Problemset - Codeforces

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Codeforces Round 997 (Div. 2)
41:47:10
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Problems

#	Name
750B	New Year and North Pole geometry, implementation	1300	x9518
749C	Voting greedy, implementation, two pointers	1500	x6033
748C	Santa Claus and Robot constructive algorithms, math	1400	x4657
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5401
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1980
747C	Servers implementation	1300	x4712
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5152
746C	Tram constructive algorithms, implementation, math	1600	x3755
745B	Hongcow Solves A Puzzle implementation	1400	x3768
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8556
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12493
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9388
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5335
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5460
740A	Alyona and copybooks brute force, implementation	1300	x8926
739A	Alyona and mex constructive algorithms, greedy	1700	x7918
735D	Taxes math, number theory	1600	x13898
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7578
734D	Anton and Chess implementation	1700	x3760
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5370
733D	Kostya the Sculptor data structures, hashing	1600	x4194
732D	Exams binary search, greedy, sortings	1700	x5606
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7089
730H	Delete Them constructive algorithms, implementation	1300	x3070
730G	Car Repair Shop implementation	1600	x2192
729D	Sea Battle constructive algorithms, greedy, math	1700	x3788
729C	Road to Cinema binary search, greedy, sortings	1700	x3961
727C	Guess the Array constructive algorithms, interactive, math	1400	x7638
727B	Bill Total Value expression parsing, implementation, strings	1600	x2027
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2699
724B	Batch Sort brute force, greedy, implementation, math	1500	x4025
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x7019
723C	Polycarp at the Radio greedy	1600	x4769
722C	Destroying Array data structures, dsu	1600	x9651
722A	Broken Clock brute force, implementation	1300	x6660
719B	Anatoly and Cockroaches greedy	1400	x8534
718A	Efim and Strange Grade dp, implementation, math	1700	x4407
716B	Complete the Word greedy, two pointers	1300	x12294
715A	Plus and Square Root constructive algorithms, math	1600	x5650
713A	Sonya and Queries data structures, implementation	1400	x8529
712C	Memory and De-Evolution greedy, math	1600	x5949
711C	Coloring Trees dp	1700	x8397
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8439
710C	Magic Odd Square constructive algorithms, math	1500	x5173
710B	Optimal Point on a Line brute force, sortings	1400	x8848
709B	Checkpoints greedy, implementation, sortings	1500	x4770
707C	Pythagorean Triples math, number theory	1500	x12782
707B	Bakery graphs	1300	x13016
706C	Hard problem dp, strings	1600	x16717
704A	Thor brute force, data structures, implementation	1600	x9444
703B	Mishka and trip implementation, math	1400	x5713
702C	Cellular Network binary search, implementation, two pointers	1500	x16382
702B	Powers of Two brute force, data structures, implementation, math	1500	x12188
701C	They Are Everywhere binary search, strings, two pointers	1500	x15846
699B	One Bomb implementation	1400	x7630
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5813
698A	Vacations dp	1400	x31336
697B	Barnicle brute force, implementation, math, strings	1400	x5789
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3550
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6159
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5600
691B	s-palindrome implementation, strings	1600	x7484
690F1	Tree of Life (easy)	1300	x2197
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3875
690C1	Brain Network (easy)	1300	x2818
690B1	Recover Polygon (easy)	1700	x944
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x5493
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x6079
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5298
687A	NP-Hard Problem dfs and similar, graphs	1500	x14636
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4295
683D	Chocolate Bar *special problem, math	1400	x333
683C	Symmetric Difference *special problem	1600	x328
683B	The Teacher of Physical Education *special problem	1600	x323
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7340
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x7982
681B	Economy Game brute force	1300	x9030
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x13555
678D	Iterated Linear Function math, number theory	1700	x4623
678C	Joty and Chocolate implementation, math, number theory	1600	x9812
678B	The Same Calendar implementation	1600	x4165
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6501
677B	Vanya and Food Processor implementation, math	1400	x7681
676C	Vasya and String binary search, dp, strings, two pointers	1500	x19352
676B	Pyramid of Glasses implementation, math, math	1500	x5559
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7451
673B	Problems for Round greedy, implementation	1300	x3538
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3256
670D2	Magic Powder - 2 binary search, implementation	1500	x15091
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x18833
670C	Cinema implementation, sortings	1300	x9283
665C	Simple Strings dp, greedy, strings	1300	x11059
665B	Shopping brute force	1400	x3579
665A	Buses Between Cities implementation	1600	x2974
661A	Lazy Caterer Sequence *special problem	1300	x640
660C	Hard Process binary search, dp, two pointers	1600	x9650
659E	New Reform data structures, dfs and similar, dsu, graphs, greedy	1600	x7534
659D	Bicycle Race geometry, implementation, math	1500	x6364
659B	Qualifying Contest constructive algorithms, sortings	1300	x6319
656B	Scrambled *special problem, implementation	1700	x1659