Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
08:58:00
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Problems

#	Name
590C	Three States dfs and similar, graphs, shortest paths	2200	x2759
590B	Chip 'n Dale Rescue Rangers binary search, geometry, math	2100	x1904
590A	Median Smoothing implementation	1700	x3920
587F	Duff is Mad data structures, strings	3000	x1044
587E	Duff as a Queen data structures	2900	x705
587D	Duff in Mafia 2-sat, binary search	3100	x728
587C	Duff in the Army data structures, trees	2200	x3881
587B	Duff in Beach dp	2100	x1394
585F	Digits of Number Pi dp, implementation, strings	3200	x678
585E	Present for Vitalik the Philatelist combinatorics, math, number theory	2900	x1066
585D	Lizard Era: Beginning meet-in-the-middle	2300	x1620
585C	Alice, Bob, Oranges and Apples number theory	2400	x977
585B	Phillip and Trains dfs and similar, graphs, shortest paths	1700	x3519
585A	Gennady the Dentist brute force, implementation	1800	x4321
584E	Anton and Ira constructive algorithms, greedy, math	2300	x1420
584D	Dima and Lisa brute force, math, number theory	1800	x9289
584C	Marina and Vasya constructive algorithms, greedy, strings	1700	x6186
582E	Boolean Function bitmasks, dp, expression parsing	3000	x486
582D	Number of Binominal Coefficients dp, math, number theory	3300	x634
582C	Superior Periodic Subarrays number theory	2400	x739
582B	Once Again... constructive algorithms, dp, matrices	1900	x3427
582A	GCD Table constructive algorithms, greedy, number theory	1700	x7738
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x863
581E	Kojiro and Furrari dp, greedy	2800	x190
581D	Three Logos bitmasks, brute force, constructive algorithms, geometry, implementation, math	1700	x3650
580E	Kefa and Watch data structures, hashing, strings	2500	x2037
580D	Kefa and Dishes bitmasks, dp	1800	x9618
578F	Mirror Box matrices, trees	3200	x547
578E	Walking! constructive algorithms, greedy	2700	x636
578D	LCS Again dp, greedy	2700	x818
578C	Weakness and Poorness ternary search	2000	x4444
578B	"Or" Game brute force, greedy	1700	x5219
578A	A Problem about Polyline geometry, math	1700	x4759
577B	Modulo Sum combinatorics, data structures, dp, two pointers	1900	x12076
576E	Painting Edges binary search, data structures	3300	x1214
576D	Flights for Regular Customers dp, matrices	2700	x1369
576C	Points on Plane constructive algorithms, divide and conquer, geometry, greedy, sortings	2100	x3395
576B	Invariance of Tree constructive algorithms, dfs and similar, greedy, trees	2100	x1804
575I	Robots protection data structures	2800	x454
575H	Bots combinatorics, dp, math, number theory	1800	x1673
575G	Run for beer dfs and similar, shortest paths	2200	x884
575F	Bulbo dp, greedy	2100	x1030
575E	Spectator Riots geometry	2800	x284
575D	Tablecity constructive algorithms, implementation	1700	x1822
575C	Party bitmasks, brute force, graph matchings	2700	x222
575B	Bribes dfs and similar, graphs, trees	2200	x1063
575A	Fibonotci data structures, math, matrices	2700	x797
573E	Bear and Bowling data structures, greedy	3200	x1715
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x521
573C	Bear and Drawing constructive algorithms, dfs and similar, trees	2300	x966
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5832
571E	Geometric Progressions math	3200	x258
571D	Campus binary search, data structures, dsu, trees	3100	x678
571C	CNF 2 constructive algorithms, dfs and similar, graphs, greedy	2500	x666
571B	Minimization dp, greedy, sortings	2000	x2614
571A	Lengthening Sticks combinatorics, implementation, math	2100	x2322
570E	Pig and Palindromes combinatorics, dp	2300	x1888
570D	Tree Requests binary search, bitmasks, constructive algorithms, dfs and similar, graphs, trees	2200	x7080
570C	Replacement constructive algorithms, data structures, implementation	1600	x9125
568E	Longest Increasing Subsequence data structures, dp	3000	x593
568D	Sign Posts brute force, geometry, math	2800	x307
568C	New Language 2-sat, greedy	2600	x849
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2240
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x5041
567F	Mausoleum dp	2400	x579
567E	President and Roads dfs and similar, graphs, hashing, shortest paths	2200	x1736
567D	One-Dimensional Battle Ships binary search, data structures, greedy, sortings	1700	x4766
567C	Geometric Progression binary search, data structures, dp	1700	x9435
566G	Max and Min geometry	2500	x335
566E	Restoring Map bitmasks, constructive algorithms, trees	3200	x630
566D	Restructuring Company data structures, dsu	1900	x3241
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x752
566B	Replicating Processes constructive algorithms, greedy	2600	x265
566A	Matching Names dfs and similar, strings, trees	2300	x894
559E	Gerald and Path dp, sortings	3000	x894
559D	Randomizer combinatorics, geometry, probabilities	2800	x435
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x6446
559B	Equivalent Strings divide and conquer, hashing, sortings, strings	1700	x10595
559A	Gerald's Hexagon brute force, geometry, math	1600	x10409
558E	A Simple Task data structures, sortings, strings	2300	x5963
558D	Guess Your Way Out! II data structures, implementation, sortings	2300	x1125
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3978
557E	Ann and Half-Palindrome data structures, dp, graphs, string suffix structures, strings, trees	2300	x1078
557D	Vitaly and Cycle combinatorics, dfs and similar, graphs, math	2000	x2196
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x4004
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x2366
555D	Case of a Top Secret binary search, implementation, math	2500	x864
555C	Case of Chocolate data structures	2200	x1958
555B	Case of Fugitive data structures, greedy, sortings	2000	x3715
553E	Kyoya and Train dp, fft, graphs, math, probabilities	3200	x553
553D	Nudist Beach binary search, graphs, greedy	2300	x995
553C	Love Triangles dfs and similar, dsu, graphs	2200	x1776
553B	Kyoya and Permutation binary search, combinatorics, constructive algorithms, greedy, implementation, math	1900	x2111
552E	Vanya and Brackets brute force, dp, expression parsing, greedy, implementation, strings	2100	x1619
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4470
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5468
551E	GukiZ and GukiZiana binary search, data structures, implementation	2500	x1839
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1957
551C	GukiZ hates Boxes binary search, greedy	2200	x3559
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3850