Problemset - Codeforces

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Problems

#	Name
817D	Imbalanced Array data structures, divide and conquer, dsu, sortings	1900	x4400
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5560
814A	An abandoned sentiment from past constructive algorithms, greedy, implementation, sortings	900	x10248
812C	Sagheer and Nubian Market binary search, sortings	1500	x13142
811B	Vladik and Complicated Book implementation, sortings	1200	x6439
810B	Summer sell-off greedy, sortings	1300	x10901
809A	Do you want a date? implementation, math, sortings	1500	x4657
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5959
807A	Is it rated? implementation, sortings	900	x19480
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1257
802M	April Fools' Problem (easy) greedy, sortings	1200	x3020
798E	Mike and code of a permutation constructive algorithms, data structures, graphs, sortings	3000	x458
798D	Mike and distribution constructive algorithms, sortings	2400	x1847
797F	Mice and Holes data structures, dp, greedy, sortings	2600	x1084
794C	Naming Company games, greedy, sortings	1800	x3037
793C	Mice problem geometry, implementation, math, sortings	2300	x1230
792A	New Bus Route implementation, sortings	1100	x8744
785B	Anton and Classes greedy, sortings	1100	x10135
779C	Dishonest Sellers constructive algorithms, greedy, sortings	1200	x11629
778E	Selling Numbers dp, sortings	3000	x299
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3866
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9338
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1904
773E	Blog Post Rating data structures, sortings	3000	x316
769A	Year of University Entrance *special problem, implementation, sortings	800	x5571
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3771
768A	Oath of the Night's Watch constructive algorithms, sortings	900	x26150
767D	Cartons of milk binary search, data structures, greedy, sortings, two pointers	2100	x2194
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31117
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7501
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3942
757C	Felicity is Coming! data structures, hashing, sortings, strings	1900	x2306
755B	PolandBall and Game binary search, data structures, games, greedy, sortings, strings	1100	x10920
754D	Fedor and coupons binary search, data structures, greedy, sortings	2100	x2135
747D	Winter Is Coming dp, greedy, sortings	1800	x3009
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2050
735B	Urbanization greedy, number theory, sortings	1100	x8302
732E	Sockets greedy, sortings	2100	x1576
732D	Exams binary search, greedy, sortings	1700	x5403
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1147
729E	Subordinates constructive algorithms, data structures, graphs, greedy, sortings	1900	x2149
729C	Road to Cinema binary search, greedy, sortings	1700	x3847
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2111
723A	The New Year: Meeting Friends implementation, math, sortings	800	x70806
721B	Passwords implementation, math, sortings, strings	1100	x11974
720D	Slalom data structures, dp, sortings	3100	x224
717C	Potions Homework implementation, sortings	1200	x3865
714B	Filya and Homework implementation, sortings	1200	x14017
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x4782
710B	Optimal Point on a Line brute force, sortings	1400	x8528
709B	Checkpoints greedy, implementation, sortings	1500	x4702
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x854
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7716
685D	Kay and Eternity brute force, implementation, sortings	2600	x477
682B	Alyona and Mex sortings	1200	x11094
681E	Runaway to a Shadow geometry, sortings	2500	x451
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3422
670C	Cinema implementation, sortings	1300	x8920
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x576
659F	Polycarp and Hay dfs and similar, dsu, graphs, greedy, sortings	2000	x1750
659B	Qualifying Contest constructive algorithms, sortings	1300	x6176
653A	Bear and Three Balls brute force, implementation, sortings	900	x8004
652D	Nested Segments data structures, sortings	1800	x3795
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3093
652B	z-sort sortings	1000	x9846
651B	Beautiful Paintings greedy, sortings	1200	x11388
649E	Автобус binary search, data structures, greedy, sortings	2100	x103
649C	Печать условий constructive algorithms, greedy, sortings	1500	x439
648D	Собачки и миски data structures, greedy, sortings	1900	x221
648B	Собери стол constructive algorithms, sortings	800	x1211
644C	Hostname Aliases *special problem, binary search, data structures, implementation, sortings, strings	2100	x908
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x567
639D	Bear and Contribution data structures, greedy, sortings, two pointers	2400	x779
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x15051
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2633
632C	The Smallest String Concatenation sortings, strings	1700	x7229
631C	Report data structures, sortings	1700	x3740
624B	Making a String greedy, sortings	1100	x7847
622E	Ants in Leaves dfs and similar, greedy, sortings, trees	2200	x1985
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2663
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2171
612D	The Union of k-Segments greedy, sortings	1800	x3682
611E	New Year and Three Musketeers data structures, greedy, sortings	2400	x854
609A	USB Flash Drives greedy, implementation, sortings	800	x16815
600B	Queries about less or equal elements binary search, data structures, sortings, two pointers	1300	x27447
599C	Day at the Beach sortings	1600	x4569
598C	Nearest vectors geometry, sortings	2300	x4093
597B	Restaurant dp, greedy, sortings	1600	x4656
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x673
596C	Wilbur and Points combinatorics, greedy, sortings	1700	x2234
593B	Anton and Lines geometry, sortings	1600	x3941
581C	Developing Skills implementation, math, sortings	1400	x7246
580B	Kefa and Company binary search, sortings, two pointers	1500	x24940
579B	Finding Team Member brute force, implementation, sortings	1300	x5184
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3225
572B	Order Book data structures, greedy, implementation, sortings	1300	x6752
572A	Arrays sortings	900	x16281
571B	Minimization dp, greedy, sortings	2000	x2525
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4646
560A	Currency System in Geraldion implementation, sortings	1000	x16830