Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
21:27:30
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Codeforces Round 941 (Div. 2)
21:27:30
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Problems

#	Name
1276A	As Simple as One and Two dp, greedy	1400	x12027
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11967
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11852
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11822
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11818
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11804
1509C	The Sports Festival dp, greedy	1800	x11758
1945D	Seraphim the Owl dp, greedy	1300	x11728
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11718
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11642
1842C	Tenzing and Balls dp	1500	x11565
1307C	Cow and Message brute force, dp, math, strings	1500	x11532
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11529
1881E	Block Sequence dp	1500	x11512
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11497
1811E	Living Sequence binary search, dp, math, number theory	1500	x11495
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11431
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11355
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11192
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11162
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11030
1398D	Colored Rectangles dp, greedy, sortings	1800	x10975
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10971
607B	Zuma dp	1900	x10881
1461C	Random Events dp, math, probabilities	1500	x10832
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10760
1741E	Sending a Sequence Over the Network dp	1600	x10722
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10680
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10672
1415C	Bouncing Ball brute force, dp, implementation	1400	x10634
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10593
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10580
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10572
1738C	Even Number Addicts dp, games, greedy, math	1500	x10499
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10478
1689C	Infected Tree dfs and similar, dp, trees	1600	x10452
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10409
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10400
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10391
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10348
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10342
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10296
628B	New Skateboard dp	1300	x10287
1189C	Candies! data structures, dp, implementation, math	1400	x10261
2B	The least round way dp, math	2000	x10202
797B	Odd sum dp, greedy, implementation	1400	x10135
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10111
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10090
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10080
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10062
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10035
1625C	Road Optimization dp	1700	x10013
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x9988
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9949
877B	Nikita and string brute force, dp	1500	x9943
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9900
1759E	The Humanoid brute force, dp, sortings	1500	x9886
534B	Covered Path dp, greedy, math	1400	x9837
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9810
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9797
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9796
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9752
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9695
4D	Mysterious Present dp, sortings	1700	x9658
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9614
264B	Good Sequences dp, number theory	1500	x9597
891A	Pride brute force, dp, greedy, math, number theory	1500	x9583
1207C	Gas Pipeline dp, greedy	1500	x9530
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9470
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9381
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9364
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9361
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9353
607A	Chain Reaction binary search, dp	1600	x9335
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9327
1829G	Hits Different data structures, dp, implementation, math	1600	x9324
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9304
1473D	Program data structures, dp, implementation, strings	1700	x9295
919D	Substring dfs and similar, dp, graphs	1700	x9280
567C	Geometric Progression binary search, data structures, dp	1700	x9266
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9250
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9199
1498C	Planar Reflections brute force, data structures, dp	1600	x9152
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9127
580D	Kefa and Dishes bitmasks, dp	1800	x9125
665C	Simple Strings dp, greedy, strings	1300	x9121
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9111
660C	Hard Process binary search, dp, two pointers	1600	x9026
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x8992
1315B	Homecoming binary search, dp, greedy, strings	1300	x8957
788A	Functions again dp, two pointers	1600	x8952
870C	Maximum splitting dp, greedy, math, number theory	1300	x8950
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x8928
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8845
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8812
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8806
753A	Santa Claus and Candies dp, greedy, math	1000	x8762
225C	Barcode dp, matrices	1700	x8732
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8683
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8642