Problemset - Codeforces

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Problems

#	Name
1486D	Max Median binary search, data structures, dp	2100	x6730
1787C	Remove the Bracket dp, greedy, math	1600	x6719
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6719
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6690
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6688
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6684
1155D	Beautiful Array brute force, data structures, divide and conquer, dp, greedy	1900	x6683
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6597
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6584
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6578
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6547
219C	Color Stripe brute force, dp, greedy	1600	x6544
1114D	Flood Fill dp	1900	x6529
626B	Cards constructive algorithms, dp, math	1300	x6512
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6484
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6461
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6455
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6417
407B	Long Path dp, implementation	1600	x6410
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6407
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6393
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6353
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6333
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6309
1283E	New Year Parties dp, greedy	1800	x6278
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6278
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6273
1861D	Sorting By Multiplication dp, greedy	1800	x6270
71C	Round Table Knights dp, math, number theory	1600	x6231
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x6204
165E	Compatible Numbers bitmasks, brute force, dfs and similar, dp	2200	x6198
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6184
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6166
1313C2	Skyscrapers (hard version) data structures, dp, greedy	1900	x6165
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x6148
269B	Greenhouse Effect dp	1700	x6120
505C	Mr. Kitayuta, the Treasure Hunter dfs and similar, dp, two pointers	1900	x6082
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6047
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x6024
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5999
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5997
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x5968
1512F	Education brute force, dp, greedy, implementation	1900	x5937
331C1	The Great Julya Calendar dp	1100	x5933
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x5917
1433F	Zero Remainder Sum dp	2100	x5842
1700D	River Locks binary search, dp, greedy, math	1900	x5836
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5833
761C	Dasha and Password brute force, dp, implementation	1500	x5830
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5824
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5765
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5731
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5723
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5699
106C	Buns dp	1700	x5695
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5673
721C	Journey dp, graphs	1800	x5672
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x5652
1969C	Minimizing the Sum dp, implementation	1700	x5640
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5631
1268B	Domino for Young dp, greedy, math	2000	x5618
798C	Mike and gcd problem dp, greedy, number theory	1700	x5592
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5571
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5539
1312E	Array Shrinking dp, greedy	2100	x5535
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5531
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5497
1427C	The Hard Work of Paparazzi dp	2000	x5476
478D	Red-Green Towers dp	2000	x5476
1499D	The Number of Pairs dp, math, number theory	2100	x5464
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5460
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5450
858C	Did you mean... dp, greedy, implementation	1500	x5445
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5419
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5391
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5391
628D	Magic Numbers dp	2200	x5383
1033C	Permutation Game brute force, dp, games	1600	x5376
1294F	Three Paths on a Tree dfs and similar, dp, greedy, trees	2000	x5353
234C	Weather dp, implementation	1300	x5337
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5329
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5291
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5288
859C	Pie Rules dp, games	1500	x5267
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5265
459E	Pashmak and Graph dp, sortings	1900	x5262
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5253
983B	XOR-pyramid dp	1800	x5244
1197D	Yet Another Subarray Problem dp, greedy, math	1900	x5237
1494C	1D Sokoban binary search, dp, greedy, implementation, two pointers	1900	x5230
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5204
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5197
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5183
540D	Bad Luck Island dp, probabilities	1900	x5166
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5140
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5133
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5129
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5125
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5124
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5114