation	1900	x2928
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7650
883I	Photo Processing binary search, dp	1900	x1897
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4365
864E	Fire dp, sortings	2000	x4136
855C	Helga Hufflepuff's Cup dp, trees	2000	x1984
852B	Neural Network country dp, matrices	2000	x1379
847E	Packmen binary search, dp	1800	x2746
846C	Four Segments brute force, data structures, dp	1800	x2614
845D	Driving Test data structures, dp, greedy	1800	x2333
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x3912
835C	Star sky dp, implementation	1600	x7652
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6603
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2966
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7065
814D	An overnight dance in discotheque dfs and similar, dp, geometry, greedy, trees	2000	x2125
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6321
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5077
811C	Vladik and Memorable Trip dp, implementation	1900	x3204
803E	Roma and Poker dp, graphs	2000	x2103
798C	Mike and gcd problem dp, greedy, number theory	1700	x5609
797E	Array Queries brute force, data structures, dp	2000	x4088
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x2979
792C	Divide by Three dp, greedy, math, number theory	2000	x4226
788A	Functions again dp, two pointers	1600	x8969
786A	Berzerk dfs and similar, dp, games	2000	x2308
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3872
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6283
774J	Stepan's Series *special problem, dp	2000	x353
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3771
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3272
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4321
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10143
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2688
756B	Travel Card binary search, dp	1600	x3318
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3056
747D	Winter Is Coming dp, greedy, sortings	1800	x3009
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4253
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5142
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5292
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3298
730J	Bottles dp	1900	x3161
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x1950
721C	Journey dp, graphs	1800	x5683
718A	Efim and Strange Grade dp, implementation, math	1700	x4324
711C	Coloring Trees dp	1700	x7827
710E	Generate a String dfs and similar, dp	2000	x4982
706C	Hard problem dp, strings	1600	x15669
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3787
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2052
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1809
687C	The Values You Can Make dp	1900	x4982
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x3790
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4145
682D	Alyona and Strings dp, strings	1900	x3174
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7011
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4108
666A	Reberland Linguistics dp, implementation, strings	1800	x3418
660C	Hard Process binary search, dp, two pointers	1600	x9085
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3309
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2768
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1953
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2567
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2657
629D	Babaei and Birthday Cake data structures, dp	2000	x3873
629C	Famil Door and Brackets dp, strings	2000	x2740
627A	XOR Equation dp, math	1700	x3956
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2652
621E	Wet Shark and Blocks dp, matrices	2000	x2733
615C	Running Track dp, greedy, strings, trees	2000	x2254
615B	Longtail Hedgehog dp, graphs	1600	x4970
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2173
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2516
607B	Zuma dp	1900	x11016
607A	Chain Reaction binary search, dp	1600	x9363
603A	Alternative Thinking dp, greedy, math	1600	x7551
598E	Chocolate Bar brute force, dp	2000	x4633
597C	Subsequences data structures, dp	1900	x4550
597B	Restaurant dp, greedy, sortings	1600	x4666
582B	Once Again... constructive algorithms, dp, matrices	1900	x3307
580D	Kefa and Dishes bitmasks, dp	1800	x9214
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11522
575H	Bots combinatorics, dp, math, number theory	1800	x1634
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5703
571B	Minimization dp, greedy, sortings	2000	x2527
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2219
567C	Geometric Progression binary search, data structures, dp	1700	x9292
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3942
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5391
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x8250
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11273
543A	Writing Code dp	1800	x7697