Problemset - Codeforces

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Problems

#	Name
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5422
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5450
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5485
1082C	Multi-Subject Competition greedy, sortings	1600	x5507
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5509
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5522
994B	Knights of a Polygonal Table greedy, implementation, sortings	1400	x5537
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x5538
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5539
843A	Sorting by Subsequences dfs and similar, dsu, implementation, math, sortings	1400	x5548
817B	Makes And The Product combinatorics, implementation, math, sortings	1500	x5562
769A	Year of University Entrance *special problem, implementation, sortings	800	x5571
203C	Photographer greedy, sortings	1400	x5580
558E	A Simple Task data structures, sortings, strings	2300	x5600
1251D	Salary Changing binary search, greedy, sortings	1900	x5627
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5631
1424G	Years data structures, sortings	1300	x5647
1175D	Array Splitting greedy, sortings	1900	x5658
1102E	Monotonic Renumeration combinatorics, sortings	1700	x5661
525C	Ilya and Sticks greedy, math, sortings	1600	x5702
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5771
12C	Fruits greedy, implementation, sortings	1100	x5771
439D	Devu and his Brother binary search, sortings, ternary search, two pointers	1700	x5797
1801B	Buying gifts data structures, greedy, sortings	1800	x5808
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x5833
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5886
471B	MUH and Important Things implementation, sortings	1300	x5886
1156C	Match Points binary search, greedy, sortings, ternary search, two pointers	2000	x5895
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5960
291A	Spyke Talks *special problem, implementation, sortings	800	x5985
1154E	Two Teams data structures, implementation, sortings	1800	x6029
1307D	Cow and Fields binary search, data structures, dfs and similar, graphs, greedy, shortest paths, sortings	1900	x6030
1444B	Divide and Sum combinatorics, math, sortings	1900	x6046
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6105
1156B	Ugly Pairs dfs and similar, greedy, implementation, sortings, strings	1800	x6129
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6149
659B	Qualifying Contest constructive algorithms, sortings	1300	x6176
976C	Nested Segments greedy, implementation, sortings	1500	x6290
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6299
1971E	Find the Car binary search, math, sortings		x6344
166C	Median greedy, math, sortings	1500	x6350
257A	Sockets greedy, implementation, sortings	1100	x6382
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6403
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6407
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6431
1000C	Covered Points Count data structures, implementation, sortings	1700	x6433
811B	Vladik and Complicated Book implementation, sortings	1200	x6439
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6456
350C	Bombs greedy, implementation, sortings	1600	x6457
379C	New Year Ratings Change greedy, sortings	1400	x6493
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6547
169A	Chores sortings	800	x6564
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6579
381B	Sereja and Stairs greedy, implementation, sortings	1100	x6585
1213G	Path Queries divide and conquer, dsu, graphs, sortings, trees	1800	x6619
493C	Vasya and Basketball binary search, brute force, data structures, implementation, sortings, two pointers	1600	x6671
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6699
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6746
572B	Order Book data structures, greedy, implementation, sortings	1300	x6755
981B	Businessmen Problems sortings	1000	x6776
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6780
79B	Colorful Field implementation, sortings	1400	x6810
967B	Watering System math, sortings	1000	x6831
254A	Cards with Numbers constructive algorithms, sortings	1200	x6845
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6860
840A	Leha and Function combinatorics, greedy, math, number theory, sortings	1300	x6953
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x6979
234B	Reading sortings	1000	x6980
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7051
137C	History sortings	1500	x7061
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7079
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x7081
1121A	Technogoblet of Fire implementation, sortings	1100	x7099
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7101
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7115
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7205
1061B	Views Matter greedy, implementation, sortings	1400	x7219
632C	The Smallest String Concatenation sortings, strings	1700	x7231
581C	Developing Skills implementation, math, sortings	1400	x7246
1619D	New Year's Problem binary search, greedy, sortings	1800	x7265
1029C	Maximal Intersection greedy, math, sortings	1600	x7306
1420D	Rescue Nibel! combinatorics, data structures, sortings	1800	x7327
424B	Megacity binary search, greedy, implementation, sortings	1200	x7340
960B	Minimize the error data structures, greedy, sortings	1500	x7389
135A	Replacement greedy, implementation, sortings	1300	x7436
762B	USB vs. PS/2 greedy, implementation, sortings, two pointers	1400	x7501
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7502
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7516
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7548
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7562
1101C	Division and Union sortings	1500	x7572
863B	Kayaking brute force, greedy, sortings	1500	x7575
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7622
845A	Chess Tourney implementation, sortings	1100	x7633
1560E	Polycarp and String Transformation binary search, implementation, sortings, strings	1800	x7659
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7698
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x7716
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x7725
299A	Ksusha and Array brute force, number theory, sortings	1000	x7749
1165E	Two Arrays and Sum of Functions greedy, math, sortings	1600	x7804