Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
3 days
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Problems

#	Name
807A	Is it rated? implementation, sortings	900	x20494
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9626
802G	Fake News (easy) implementation, strings	800	x6931
799C	Fountains binary search, data structures, implementation	1800	x3754
799B	T-shirt buying data structures, implementation	1400	x8747
799A	Carrot Cakes brute force, implementation	1100	x18715
797B	Odd sum dp, greedy, implementation	1400	x10491
797A	k-Factorization implementation, math, number theory	1100	x15145
796B	Find The Bone implementation	1300	x9050
796A	Buying A House brute force, implementation	800	x12989
794A	Bank Robbery brute force, implementation	800	x6995
793C	Mice problem geometry, implementation, math, sortings	2300	x1250
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4424
793A	Oleg and shares implementation, math	900	x6752
792B	Counting-out Rhyme implementation	1300	x5979
792A	New Bus Route implementation, sortings	1100	x8907
791A	Bear and Big Brother implementation	800	x191888
789B	Masha and geometric depression brute force, implementation, math	1700	x4371
789A	Anastasia and pebbles implementation, math	1100	x9301
787B	Not Afraid greedy, implementation, math	1300	x5593
785A	Anton and Polyhedrons implementation, strings	800	x87855
784F	Crunching Numbers Just for You *special problem, implementation	1900	x1071
784E	Twisted Circuit *special problem, brute force, implementation	2000	x1943
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x456
784C	INTERCALC *special problem, implementation	1800	x722
780H	Intranet of Buses binary search, geometry, implementation, two pointers	3100	x118
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2894
780A	Andryusha and Socks implementation	800	x19407
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2306
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x4977
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6356
777A	Shell Game constructive algorithms, implementation, math	1000	x10262
776F	Sherlock's bet to Moriarty constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation, trees	2800	x438
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5892
776A	A Serial Killer brute force, implementation, strings	900	x12016
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1266
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1941
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4079
770D	Draw Brackets! *special problem, implementation	1400	x1569
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2614
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2812
770A	New Password *special problem, implementation	800	x19713
769A	Year of University Entrance *special problem, implementation, sortings	800	x5701
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3789
767A	Snacktower data structures, implementation	1100	x20085
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1275
765B	Code obfuscation greedy, implementation, strings	1100	x7103
765A	Neverending competitions implementation, math	900	x8982
764B	Timofey and cubes constructive algorithms, implementation	900	x11800
764A	Taymyr is calling you brute force, implementation, math	800	x16240
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x707
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10508
762D	Maximum path dp, greedy, implementation	2300	x1548
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8012
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x410
761C	Dasha and Password brute force, dp, implementation	1500	x5866
761B	Dasha and friends brute force, implementation, math	1300	x6841
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14468
760A	Petr and a calendar implementation, math	800	x8180
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3865
758B	Blown Garland brute force, implementation, number theory	1100	x10179
758A	Holiday Of Equality implementation, math	800	x60355
757A	Gotta Catch Em' All! implementation	1000	x11216
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x925
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7212
754A	Lesha and array splitting constructive algorithms, greedy, implementation	1200	x8658
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1190
750F	New Year and Finding Roots constructive algorithms, implementation, interactive, trees	2800	x482
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3077
750B	New Year and North Pole geometry, implementation	1300	x9465
750A	New Year and Hurry binary search, brute force, implementation, math	800	x74714
749C	Voting greedy, implementation, two pointers	1500	x5964
749A	Bachgold Problem greedy, implementation, math, number theory	800	x48848
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5320
748A	Santa Claus and a Place in a Class implementation, math	800	x8952
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1958
747C	Servers implementation	1300	x4626
747B	Mammoth's Genome Decoding implementation, strings	900	x8832
746E	Numbers Exchange greedy, implementation, math	1900	x1733
746C	Tram constructive algorithms, implementation, math	1600	x3708
746B	Decoding implementation, strings	900	x27672
746A	Compote implementation, math	800	x21294
745B	Hongcow Solves A Puzzle implementation	1400	x3735
745A	Hongcow Learns the Cyclic Shift implementation, strings	900	x10428
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14667
743A	Vladik and flights constructive algorithms, greedy, implementation	1200	x11022
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x42090
740A	Alyona and copybooks brute force, implementation	1300	x8893
735A	Ostap and Grasshopper implementation, strings	800	x12437
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1292
734D	Anton and Chess implementation	1700	x3721
734B	Anton and Digits brute force, greedy, implementation, math	800	x29167
734A	Anton and Danik implementation, strings	800	x149697
733A	Grasshopper And the String implementation	1000	x16119
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9689
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x71544
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2821
731A	Night at the Museum implementation, strings	800	x45365
730H	Delete Them constructive algorithms, implementation	1300	x2971
730G	Car Repair Shop implementation	1600	x2135