Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
894C	Marco and GCD Sequence constructive algorithms, math	1900	x4688
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4759
894A	QAQ brute force, dp	800	x40514
893F	Subtree Minimum Query data structures, trees	2300	x2690
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x4411
893D	Credit Card data structures, dp, greedy, implementation	1900	x3411
893C	Rumor dfs and similar, graphs, greedy	1300	x29993
893B	Beautiful Divisors brute force, implementation	1000	x13038
893A	Chess For Three implementation	900	x11332
892B	Wrath greedy, implementation, two pointers	1200	x10385
892A	Greed greedy, implementation	900	x15304
891E	Lust combinatorics, math, matrices	3000	x1298
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x490
891C	Envy data structures, dsu, graphs	2300	x3330
891B	Gluttony constructive algorithms, greedy	2000	x3305
891A	Pride brute force, dp, greedy, math, number theory	1500	x15684
889E	Mod Mod Mod binary search, dp, math	3000	x834
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x6429
888F	Connecting Vertices dp, graphs	2500	x1234
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x10220
888D	Almost Identity Permutations combinatorics, dp, math	1600	x11230
888C	K-Dominant Character binary search, implementation, two pointers	1400	x9194
888B	Buggy Robot greedy	1000	x10959
888A	Local Extrema brute force, implementation	800	x12261
887F	Row of Models greedy, sortings	2500	x223
887E	Little Brother binary search, geometry, sortings	2800	x225
887D	Ratings and Reality Shows data structures, two pointers	2400	x583
887C	Solution for Cube brute force, implementation	1500	x3007
887B	Cubes for Masha brute force, implementation	1300	x6462
887A	Div. 64 implementation	1000	x12176
886F	Symmetric Projections geometry	2900	x315
886E	Maximum Element combinatorics, dp, math	2400	x1289
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x2082
886C	Petya and Catacombs dsu, greedy, implementation, trees	1300	x5711
886B	Vlad and Cafes	1000	x8551
886A	ACM ICPC brute force	1000	x11423
884F	Anti-Palindromize flows, graphs, greedy	2500	x1360
884E	Binary Matrix dsu	2500	x842
884D	Boxes And Balls data structures, greedy	2300	x2298
884C	Bertown Subway dfs and similar, greedy, math	1500	x5280
884B	Japanese Crosswords Strike Back implementation	1100	x7778
884A	Book Reading implementation	800	x11519
883M	Quadcopter Competition greedy, math	1100	x3950
883L	Berland.Taxi data structures	2500	x317
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1259
883J	Renovation constructive algorithms, greedy, sortings	2400	x665
883I	Photo Processing binary search, dp	1900	x2460
883H	Palindromic Cut brute force, implementation, strings	1800	x1813
883G	Orientation of Edges dfs and similar, graphs	1900	x1566
883F	Lost in Transliteration implementation	1300	x2433
883E	Field of Wonders implementation, strings	1500	x2080
883D	Packmen Strike Back binary search, dp, math	2500	x513
883C	Downloading B++ binary search, implementation	2300	x899
883B	Berland Army constructive algorithms, graphs, greedy	2600	x488
883A	Automatic Door implementation	2200	x711
879B	Table Tennis data structures, implementation	1200	x15113
879A	Borya's Diagnosis implementation	900	x9713
878E	Numbers on the blackboard combinatorics, dp	3300	x782
878D	Magic Breeding bitmasks	2900	x1008
878C	Tournament data structures, graphs	2700	x1086
878B	Teams Formation data structures, implementation	2300	x1143
878A	Short Program bitmasks, constructive algorithms	1600	x6122
877F	Ann and Books data structures, flows, hashing	2300	x2596
877E	Danil and a Part-time Job bitmasks, data structures, trees	2000	x6135
877D	Olya and Energy Drinks data structures, dfs and similar, graphs, shortest paths	2100	x5423
877C	Slava and tanks constructive algorithms	1600	x6118
877B	Nikita and string brute force, dp	1500	x12373
877A	Alex and broken contest implementation, strings	1100	x11651
876B	Divisiblity of Differences implementation, math, number theory	1300	x10562
876A	Trip For Meal math	900	x10204
875F	Royal Questions dsu, graphs, greedy	2500	x1715
875E	Delivery Club binary search, data structures, dp	2600	x1061
875D	High Cry binary search, bitmasks, combinatorics, data structures, divide and conquer	2200	x2625
875C	National Property 2-sat, dfs and similar, graphs, implementation	2100	x2446
875B	Sorting the Coins dsu, implementation, sortings, two pointers	1500	x5420
875A	Classroom Watch brute force, math	1200	x10416
873F	Forbidden Indices dsu, string suffix structures, strings	2400	x2029
873E	Awards For Contestants brute force, data structures, dp	2300	x834
873D	Merge Sort constructive algorithms, divide and conquer	1800	x4241
873C	Strange Game On Matrix greedy, two pointers	1600	x3701
873B	Balanced Substring dp, implementation	1500	x9363
873A	Chores implementation	800	x10806
871E	Restore the Tree graphs, greedy, trees	2900	x246
870F	Paths data structures, number theory	2700	x751
870E	Points, Lines and Ready-made Titles dfs and similar, dsu, graphs, trees	2300	x1352
870D	Something with XOR Queries brute force, interactive, probabilities	2000	x1334
870C	Maximum splitting dp, greedy, math, number theory	1300	x9886
870B	Maximum of Maximums of Minimums greedy	1200	x10979
870A	Search for Pretty Integers brute force, implementation	900	x10960
869E	The Untended Antiquity data structures, hashing	2400	x2471
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x376
869C	The Intriguing Obsession combinatorics, dp, math	1800	x5396
869B	The Eternal Immortality math	1100	x16074
869A	The Artful Expedient brute force, implementation	1100	x9867
868G	El Toll Caves math	3300	x200
868F	Yet Another Minimization Problem divide and conquer, dp	2500	x5815
868E	Policeman and a Tree dp, graphs, trees	2700	x575
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x1038
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x5126
868B	Race Against Time implementation	1400	x4002

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