Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
14:34:50
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Problems

#	Name
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7215
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8668
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x291
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1190
753A	Santa Claus and Candies dp, greedy, math	1000	x9014
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x192
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x447
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x482
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1561
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3077
750C	New Year and Rating binary search, greedy, math	1600	x6547
750B	New Year and North Pole geometry, implementation	1300	x9465
750A	New Year and Hurry binary search, brute force, implementation, math	800	x74789
749E	Inversions After Shuffle data structures, probabilities	2400	x1051
749D	Leaving Auction binary search, data structures	2000	x2556
749C	Voting greedy, implementation, two pointers	1500	x5965
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8480
749A	Bachgold Problem greedy, implementation, math, number theory	800	x48884
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x646
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1465
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1857
748C	Santa Claus and Robot constructive algorithms, math	1400	x4604
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5335
748A	Santa Claus and a Place in a Class implementation, math	800	x8954
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x418
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1959
747D	Winter Is Coming dp, greedy, sortings	1800	x3241
747C	Servers implementation	1300	x4628
747B	Mammoth's Genome Decoding implementation, strings	900	x8835
747A	Display Size brute force, math	800	x10208
746G	New Roads constructive algorithms, graphs, trees	2100	x1509
746F	Music in Car data structures, greedy, two pointers	2200	x742
746E	Numbers Exchange greedy, implementation, math	1900	x1734
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5089
746C	Tram constructive algorithms, implementation, math	1600	x3708
746B	Decoding implementation, strings	900	x27706
746A	Compote implementation, math	800	x21305
745B	Hongcow Solves A Puzzle implementation	1400	x3736
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10434
744E	Hongcow Masters the Cyclic Shift strings, two pointers	3200	x135
744D	Hongcow Draws a Circle geometry	3200	x119
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1086
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1750
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8289
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1498
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4302
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12240
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14672
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x11028
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9225
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x42133
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x177
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2708
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2570
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5216
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5423
740B	Alyona and flowers constructive algorithms	1200	x8271
740A	Alyona and copybooks brute force, implementation	1300	x8896
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2157
739D	Recover a functional graph graph matchings	3400	x186
739C	Alyona and towers data structures	2500	x1506
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4577
739A	Alyona and mex constructive algorithms, greedy	1700	x7824
737F	Dirty plates constructive algorithms, math	3300	x70
737E	Tanya is 5! graph matchings, graphs, greedy, schedules	3300	x121
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x187
736D	Permutations math, matrices	2800	x459
735E	Ostap and Tree dp, trees	2500	x864
735D	Taxes math, number theory	1600	x13365
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7496
735B	Urbanization greedy, number theory, sortings	1100	x8375
735A	Ostap and Grasshopper implementation, strings	800	x12444
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1292
734E	Anton and Tree dfs and similar, dp, trees	2100	x4146
734D	Anton and Chess implementation	1700	x3722
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5322
734B	Anton and Digits brute force, greedy, implementation, math	800	x29176
734A	Anton and Danik implementation, strings	800	x149885
733F	Drivers Dissatisfaction data structures, dsu, graphs, trees	2200	x1110
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x893
733D	Kostya the Sculptor data structures, hashing	1600	x4166
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3339
733B	Parade math	1100	x10665
733A	Grasshopper And the String implementation	1000	x16125
732F	Tourist Reform dfs and similar, graphs	2300	x2514
732E	Sockets greedy, sortings	2100	x1604
732D	Exams binary search, greedy, sortings	1700	x5495
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9693
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24456
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x71621
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2822
731E	Funny Game dp, games	2200	x1656
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1167
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x6910
731B	Coupons and Discounts constructive algorithms, greedy	1100	x7952
731A	Night at the Museum implementation, strings	800	x45402
730L	Expression Queries data structures	3200	x86
730K	Roads Orientation Problem graphs	3200	x98
730J	Bottles dp	1900	x3357
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x2031