Problemset - Codeforces

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Codeforces Round 991 (Div. 3)
12:05:10
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Problems

#	Name
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5512
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3832
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x4162
1077E	Thematic Contests greedy, sortings	1800	x4744
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x5304
1073C	Vasya and Robot binary search, two pointers	1800	x4827
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2717
1066D	Boxes Packing binary search, implementation	1800	x5527
1063B	Labyrinth graphs, shortest paths	1800	x7643
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3970
1042D	Petya and Array data structures, divide and conquer, two pointers	1800	x6298
1038D	Slime dp, greedy, implementation	1800	x8432
1034A	Enlarge GCD number theory	1800	x8817
1030D	Vasya and Triangle geometry, number theory	1800	x5979
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4728
1016C	Vasya And The Mushrooms dp, implementation	1800	x3770
1010C	Border number theory	1800	x4880
1010B	Rocket binary search, interactive	1800	x5201
1005E1	Median on Segments (Permutations Edition) sortings	1800	x3933
1002C2	Distinguish zero state and plus state without errors	1800	x267
991E	Bus Number brute force, combinatorics, math	1800	x3517
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3823
988D	Points and Powers of Two brute force, math	1800	x7366
986B	Petr and Permutations combinatorics, math	1800	x4698
983B	XOR-pyramid dp	1800	x5583
979B	Treasure Hunt greedy	1800	x4440
963A	Alternating Sum math, number theory	1800	x3362
958F2	Lightsabers (medium) binary search, two pointers	1800	x1243
952D	I'm Feeling Lucky! probabilities	1800	x2453
946D	Timetable dp	1800	x4477
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3169
933A	A Twisty Movement dp	1800	x5002
926B	Add Points math, number theory	1800	x1716
923C	Perfect Security data structures, greedy, strings, trees	1800	x4314
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4403
917A	The Monster dp, greedy, implementation, math	1800	x3529
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3851
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4753
911D	Inversion Counting brute force, math	1800	x4620
909C	Python Indentation dp	1800	x4963
899D	Shovel Sale constructive algorithms, math	1800	x2771
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4488
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x7415
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1105
883H	Palindromic Cut brute force, implementation, strings	1800	x1644
873D	Merge Sort constructive algorithms, divide and conquer	1800	x3220
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4736
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3316
863C	1-2-3 graphs, implementation	1800	x2524
853B	Jury Meeting greedy, sortings, two pointers	1800	x2535
847K	Travel Cards greedy, implementation, sortings	1800	x1701
847E	Packmen binary search, dp	1800	x3097
847C	Sum of Nestings constructive algorithms	1800	x2384
846F	Random Query data structures, math, probabilities, two pointers	1800	x2295
846C	Four Segments brute force, data structures, dp	1800	x2719
846B	Math Show brute force, greedy	1800	x2527
845D	Driving Test data structures, dp, greedy	1800	x2397
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x7135
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3544
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x3116
813B	The Golden Age brute force, math	1800	x4012
802B	Heidi and Library (medium) data structures, greedy	1800	x1149
802A	Heidi and Library (easy) greedy	1800	x1391
799C	Fountains binary search, data structures, implementation	1800	x3787
794C	Naming Company games, greedy, sortings	1800	x3149
784C	INTERCALC *special problem, implementation	1800	x728
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2347
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x5037
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5958
772B	Volatile Kite geometry	1800	x3319
772A	Voltage Keepsake binary search, math	1800	x4371
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3817
747D	Winter Is Coming dp, greedy, sortings	1800	x3292
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4388
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3352
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2498
730A	Toda 2 greedy, implementation	1800	x1597
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1889
725D	Contest Balloons data structures, greedy	1800	x2812
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2146
721C	Journey dp, graphs	1800	x5928
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x10252
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4064
691C	Exponential notation implementation, strings	1800	x2619
690E1	Photographs (I)	1800	x678
690D2	The Wall (medium) combinatorics	1800	x1251
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5959
683F	Reformat the String *special problem	1800	x147
683E	Hammer throwing *special problem	1800	x190
675D	Tree Construction data structures, trees	1800	x3822
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4206
666A	Reberland Linguistics dp, implementation, strings	1800	x3568
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3628
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3305
652D	Nested Segments data structures, sortings	1800	x4048
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3263
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2939
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x3083
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x723
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1682