Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
24:22:58
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brute force

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Problems

#	Name
799A	Carrot Cakes brute force, implementation	1100	x18091
798B	Mike and strings brute force, dp, strings	1300	x8283
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21118
797E	Array Queries brute force, data structures, dp	2000	x4109
796A	Buying A House brute force, implementation	800	x12854
794A	Bank Robbery brute force, implementation	800	x6928
789B	Masha and geometric depression brute force, implementation, math	1700	x4349
787A	The Monster brute force, math, number theory	1200	x11082
785E	Anton and Permutation brute force, data structures	2200	x1812
784E	Twisted Circuit *special problem, brute force, implementation	2000	x1890
779B	Weird Rounding brute force, greedy	1100	x10216
778C	Peterson Polyglot brute force, dfs and similar, dsu, hashing, strings, trees	2500	x867
778B	Bitwise Formula bitmasks, brute force, dfs and similar, expression parsing, implementation	1800	x2265
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3883
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5760
776A	A Serial Killer brute force, implementation, strings	900	x11865
773B	Dynamic Problem Scoring brute force, greedy	2000	x1144
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2216
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x1001
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3773
767B	The Queue brute force, greedy	2100	x2112
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4330
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x82
764A	Taymyr is calling you brute force, implementation, math	800	x16065
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x706
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x408
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3946
761C	Dasha and Password brute force, dp, implementation	1500	x5842
761B	Dasha and friends brute force, implementation, math	1300	x6813
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14352
758F	Geometrical Progression brute force, math, number theory	2400	x621
758B	Blown Garland brute force, implementation, number theory	1100	x10078
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1269
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x982
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x17595
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x482
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x914
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7173
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x283
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1174
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x442
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3063
750A	New Year and Hurry binary search, brute force, implementation, math	800	x71596
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8387
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x413
747A	Display Size brute force, math	800	x10058
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1013
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1478
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11908
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9082
740A	Alyona and copybooks brute force, implementation	1300	x8822
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2069
734B	Anton and Digits brute force, greedy, implementation, math	800	x28628
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x68040
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2766
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1156
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13315
725E	Too Much Money brute force, greedy	2600	x643
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2607
724B	Batch Sort brute force, greedy, implementation, math	1500	x3982
722A	Broken Clock brute force, implementation	1300	x6596
711A	Bus to Udayland brute force, implementation	800	x28885
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1699
710B	Optimal Point on a Line brute force, sortings	1400	x8546
706A	Beru-taxi brute force, geometry, implementation	900	x14298
704A	Thor brute force, data structures, implementation	1600	x8972
702B	Powers of Two brute force, data structures, implementation, math	1500	x11386
698D	Limak and Shooting Points brute force, geometry, math	2600	x510
697B	Barnicle brute force, implementation, math, strings	1400	x5674
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5996
691F	Couple Cover brute force, dp, number theory	2200	x1251
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5199
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x856
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x504
685D	Kay and Eternity brute force, implementation, sortings	2600	x478
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4149
681B	Economy Game brute force	1300	x8782
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x312
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x584
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7306
670F	Restore a Number brute force, constructive algorithms, strings	2300	x848
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x16273
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16492
666D	Chain Reaction brute force, geometry	3000	x272
665B	Shopping brute force	1400	x3487
662E	To Hack or not to Hack brute force, dp, greedy	3100	x133
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1964
653C	Bear and Up-Down brute force, implementation	1900	x1629
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4901
653A	Bear and Three Balls brute force, implementation, sortings	900	x8023
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3310
645A	Amity Assessment brute force, constructive algorithms, implementation	1200	x3392
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2845
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x688
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2411
635A	Orchestra brute force, implementation	1100	x2824
633D	Fibonacci-ish brute force, dp, hashing, implementation, math	2000	x2571
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6558
633A	Ebony and Ivory brute force, math, number theory	1100	x12396
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1030