Problemset - Codeforces

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Before contest
Codeforces Round 941 (Div. 1)
4 days

Before contest
Codeforces Round 941 (Div. 2)
4 days

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Difficulty: —

implementation

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Problems

#	Name
807B	T-Shirt Hunt brute force, implementation	1300	x3526
807A	Is it rated? implementation, sortings	900	x19363
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9511
802G	Fake News (easy) implementation, strings	800	x6680
799C	Fountains binary search, data structures, implementation	1800	x3569
799B	T-shirt buying data structures, implementation	1400	x8357
799A	Carrot Cakes brute force, implementation	1100	x17794
797B	Odd sum dp, greedy, implementation	1400	x10128
797A	k-Factorization implementation, math, number theory	1100	x13883
796B	Find The Bone implementation	1300	x8944
796A	Buying A House brute force, implementation	800	x12815
794A	Bank Robbery brute force, implementation	800	x6906
793C	Mice problem geometry, implementation, math, sortings	2300	x1226
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4328
793A	Oleg and shares implementation, math	900	x6523
792B	Counting-out Rhyme implementation	1300	x5893
792A	New Bus Route implementation, sortings	1100	x8718
791A	Bear and Big Brother implementation	800	x177631
789B	Masha and geometric depression brute force, implementation, math	1700	x4341
789A	Anastasia and pebbles implementation, math	1100	x9211
787B	Not Afraid greedy, implementation, math	1300	x5567
785A	Anton and Polyhedrons implementation, strings	800	x81692
784F	Crunching Numbers Just for You *special problem, implementation	1900	x990
784E	Twisted Circuit *special problem, brute force, implementation	2000	x1869
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x423
784C	INTERCALC *special problem, implementation	1800	x671
780H	Intranet of Buses binary search, geometry, implementation, two pointers	3100	x116
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2838
780A	Andryusha and Socks implementation	800	x18498
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2253
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x4905
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6271
777A	Shell Game constructive algorithms, implementation, math	1000	x10032
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x412
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5738
776A	A Serial Killer brute force, implementation, strings	900	x11807
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1254
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1903
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4018
770D	Draw Brackets! *special problem, implementation	1400	x1567
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2522
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2715
770A	New Password *special problem, implementation	800	x18601
769A	Year of University Entrance *special problem, implementation, sortings	800	x5564
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
767A	Snacktower data structures, implementation	1100	x19160
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1246
765B	Code obfuscation greedy, implementation, strings	1100	x7015
765A	Neverending competitions implementation, math	900	x8845
764B	Timofey and cubes constructive algorithms, implementation	900	x11588
764A	Taymyr is calling you brute force, implementation, math	800	x16021
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x702
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10074
762D	Maximum path dp, greedy, implementation	2300	x1284
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7454
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x401
761C	Dasha and Password brute force, dp, implementation	1500	x5826
761B	Dasha and friends brute force, implementation, math	1300	x6798
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14321
760A	Petr and a calendar implementation, math	800	x7726
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3817
758B	Blown Garland brute force, implementation, number theory	1100	x10028
758A	Holiday Of Equality implementation, math	800	x56945
757A	Gotta Catch Em' All! implementation	1000	x11075
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x899
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7142
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8527
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1171
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x461
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3054
750B	New Year and North Pole geometry, implementation	1300	x9419
750A	New Year and Hurry binary search, brute force, implementation, math	800	x70444
749C	Voting greedy, implementation, two pointers	1500	x5906
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46262
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5269
748A	Santa Claus and a Place in a Class implementation, math	800	x8635
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1937
747C	Servers implementation	1300	x4466
747B	Mammoth's Genome Decoding implementation, strings	900	x8527
746E	Numbers Exchange greedy, implementation, math	1900	x1709
746C	Tram constructive algorithms, implementation, math	1600	x3681
746B	Decoding implementation, strings	900	x26092
746A	Compote implementation, math	800	x20516
745B	Hongcow Solves A Puzzle implementation	1400	x3702
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10288
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14196
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x10841
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x39673
740A	Alyona and copybooks brute force, implementation	1300	x8804
735A	Ostap and Grasshopper implementation, strings	800	x12273
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1277
734D	Anton and Chess implementation	1700	x3682
734B	Anton and Digits brute force, greedy, implementation, math	800	x28459
734A	Anton and Danik implementation, strings	800	x139099
733A	Grasshopper And the String implementation	1000	x15879
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9462
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x66842
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2749
731A	Night at the Museum implementation, strings	800	x42913
730H	Delete Them constructive algorithms, implementation	1300	x2915