Problemset - Codeforces

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Problems

#	Name
747D	Winter Is Coming dp, greedy, sortings	1800	x3304
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5145
746C	Tram constructive algorithms, implementation, math	1600	x3747
745B	Hongcow Solves A Puzzle implementation	1400	x3764
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8531
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4406
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12473
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9365
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5319
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5453
739A	Alyona and mex constructive algorithms, greedy	1700	x7910
735D	Taxes math, number theory	1600	x13850
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7572
734D	Anton and Chess implementation	1700	x3754
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5367
733D	Kostya the Sculptor data structures, hashing	1600	x4192
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3365
732D	Exams binary search, greedy, sortings	1700	x5600
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7073
730G	Car Repair Shop implementation	1600	x2191
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2506
730A	Toda 2 greedy, implementation	1800	x1603
729D	Sea Battle constructive algorithms, greedy, math	1700	x3782
729C	Road to Cinema binary search, greedy, sortings	1700	x3949
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1895
727C	Guess the Array constructive algorithms, interactive, math	1400	x7597
727B	Bill Total Value expression parsing, implementation, strings	1600	x2006
725D	Contest Balloons data structures, greedy	1800	x2819
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2690
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2147
724B	Batch Sort brute force, greedy, implementation, math	1500	x4022
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x7014
723C	Polycarp at the Radio greedy	1600	x4752
722C	Destroying Array data structures, dsu	1600	x9628
721C	Journey dp, graphs	1800	x5952
719B	Anatoly and Cockroaches greedy	1400	x8529
718A	Efim and Strange Grade dp, implementation, math	1700	x4407
715A	Plus and Square Root constructive algorithms, math	1600	x5649
713A	Sonya and Queries data structures, implementation	1400	x8527
712C	Memory and De-Evolution greedy, math	1600	x5886
711C	Coloring Trees dp	1700	x8371
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8438
710C	Magic Odd Square constructive algorithms, math	1500	x5167
710B	Optimal Point on a Line brute force, sortings	1400	x8839
709B	Checkpoints greedy, implementation, sortings	1500	x4768
707C	Pythagorean Triples math, number theory	1500	x12757
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10339
706C	Hard problem dp, strings	1600	x16668
704A	Thor brute force, data structures, implementation	1600	x9419
703B	Mishka and trip implementation, math	1400	x5710
702C	Cellular Network binary search, implementation, two pointers	1500	x16232
702B	Powers of Two brute force, data structures, implementation, math	1500	x12156
701C	They Are Everywhere binary search, strings, two pointers	1500	x15676
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4098
699B	One Bomb implementation	1400	x7628
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5805
698A	Vacations dp	1400	x31182
697B	Barnicle brute force, implementation, math, strings	1400	x5771
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3534
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6141
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5584
691C	Exponential notation implementation, strings	1800	x2630
691B	s-palindrome implementation, strings	1600	x7472
690E1	Photographs (I)	1800	x680
690D2	The Wall (medium) combinatorics	1800	x1252
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3867
690B1	Recover Polygon (easy)	1700	x943
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5458
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6076
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5295
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5978
687A	NP-Hard Problem dfs and similar, graphs	1500	x14593
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4293
683F	Reformat the String *special problem	1800	x151
683E	Hammer throwing *special problem	1800	x193
683D	Chocolate Bar *special problem, math	1400	x331
683C	Symmetric Difference *special problem	1600	x327
683B	The Teacher of Physical Education *special problem	1600	x322
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7329
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7969
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x13497
678D	Iterated Linear Function math, number theory	1700	x4614
678C	Joty and Chocolate implementation, math, number theory	1600	x9778
678B	The Same Calendar implementation	1600	x4163
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6485
677B	Vanya and Food Processor implementation, math	1400	x7681
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19293
676B	Pyramid of Glasses implementation, math, math	1500	x5557
675D	Tree Construction data structures, trees	1800	x3827
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7444
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4212
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3254
670D2	Magic Powder - 2 binary search, implementation	1500	x15023
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x18711
666A	Reberland Linguistics dp, implementation, strings	1800	x3590
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3668
665B	Shopping brute force	1400	x3573
665A	Buses Between Cities implementation	1600	x2971
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3310
660C	Hard Process binary search, dp, two pointers	1600	x9619