Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
33:56:56
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Problems

#	Name
803D	Magazine Ad binary search, greedy	1900	x3283
803C	Maximal GCD constructive algorithms, greedy, math	1900	x5135
803B	Distances to Zero constructive algorithms	1200	x6590
803A	Maximal Binary Matrix constructive algorithms	1400	x4939
802O	April Fools' Problem (hard) binary search, data structures, flows	2900	x959
802N	April Fools' Problem (medium) binary search, flows, graphs	2400	x1200
802M	April Fools' Problem (easy) greedy, sortings	1200	x3150
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x310
802K	Send the Fool Further! (medium) dp, trees	2100	x641
802J	Send the Fool Further! (easy) dfs and similar, graphs, trees	1400	x4751
802I	Fake News (hard) string suffix structures	2300	x1559
802H	Fake News (medium) constructive algorithms, strings	2200	x467
802G	Fake News (easy) implementation, strings	800	x7057
802F	Marmots (hard) math, probabilities	2800	x128
802E	Marmots (medium) math	2200	x254
802D	Marmots (easy) math	2100	x458
802C	Heidi and Library (hard) flows	2600	x568
802B	Heidi and Library (medium) data structures, greedy	1800	x1137
802A	Heidi and Library (easy) greedy	1800	x1386
801B	Valued Keys constructive algorithms, greedy, strings	900	x10347
801A	Vicious Keyboard brute force	1100	x7338
799G	Cut the pie binary search, data structures, geometry	3500	x116
799F	Beautiful fountains rows data structures	3500	x446
799E	Aquarium decoration data structures, greedy, two pointers	2500	x936
799D	Field expansion brute force, dp, meet-in-the-middle	2100	x2066
799C	Fountains binary search, data structures, implementation	1800	x3780
799B	T-shirt buying data structures, implementation	1400	x8915
799A	Carrot Cakes brute force, implementation	1100	x19024
798E	Mike and code of a permutation constructive algorithms, data structures, graphs, sortings	3000	x489
798D	Mike and distribution constructive algorithms, sortings	2400	x1926
798C	Mike and gcd problem dp, greedy, number theory	1700	x5829
798B	Mike and strings brute force, dp, strings	1300	x8427
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21854
797F	Mice and Holes data structures, dp, greedy, sortings	2600	x1211
797E	Array Queries brute force, data structures, dp	2000	x4482
797D	Broken BST data structures, dfs and similar	2100	x1835
797C	Minimal string data structures, greedy, strings	1700	x6799
797B	Odd sum dp, greedy, implementation	1400	x10618
797A	k-Factorization implementation, math, number theory	1100	x15573
796F	Sequence Recovery bitmasks, data structures, greedy	2800	x181
796E	Exam Cheating binary search, dp	2400	x680
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5784
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x3056
796B	Find The Bone implementation	1300	x9100
796A	Buying A House brute force, implementation	800	x13059
794G	Replace All combinatorics, dp, math	3400	x346
794F	Leha and security system data structures	2800	x832
794E	Choosing Carrot games, math	2800	x811
794D	Labelling Cities dfs and similar, graphs, hashing	2400	x822
794C	Naming Company games, greedy, sortings	1800	x3145
794B	Cutting Carrot geometry, math	1200	x6634
794A	Bank Robbery brute force, implementation	800	x7056
793G	Oleg and chess data structures, divide and conquer, flows, graph matchings	3400	x386
793F	Julia the snail data structures, divide and conquer, dp	3000	x564
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x254
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1602
793C	Mice problem geometry, implementation, math, sortings	2300	x1259
793B	Igor and his way to work dfs and similar, graphs, implementation, shortest paths	1600	x4464
793A	Oleg and shares implementation, math	900	x6835
792F	Mages and Monsters data structures, geometry	3100	x211
792E	Colored Balls greedy, math, number theory	2500	x1093
792D	Paths in a Complete Binary Tree bitmasks, trees	1900	x3024
792C	Divide by Three dp, greedy, math, number theory	2000	x4431
792B	Counting-out Rhyme implementation	1300	x6022
792A	New Bus Route implementation, sortings	1100	x9023
791A	Bear and Big Brother implementation	800	x198504
789B	Masha and geometric depression brute force, implementation, math	1700	x4387
789A	Anastasia and pebbles implementation, math	1100	x9335
788E	New task data structures	2900	x340
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x373
788C	The Great Mixing dfs and similar, graphs, shortest paths	2300	x2290
788B	Weird journey combinatorics, constructive algorithms, dfs and similar, dsu, graphs	2100	x2594
788A	Functions again dp, two pointers	1600	x9139
787B	Not Afraid greedy, implementation, math	1300	x5607
787A	The Monster brute force, math, number theory	1200	x11451
786E	ALT data structures, flows, graphs, trees	3200	x633
786D	Rap God data structures, dfs and similar, hashing, strings, trees	3400	x142
786C	Till I Collapse data structures, divide and conquer	2400	x2911
786B	Legacy data structures, graphs, shortest paths	2300	x6190
786A	Berzerk dfs and similar, dp, games	2000	x2561
785E	Anton and Permutation brute force, data structures	2200	x1929
785D	Anton and School - 2 combinatorics, dp, math, number theory	2300	x3005
785C	Anton and Fairy Tale binary search, math	1600	x7396
785B	Anton and Classes greedy, sortings	1100	x10250
785A	Anton and Polyhedrons implementation, strings	800	x90149
784G	BF Calculator *special problem	2000	x748
784F	Crunching Numbers Just for You *special problem, implementation	1900	x1076
784E	Twisted Circuit *special problem, brute force, implementation	2000	x1953
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x462
784C	INTERCALC *special problem, implementation	1800	x727
784B	Kids' Riddle *special problem	2000	x875
784A	Numbers Joke *special problem	1700	x3185
780H	Intranet of Buses binary search, geometry, implementation, two pointers	3100	x118
780G	Andryusha and Nervous Barriers data structures, dp	2700	x662
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1052
780E	Underground Lab constructive algorithms, dfs and similar, graphs	2100	x2589
780D	Innokenty and a Football League 2-sat, graphs, greedy, implementation, shortest paths, strings	1900	x2914
780C	Andryusha and Colored Balloons dfs and similar, graphs, greedy, trees	1600	x9150
780B	The Meeting Place Cannot Be Changed binary search	1600	x9813
780A	Andryusha and Socks implementation	800	x19809