Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
44:43:31
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Problems

#	Name
988D	Points and Powers of Two brute force, math	1800	x6763
986B	Petr and Permutations combinatorics, math	1800	x4552
983B	XOR-pyramid dp	1800	x5198
979B	Treasure Hunt greedy	1800	x4344
963A	Alternating Sum math, number theory	1800	x3217
958F2	Lightsabers (medium) binary search, two pointers	1800	x1197
952D	I'm Feeling Lucky! probabilities	1800	x2387
946D	Timetable dp	1800	x4254
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x2994
933A	A Twisty Movement dp	1800	x4814
926B	Add Points	1800	x1596
923C	Perfect Security data structures, greedy, strings, trees	1800	x4142
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4162
917A	The Monster dp, greedy, implementation, math	1800	x3421
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3586
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4490
911D	Inversion Counting brute force, math	1800	x4410
909C	Python Indentation dp	1800	x4738
899D	Shovel Sale constructive algorithms, math	1800	x2672
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4368
888E	Maximum Subsequence bitmasks, divide and conquer, meet-in-the-middle	1800	x6558
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1070
883H	Palindromic Cut brute force, implementation, strings	1800	x1553
873D	Merge Sort constructive algorithms, divide and conquer	1800	x2988
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4346
863D	Yet Another Array Queries Problem data structures, implementation	1800	x3131
863C	1-2-3 graphs, implementation	1800	x2401
853B	Jury Meeting greedy, sortings, two pointers	1800	x2502
847K	Travel Cards greedy, implementation, sortings	1800	x1482
847E	Packmen binary search, dp	1800	x2708
847C	Sum of Nestings constructive algorithms	1800	x2322
846F	Random Query data structures, math, probabilities, two pointers	1800	x2197
846C	Four Segments brute force, data structures, dp	1800	x2610
846B	Math Show brute force, greedy	1800	x2449
845D	Driving Test data structures, dp, greedy	1800	x2326
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6526
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3433
822D	My pretty girl Noora brute force, dp, greedy, math, number theory	1800	x2949
813B	The Golden Age brute force, math	1800	x3767
802B	Heidi and Library (medium) data structures, greedy	1800	x1007
802A	Heidi and Library (easy) greedy	1800	x1275
799C	Fountains binary search, data structures, implementation	1800	x3569
794C	Naming Company games, greedy, sortings	1800	x3018
784C	INTERCALC *special problem, implementation	1800	x670
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2252
777D	Cloud of Hashtags binary search, greedy, implementation, strings	1800	x4904
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5735
772B	Volatile Kite geometry	1800	x3090
772A	Voltage Keepsake binary search, math	1800	x4066
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
747D	Winter Is Coming dp, greedy, sortings	1800	x2944
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4241
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3293
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2373
730A	Toda 2 greedy, implementation	1800	x1549
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1795
725D	Contest Balloons data structures, greedy	1800	x2668
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2098
721C	Journey dp, graphs	1800	x5656
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9206
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3764
691C	Exponential notation implementation, strings	1800	x2473
690E1	Photographs (I)	1800	x664
690D2	The Wall (medium) combinatorics	1800	x1207
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x5530
683F	Reformat the String *special problem	1800	x146
683E	Hammer throwing *special problem	1800	x187
675D	Tree Construction data structures, trees	1800	x3561
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4104
666A	Reberland Linguistics dp, implementation, strings	1800	x3412
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3184
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3239
652D	Nested Segments data structures, sortings	1800	x3779
652C	Foe Pairs combinatorics, sortings, two pointers	1800	x3064
645D	Robot Rapping Results Report binary search, dp, graphs	1800	x2698
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2837
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x683
638C	Road Improvement *special problem, dfs and similar, graphs, greedy, trees	1800	x1479
630M	Turn geometry, math	1800	x1092
626D	Jerry's Protest brute force, combinatorics, dp, probabilities	1800	x2646
623A	Graph and String constructive algorithms, graphs	1800	x4354
612D	The Union of k-Segments greedy, sortings	1800	x3657
610C	Harmony Analysis constructive algorithms	1800	x2780
603B	Moodular Arithmetic combinatorics, dfs and similar, dsu, math, number theory	1800	x2533
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x5613
592C	The Big Race math	1800	x3034
585A	Gennady the Dentist brute force, implementation	1800	x4110
584D	Dima and Lisa brute force, math, number theory	1800	x8789
580D	Kefa and Dishes bitmasks, dp	1800	x9086
575H	Bots combinatorics, dp, math, number theory	1800	x1627
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3755
543A	Writing Code dp	1800	x7660
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2406
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2165
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4640
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6263
513G1	Inversions problem brute force, dfs and similar, dp, meet-in-the-middle	1800	x1753
513B2	Permutations bitmasks, divide and conquer, math	1800	x2561
492D	Vanya and Computer Game binary search, implementation, math, sortings	1800	x3114
487A	Fight the Monster binary search, brute force, implementation	1800	x3650