Problemset - Codeforces

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Problems

#	Name
1276A	As Simple as One and Two dp, greedy	1400	x12038
1945D	Seraphim the Owl dp, greedy	1300	x12031
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11985
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11957
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11876
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11855
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11834
1509C	The Sports Festival dp, greedy	1800	x11800
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11743
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11696
1881E	Block Sequence dp	1500	x11669
1842C	Tenzing and Balls dp	1500	x11656
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11552
1811E	Living Sequence binary search, dp, math, number theory	1500	x11540
1307C	Cow and Message brute force, dp, math, strings	1500	x11538
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11519
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11469
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11381
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11229
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11169
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11043
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11041
1398D	Colored Rectangles dp, greedy, sortings	1800	x10993
607B	Zuma dp	1900	x10948
1461C	Random Events dp, math, probabilities	1500	x10847
1741E	Sending a Sequence Over the Network dp	1600	x10797
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10795
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10715
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10682
1415C	Bouncing Ball brute force, dp, implementation	1400	x10651
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10629
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10610
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10587
1738C	Even Number Addicts dp, games, greedy, math	1500	x10540
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10490
1689C	Infected Tree dfs and similar, dp, trees	1600	x10485
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10435
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10429
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10421
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10401
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10371
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10315
628B	New Skateboard dp	1300	x10310
1189C	Candies! data structures, dp, implementation, math	1400	x10280
2B	The least round way dp, math	2000	x10221
797B	Odd sum dp, greedy, implementation	1400	x10148
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10134
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10115
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10104
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10088
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10087
1625C	Road Optimization dp	1700	x10050
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10041
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9993
877B	Nikita and string brute force, dp	1500	x9970
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9955
1759E	The Humanoid brute force, dp, sortings	1500	x9944
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9908
534B	Covered Path dp, greedy, math	1400	x9868
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9816
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9814
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9779
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9715
4D	Mysterious Present dp, sortings	1700	x9676
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9657
264B	Good Sequences dp, number theory	1500	x9620
891A	Pride brute force, dp, greedy, math, number theory	1500	x9604
1207C	Gas Pipeline dp, greedy	1500	x9536
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9480
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9426
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9410
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9407
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9381
1829G	Hits Different data structures, dp, implementation, math	1600	x9379
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9373
607A	Chain Reaction binary search, dp	1600	x9347
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9338
919D	Substring dfs and similar, dp, graphs	1700	x9319
1473D	Program data structures, dp, implementation, strings	1700	x9314
567C	Geometric Progression binary search, data structures, dp	1700	x9276
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9264
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9218
665C	Simple Strings dp, greedy, strings	1300	x9183
1498C	Planar Reflections brute force, data structures, dp	1600	x9176
580D	Kefa and Dishes bitmasks, dp	1800	x9170
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9132
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9126
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9069
660C	Hard Process binary search, dp, two pointers	1600	x9057
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9010
1315B	Homecoming binary search, dp, greedy, strings	1300	x8960
788A	Functions again dp, two pointers	1600	x8959
870C	Maximum splitting dp, greedy, math, number theory	1300	x8954
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x8944
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8859
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8846
753A	Santa Claus and Candies dp, greedy, math	1000	x8767
225C	Barcode dp, matrices	1700	x8756
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8698
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8685