Problemset - Codeforces

Problems

#	Name
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1444
716B	Complete the Word greedy, two pointers	1300	x12242
715A	Plus and Square Root constructive algorithms, math	1600	x5625
713A	Sonya and Queries data structures, implementation	1400	x8504
712C	Memory and De-Evolution greedy, math	1600	x5851
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4500
711C	Coloring Trees dp	1700	x8279
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8425
710C	Magic Odd Square constructive algorithms, math	1500	x5137
710B	Optimal Point on a Line brute force, sortings	1400	x8806
709B	Checkpoints greedy, implementation, sortings	1500	x4741
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3265
707C	Pythagorean Triples math, number theory	1500	x12698
707B	Bakery graphs	1300	x12991
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10215
706C	Hard problem dp, strings	1600	x16442
704A	Thor brute force, data structures, implementation	1600	x9346
703B	Mishka and trip implementation, math	1400	x5688
702D	Road to Post Office math	1900	x3376
702C	Cellular Network binary search, implementation, two pointers	1500	x15349
702B	Powers of Two brute force, data structures, implementation, math	1500	x11991
701C	They Are Everywhere binary search, strings, two pointers	1500	x15344
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4020
700A	As Fast As Possible binary search, math	1900	x3200
699B	One Bomb implementation	1400	x7614
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5759
698A	Vacations dp	1400	x30793
697B	Barnicle brute force, implementation, math, strings	1400	x5760
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3526
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6124
691E	Xor-sequences matrices	1900	x2557
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5559
691C	Exponential notation implementation, strings	1800	x2615
691B	s-palindrome implementation, strings	1600	x7446
690F1	Tree of Life (easy)	1300	x2173
690E1	Photographs (I)	1800	x677
690D2	The Wall (medium) combinatorics	1800	x1249
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3822
690C1	Brain Network (easy)	1300	x2780
690B1	Recover Polygon (easy)	1700	x941
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5394
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6022
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5274
687C	The Values You Can Make dp	1900	x5648
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5951
687A	NP-Hard Problem dfs and similar, graphs	1500	x14473
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x4168
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4252
683H	Exchange of Books *special problem	1900	x95
683G	The Fraction *special problem	1900	x130
683F	Reformat the String *special problem	1800	x146
683E	Hammer throwing *special problem	1800	x188
683D	Chocolate Bar *special problem, math	1400	x323
683C	Symmetric Difference *special problem	1600	x322
683B	The Teacher of Physical Education *special problem	1600	x317
682D	Alyona and Strings dp, strings	1900	x3337
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7288
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7820
681B	Economy Game brute force	1300	x8978
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x13167
678D	Iterated Linear Function math, number theory	1700	x4569
678C	Joty and Chocolate implementation, math, number theory	1600	x9563
678B	The Same Calendar implementation	1600	x4144
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6447
677B	Vanya and Food Processor implementation, math	1400	x7667
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19065
676B	Pyramid of Glasses implementation, math, math	1500	x5532
675D	Tree Construction data structures, trees	1800	x3818
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7425
673B	Problems for Round greedy, implementation	1300	x3524
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4193
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3241
670D2	Magic Powder - 2 binary search, implementation	1500	x14689
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x18294
670C	Cinema implementation, sortings	1300	x9205
666A	Reberland Linguistics dp, implementation, strings	1800	x3557
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3602
665C	Simple Strings dp, greedy, strings	1300	x10660
665B	Shopping brute force	1400	x3558
665A	Buses Between Cities implementation	1600	x2952
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3303
661F	Primes in Interval *special problem	1900	x351
661B	Seasons *special problem	1900	x228
661A	Lazy Caterer Sequence *special problem	1300	x638
660D	Number of Parallelograms geometry	1900	x4016
660C	Hard Process binary search, dp, two pointers	1600	x9550
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7492
659D	Bicycle Race geometry, implementation, math	1500	x6342
659B	Qualifying Contest constructive algorithms, sortings	1300	x6301
656G	You're a Professional *special problem	1900	x487
656F	Ace It! *special problem	1900	x910
656B	Scrambled *special problem, implementation	1700	x1655
656A	Da Vinci Powers *special problem	1900	x3624
653C	Bear and Up-Down brute force, implementation	1900	x1652
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x5018
652D	Nested Segments data structures, sortings	1800	x4038
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3256
652A	Gabriel and Caterpillar implementation, math	1400	x4790
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3358
650A	Watchmen data structures, geometry, math	1400	x15588