Problemset - Codeforces

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Educational Codeforces Round 166 (Rated for Div. 2)
22:41:21
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Problems

#	Name
1215B	The Number of Products combinatorics, dp, implementation	1400	x12294
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12278
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12211
505B	Mr. Kitayuta's Colorful Graph dfs and similar, dp, dsu, graphs	1400	x12123
1276A	As Simple as One and Two dp, greedy	1400	x12060
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12021
1881E	Block Sequence dp	1500	x11995
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11967
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11918
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11899
1509C	The Sports Festival dp, greedy	1800	x11895
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11879
1842C	Tenzing and Balls dp	1500	x11838
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11819
1811E	Living Sequence binary search, dp, math, number theory	1500	x11660
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11624
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11573
1307C	Cow and Message brute force, dp, math, strings	1500	x11562
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x11562
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x11429
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11302
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11201
1282B1	K for the Price of One (Easy Version) dp, greedy, sortings	1400	x11188
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11093
607B	Zuma dp	1900	x11063
1398D	Colored Rectangles dp, greedy, sortings	1800	x11044
1741E	Sending a Sequence Over the Network dp	1600	x10987
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10891
1461C	Random Events dp, math, probabilities	1500	x10879
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10859
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10737
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10735
1689C	Infected Tree dfs and similar, dp, trees	1600	x10693
1415C	Bouncing Ball brute force, dp, implementation	1400	x10682
1626C	Monsters And Spells binary search, data structures, dp, greedy, implementation, math, two pointers	1700	x10661
1738C	Even Number Addicts dp, games, greedy, math	1500	x10636
1284B	New Year and Ascent Sequence binary search, combinatorics, data structures, dp, implementation, sortings	1400	x10603
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10566
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10557
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10521
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10510
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x10466
1189C	Candies! data structures, dp, implementation, math	1400	x10436
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10433
628B	New Skateboard dp	1300	x10367
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10352
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10325
2B	The least round way dp, math	2000	x10278
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10211
797B	Odd sum dp, greedy, implementation	1400	x10189
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10171
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10161
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10155
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10153
1625C	Road Optimization dp	1700	x10143
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10118
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10101
1759E	The Humanoid brute force, dp, sortings	1500	x10079
877B	Nikita and string brute force, dp	1500	x10012
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9957
534B	Covered Path dp, greedy, math	1400	x9927
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9863
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9860
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9842
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9795
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9779
4D	Mysterious Present dp, sortings	1700	x9726
264B	Good Sequences dp, number theory	1500	x9721
1207C	Gas Pipeline dp, greedy	1500	x9692
891A	Pride brute force, dp, greedy, math, number theory	1500	x9667
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9535
1829G	Hits Different data structures, dp, implementation, math	1600	x9531
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9528
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9503
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9488
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9423
919D	Substring dfs and similar, dp, graphs	1700	x9414
385C	Bear and Prime Numbers binary search, brute force, data structures, dp, implementation, math, number theory	1700	x9412
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9385
607A	Chain Reaction binary search, dp	1600	x9375
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9357
1473D	Program data structures, dp, implementation, strings	1700	x9355
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9319
665C	Simple Strings dp, greedy, strings	1300	x9313
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9310
567C	Geometric Progression binary search, data structures, dp	1700	x9304
580D	Kefa and Dishes bitmasks, dp	1800	x9239
1498C	Planar Reflections brute force, data structures, dp	1600	x9234
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x9185
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9166
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9163
660C	Hard Process binary search, dp, two pointers	1600	x9123
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x8986
788A	Functions again dp, two pointers	1600	x8975
1315B	Homecoming binary search, dp, greedy, strings	1300	x8973
870C	Maximum splitting dp, greedy, math, number theory	1300	x8971
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8881
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x8862
225C	Barcode dp, matrices	1700	x8794
753A	Santa Claus and Candies dp, greedy, math	1000	x8792