Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x700
763B	Timofey and rectangles constructive algorithms, geometry	2100	x2572
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10067
762F	Tree nesting combinatorics, graphs, trees	2800	x344
762E	Radio stations binary search, data structures	2200	x1273
762D	Maximum path dp, greedy, implementation	2300	x1283
762C	Two strings binary search, hashing, strings, two pointers	2100	x2350
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7443
762A	k-th divisor math, number theory	1400	x17839
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x400
761E	Dasha and Puzzle constructive algorithms, dfs and similar, graphs, greedy, trees	2000	x1889
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3937
761C	Dasha and Password brute force, dp, implementation	1500	x5825
761B	Dasha and friends brute force, implementation, math	1300	x6797
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14319
760B	Frodo and pillows binary search, greedy	1500	x6034
760A	Petr and a calendar implementation, math	800	x7725
758F	Geometrical Progression brute force, math, number theory	2400	x613
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x437
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2680
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3817
758B	Blown Garland brute force, implementation, number theory	1100	x10021
758A	Holiday Of Equality implementation, math	800	x56869
757G	Can Bash Save the Day? data structures, divide and conquer, graphs, trees	3400	x476
757F	Team Rocket Rises Again data structures, graphs, shortest paths	2800	x1064
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1263
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1265
757C	Felicity is Coming! data structures, hashing, sortings, strings	1900	x2305
757B	Bash's Big Day greedy, math, number theory	1400	x9781
757A	Gotta Catch Em' All! implementation	1000	x11069
756F	Long number expression parsing, math, number theory	3400	x88
756E	Byteland coins combinatorics, dp, math	3200	x149
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x972
756C	Nikita and stack data structures	2200	x1274
756B	Travel Card binary search, dp	1600	x3296
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x2957
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x845
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1232
755E	PolandBall and White-Red graph constructive algorithms, graphs, shortest paths	2400	x806
755D	PolandBall and Polygon data structures	2000	x2464
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x11377
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10901
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x17485
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x478
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2129
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x897
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7138
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8524
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x278
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1170
753A	Santa Claus and Candies dp, greedy, math	1000	x8756
750H	New Year and Snowy Grid dfs and similar, dsu, graphs, interactive	3500	x186
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x438
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x460
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1462
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3054
750C	New Year and Rating binary search, greedy, math	1600	x6482
750B	New Year and North Pole geometry, implementation	1300	x9418
750A	New Year and Hurry binary search, brute force, implementation, math	800	x70338
749E	Inversions After Shuffle data structures, probabilities	2400	x1022
749D	Leaving Auction binary search, data structures	2000	x2469
749C	Voting greedy, implementation, two pointers	1500	x5905
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8353
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46216
748F	Santa Clauses and a Soccer Championship constructive algorithms, dfs and similar, graphs, trees	2300	x632
748E	Santa Claus and Tangerines binary search, data structures, greedy, two pointers	2100	x1439
748D	Santa Claus and a Palindrome constructive algorithms, data structures, greedy	2100	x1805
748C	Santa Claus and Robot constructive algorithms, math	1400	x4536
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5269
748A	Santa Claus and a Place in a Class implementation, math	800	x8634
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x408
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1937
747D	Winter Is Coming dp, greedy, sortings	1800	x2943
747C	Servers implementation	1300	x4464
747B	Mammoth's Genome Decoding implementation, strings	900	x8526
747A	Display Size brute force, math	800	x10025
746G	New Roads constructive algorithms, graphs, trees	2100	x1306
746F	Music in Car data structures, greedy, two pointers	2200	x720
746E	Numbers Exchange greedy, implementation, math	1900	x1708
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4972
746C	Tram constructive algorithms, implementation, math	1600	x3679
746B	Decoding implementation, strings	900	x26060
746A	Compote implementation, math	800	x20494
745B	Hongcow Solves A Puzzle implementation	1400	x3677
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10285
744E	Hongcow Masters the Cyclic Shift strings, two pointers	3200	x131
744D	Hongcow Draws a Circle geometry	3200	x115
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1000
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1706
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x7834
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1466
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4240
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11797
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14194
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10840
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9018
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x39617
741E	Arpa’s abnormal DNA and Mehrdad’s deep interest data structures, string suffix structures	3400	x169
741D	Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths data structures, dfs and similar, trees	2900	x2426
741C	Arpa’s overnight party and Mehrdad’s silent entering constructive algorithms, dfs and similar, graphs	2600	x2361