Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
47:45:07
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Problems

#	Name
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6418
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9487
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5954
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1279
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1954
773A	Success Rate binary search, math	1700	x4458
772B	Volatile Kite geometry	1800	x3316
772A	Voltage Keepsake binary search, math	1800	x4365
771B	Bear and Different Names constructive algorithms, greedy	1500	x6922
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x15470
770D	Draw Brackets! *special problem, implementation	1400	x1577
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2656
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2824
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2354
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2305
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3813
768B	Code For 1 constructive algorithms, dfs and similar, divide and conquer	1600	x5997
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4444
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2486
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10610
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8284
762A	k-th divisor math, number theory	1400	x20064
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x4066
761C	Dasha and Password brute force, dp, implementation	1500	x5886
761B	Dasha and friends brute force, implementation, math	1300	x6875
760B	Frodo and pillows binary search, greedy	1500	x6625
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3885
757C	Felicity is Coming! data structures, hashing, sortings, strings	1900	x2373
757B	Bash's Big Day greedy, math, number theory	1400	x10305
756B	Travel Card binary search, dp	1600	x3594
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x3072
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x12531
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1210
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3084
750C	New Year and Rating binary search, greedy, math	1600	x6566
750B	New Year and North Pole geometry, implementation	1300	x9488
749C	Voting greedy, implementation, two pointers	1500	x5990
748C	Santa Claus and Robot constructive algorithms, math	1400	x4628
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5374
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1972
747D	Winter Is Coming dp, greedy, sortings	1800	x3267
747C	Servers implementation	1300	x4661
746E	Numbers Exchange greedy, implementation, math	1900	x1741
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5118
746C	Tram constructive algorithms, implementation, math	1600	x3732
745B	Hongcow Solves A Puzzle implementation	1400	x3746
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1781
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8443
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4373
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12362
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9308
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5276
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5437
740A	Alyona and copybooks brute force, implementation	1300	x8912
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4631
739A	Alyona and mex constructive algorithms, greedy	1700	x7883
735D	Taxes math, number theory	1600	x13594
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7535
734D	Anton and Chess implementation	1700	x3741
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5345
733D	Kostya the Sculptor data structures, hashing	1600	x4180
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3346
732D	Exams binary search, greedy, sortings	1700	x5561
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2877
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7032
730J	Bottles dp	1900	x3448
730H	Delete Them constructive algorithms, implementation	1300	x3055
730G	Car Repair Shop implementation	1600	x2185
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2490
730A	Toda 2 greedy, implementation	1800	x1589
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2237
729D	Sea Battle constructive algorithms, greedy, math	1700	x3771
729C	Road to Cinema binary search, greedy, sortings	1700	x3937
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1886
727C	Guess the Array constructive algorithms, interactive, math	1400	x7473
727B	Bill Total Value expression parsing, implementation, strings	1600	x1997
725D	Contest Balloons data structures, greedy	1800	x2810
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2648
724D	Dense Subsequence data structures, greedy, strings	1900	x2343
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2145
724B	Batch Sort brute force, greedy, implementation, math	1500	x4016
723D	Lakes in Berland dfs and similar, dsu, graphs, greedy, implementation	1600	x6974
723C	Polycarp at the Radio greedy	1600	x4698
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3190
722C	Destroying Array data structures, dsu	1600	x9477
722A	Broken Clock brute force, implementation	1300	x6643
721C	Journey dp, graphs	1800	x5907
719B	Anatoly and Cockroaches greedy	1400	x8499
718A	Efim and Strange Grade dp, implementation, math	1700	x4402
717E	Paint it really, really dark gray dfs and similar	1900	x1451
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1421
716B	Complete the Word greedy, two pointers	1300	x12236
715A	Plus and Square Root constructive algorithms, math	1600	x5625
713A	Sonya and Queries data structures, implementation	1400	x8501
712C	Memory and De-Evolution greedy, math	1600	x5850
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4494
711C	Coloring Trees dp	1700	x8263
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8422
710C	Magic Odd Square constructive algorithms, math	1500	x5130
710B	Optimal Point on a Line brute force, sortings	1400	x8799