Problemset - Codeforces

Problems

#	Name
784F	Crunching Numbers Just for You *special problem, implementation	1900	x1079
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x463
784C	INTERCALC *special problem, implementation	1800	x727
784A	Numbers Joke *special problem	1700	x3186
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2915
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x9162
780B	The Meeting Place Cannot Be Changed binary search	1600	x9829
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2329
778A	String Game binary search, greedy, strings	1700	x11672
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x5033
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6419
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9494
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5956
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1280
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1955
773A	Success Rate binary search, math	1700	x4483
772B	Volatile Kite geometry	1800	x3316
772A	Voltage Keepsake binary search, math	1800	x4368
771B	Bear and Different Names constructive algorithms, greedy	1500	x6929
771A	Bear and Friendship Condition dfs and similar, dsu, graphs	1500	x15481
770D	Draw Brackets! *special problem, implementation	1400	x1578
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2659
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2826
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2355
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x2307
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	x6004
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4497
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2486
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10638
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x8305
762A	k-th divisor math, number theory	1400	x20132
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x4068
761C	Dasha and Password brute force, dp, implementation	1500	x5887
761B	Dasha and friends brute force, implementation, math	1300	x6880
760B	Frodo and pillows binary search, greedy	1500	x6632
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	x10317
756B	Travel Card binary search, dp	1600	x3653
756A	Pavel and barbecue constructive algorithms, dfs and similar	1700	x3072
755C	PolandBall and Forest dfs and similar, dsu, graphs, interactive, trees	1300	x12574
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1212
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	x6569
750B	New Year and North Pole geometry, implementation	1300	x9493
749C	Voting greedy, implementation, two pointers	1500	x5991
748C	Santa Claus and Robot constructive algorithms, math	1400	x4633
748B	Santa Claus and Keyboard Check implementation, strings	1500	x5374
747E	Comments dfs and similar, expression parsing, implementation, strings	1700	x1974
747D	Winter Is Coming dp, greedy, sortings	1800	x3282
747C	Servers implementation	1300	x4666
746E	Numbers Exchange greedy, implementation, math	1900	x1742
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5123
746C	Tram constructive algorithms, implementation, math	1600	x3740
745B	Hongcow Solves A Puzzle implementation	1400	x3747
744B	Hongcow's Game bitmasks, divide and conquer, interactive	1900	x1782
744A	Hongcow Builds A Nation dfs and similar, graphs	1500	x8460
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4379
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12382
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9315
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5292
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5442
740A	Alyona and copybooks brute force, implementation	1300	x8917
739B	Alyona and a tree binary search, data structures, dfs and similar, graphs, trees	1900	x4670
739A	Alyona and mex constructive algorithms, greedy	1700	x7884
735D	Taxes math, number theory	1600	x13619
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7546
734D	Anton and Chess implementation	1700	x3744
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5347
733D	Kostya the Sculptor data structures, hashing	1600	x4182
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3348
732D	Exams binary search, greedy, sortings	1700	x5571
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2879
731C	Socks dfs and similar, dsu, graphs, greedy	1600	x7039
730J	Bottles dp	1900	x3458
730H	Delete Them constructive algorithms, implementation	1300	x3056
730G	Car Repair Shop implementation	1600	x2185
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2490
730A	Toda 2 greedy, implementation	1800	x1592
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2238
729D	Sea Battle constructive algorithms, greedy, math	1700	x3772
729C	Road to Cinema binary search, greedy, sortings	1700	x3939
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1887
727C	Guess the Array constructive algorithms, interactive, math	1400	x7500
727B	Bill Total Value expression parsing, implementation, strings	1600	x1998
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	x6975
723C	Polycarp at the Radio greedy	1600	x4705
722D	Generating Sets binary search, data structures, dfs and similar, greedy, strings, trees	1900	x3191
722C	Destroying Array data structures, dsu	1600	x9522
722A	Broken Clock brute force, implementation	1300	x6647
721C	Journey dp, graphs	1800	x5917
719B	Anatoly and Cockroaches greedy	1400	x8502
718A	Efim and Strange Grade dp, implementation, math	1700	x4404
717E	Paint it really, really dark gray dfs and similar	1900	x1451