Problemset - Codeforces

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Educational Codeforces Round 174 (Rated for Div. 2)
37:28:05
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Problems

#	Name
629C	Famil Door and Brackets dp, strings	2000	x2852
628D	Magic Numbers dp	2200	x6354
628B	New Skateboard dp	1300	x11204
627D	Preorder Test binary search, dfs and similar, dp, graphs, greedy, trees	2600	x893
627A	XOR Equation dp, math	1700	x4288
626G	Raffles data structures, dp, greedy, math	3100	x549
626F	Group Projects dp	2400	x3095
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2791
626B	Cards constructive algorithms, dp, math	1300	x6661
623E	Transforming Sequence combinatorics, dp, fft, math	3300	x564
623C	Electric Charges binary search, dp	2900	x483
623B	Array GCD dp, greedy, number theory	2300	x2216
621E	Wet Shark and Blocks dp, matrices	2000	x2899
618G	Combining Slimes dp, math, matrices, probabilities	3300	x247
618D	Hamiltonian Spanning Tree dfs and similar, dp, graph matchings, greedy, trees	2200	x1773
615C	Running Track dp, greedy, strings, trees	2000	x2359
615B	Longtail Hedgehog dp, graphs	1600	x5220
613E	Puzzle Lover dp, hashing, strings	3200	x476
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x3223
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2256
612F	Simba on the Circle dp	2600	x399
611D	New Year and Ancient Prophecy dp, hashing, strings	2000	x2619
611C	New Year and Domino dp, implementation	1500	x8557
607B	Zuma dp	1900	x12919
607A	Chain Reaction binary search, dp	1600	x9773
603A	Alternative Thinking dp, greedy, math	1600	x7769
602B	Approximating a Constant Range dp, implementation, two pointers	1400	x11119
601E	A Museum Robbery data structures, dp	2800	x893
601C	Kleofáš and the n-thlon dp, math, probabilities	2300	x1351
599E	Sandy and Nuts bitmasks, dp, trees	2600	x687
598E	Chocolate Bar brute force, dp	2000	x5209
597C	Subsequences data structures, dp	1900	x5346
597B	Restaurant dp, greedy, sortings	1600	x5040
596E	Wilbur and Strings dfs and similar, dp, graphs, strings	2500	x401
596D	Wilbur and Trees dp, math, probabilities, sortings	2300	x695
593E	Strange Calculation and Cats dp, matrices	2400	x655
592D	Super M dfs and similar, dp, graphs, trees	2200	x2704
590D	Top Secret Task dp	2300	x1250
587B	Duff in Beach dp	2100	x1431
585F	Digits of Number Pi dp, implementation, strings	3200	x707
582E	Boolean Function bitmasks, dp, expression parsing	3000	x512
582D	Number of Binominal Coefficients dp, math, number theory	3300	x669
582B	Once Again... constructive algorithms, dp, matrices	1900	x3464
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x906
581E	Kojiro and Furrari dp, greedy	2800	x191
580D	Kefa and Dishes bitmasks, dp	1800	x10227
580A	Kefa and First Steps brute force, dp, implementation	900	x91673
578D	LCS Again dp, greedy	2700	x898
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x12656
576D	Flights for Regular Customers dp, matrices	2700	x1441
575H	Bots combinatorics, dp, math, number theory	1800	x1732
575F	Bulbo dp, greedy	2100	x1051
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x592
573B	Bear and Blocks binary search, data structures, dp, math	1600	x6005
571B	Minimization dp, greedy, sortings	2000	x2676
570E	Pig and Palindromes combinatorics, dp	2300	x1933
568E	Longest Increasing Subsequence data structures, dp	3000	x603
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2265
567F	Mausoleum dp	2400	x597
567C	Geometric Progression binary search, data structures, dp	1700	x9714
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3758
559E	Gerald and Path dp, sortings	3000	x966
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x6738
557E	Ann and Half-Palindrome data structures, dp, graphs, string suffix structures, strings, trees	2300	x1100
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x4045
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x567
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8850
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1642
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5530
550C	Divisibility by Eight brute force, dp, math	1500	x29493
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x39176
548B	Mike and Fun brute force, dp, greedy, implementation	1400	x8559
547C	Mike and Foam bitmasks, combinatorics, dp, math, number theory	2300	x2966
547B	Mike and Feet binary search, data structures, dp, dsu	1900	x9148
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x12250
545C	Woodcutters dp, greedy	1500	x28952
543D	Road Improvement dp, trees	2300	x2842
543C	Remembering Strings bitmasks, dp	2500	x1431
543A	Writing Code dp	1800	x8157
542F	Quest dp, greedy	2100	x946
542D	Superhero's Job dfs and similar, dp, hashing, math, number theory	2600	x522
540D	Bad Luck Island dp, probabilities	1900	x5657
538E	Demiurges Play Again dfs and similar, dp, math, trees	2200	x1557
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x18322
536D	Tavas in Kansas dp, games	2900	x743
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x491
534B	Covered Path dp, greedy, math	1400	x10490
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2295
533D	Landmarks data structures, dp	3000	x239
533B	Work Group dfs and similar, dp, graphs, strings, trees	2000	x2475
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4839
526E	Transmitting Levels dp, implementation	2400	x1103
525E	Anya and Cubes binary search, bitmasks, brute force, dp, math, meet-in-the-middle	2100	x3449
524B	Фото на память - 2 (round version) dp, greedy	1700	x1470
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x9086
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x16815
520E	Pluses everywhere combinatorics, dp, math, number theory	2200	x1910
519E	A and B and Lecture Rooms binary search, data structures, dfs and similar, dp, trees	2100	x7178
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6438
518F	Pasha and Pipe binary search, brute force, combinatorics, dp, implementation	2300	x388