Problemset - Codeforces

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Problems

#	Name
1234C	Pipes dp, implementation	1500	x12225
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12136
1215B	The Number of Products combinatorics, dp, implementation	1400	x12121
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12114
1276A	As Simple as One and Two dp, greedy	1400	x12050
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12007
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11897
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11889
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11883
1881E	Block Sequence dp	1500	x11869
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11865
1509C	The Sports Festival dp, greedy	1800	x11854
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11788
1842C	Tenzing and Balls dp	1500	x11769
1811E	Living Sequence binary search, dp, math, number theory	1500	x11619
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11589
1307C	Cow and Message brute force, dp, math, strings	1500	x11555
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11551
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11526
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11406
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11280
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11179
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11139
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11081
1398D	Colored Rectangles dp, greedy, sortings	1800	x11026
607B	Zuma dp	1900	x11017
1741E	Sending a Sequence Over the Network dp	1600	x10922
1461C	Random Events dp, math, probabilities	1500	x10869
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10867
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10782
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10710
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10690
1415C	Bouncing Ball brute force, dp, implementation	1400	x10673
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10638
1738C	Even Number Addicts dp, games, greedy, math	1500	x10611
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10596
1689C	Infected Tree dfs and similar, dp, trees	1600	x10549
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10517
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10508
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10505
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10480
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10457
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10413
1189C	Candies! data structures, dp, implementation, math	1400	x10380
628B	New Skateboard dp	1300	x10346
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10337
2B	The least round way dp, math	2000	x10257
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10182
797B	Odd sum dp, greedy, implementation	1400	x10177
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10160
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10158
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10145
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10137
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10124
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10114
1625C	Road Optimization dp	1700	x10096
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10074
1759E	The Humanoid brute force, dp, sortings	1500	x10048
877B	Nikita and string brute force, dp	1500	x9997
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9936
534B	Covered Path dp, greedy, math	1400	x9891
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9852
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9831
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9826
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9765
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9750
4D	Mysterious Present dp, sortings	1700	x9705
264B	Good Sequences dp, number theory	1500	x9680
891A	Pride brute force, dp, greedy, math, number theory	1500	x9645
1207C	Gas Pipeline dp, greedy	1500	x9589
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9516
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9493
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9490
1829G	Hits Different data structures, dp, implementation, math	1600	x9479
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9459
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9403
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9403
919D	Substring dfs and similar, dp, graphs	1700	x9382
607A	Chain Reaction binary search, dp	1600	x9365
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9351
1473D	Program data structures, dp, implementation, strings	1700	x9343
567C	Geometric Progression binary search, data structures, dp	1700	x9294
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9290
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9255
665C	Simple Strings dp, greedy, strings	1300	x9252
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9249
1498C	Planar Reflections brute force, data structures, dp	1600	x9215
580D	Kefa and Dishes bitmasks, dp	1800	x9215
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9152
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9149
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9143
660C	Hard Process binary search, dp, two pointers	1600	x9086
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x8975
788A	Functions again dp, two pointers	1600	x8969
1315B	Homecoming binary search, dp, greedy, strings	1300	x8968
870C	Maximum splitting dp, greedy, math, number theory	1300	x8965
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8872
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8856
753A	Santa Claus and Candies dp, greedy, math	1000	x8783
225C	Barcode dp, matrices	1700	x8780