Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
3 days
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brute force

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Problems

#	Name
815B	Karen and Test brute force, combinatorics, constructive algorithms, math	2200	x1364
815A	Karen and Game brute force, greedy, implementation	1700	x5581
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6361
813B	The Golden Age brute force, math	1800	x3846
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5098
811A	Vladik and Courtesy brute force, implementation	800	x11810
807B	T-Shirt Hunt brute force, implementation	1300	x3529
804D	Expected diameter of a tree binary search, brute force, dfs and similar, dp, sortings, trees	2500	x1262
801A	Vicious Keyboard brute force	1100	x7244
799D	Field expansion brute force, dp, meet-in-the-middle	2100	x1980
799A	Carrot Cakes brute force, implementation	1100	x18178
798B	Mike and strings brute force, dp, strings	1300	x8291
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21164
797E	Array Queries brute force, data structures, dp	2000	x4126
796A	Buying A House brute force, implementation	800	x12871
794A	Bank Robbery brute force, implementation	800	x6941
789B	Masha and geometric depression brute force, implementation, math	1700	x4354
787A	The Monster brute force, math, number theory	1200	x11100
785E	Anton and Permutation brute force, data structures	2200	x1831
784E	Twisted Circuit *special problem, brute force, implementation	2000	x1898
779B	Weird Rounding brute force, greedy	1100	x10235
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	x2272
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3904
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5810
776A	A Serial Killer brute force, implementation, strings	900	x11891
773B	Dynamic Problem Scoring brute force, greedy	2000	x1145
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2223
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x1003
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3776
767B	The Queue brute force, greedy	2100	x2115
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4340
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x83
764A	Taymyr is calling you brute force, implementation, math	800	x16083
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	x3949
761C	Dasha and Password brute force, dp, implementation	1500	x5851
761B	Dasha and friends brute force, implementation, math	1300	x6817
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14370
758F	Geometrical Progression brute force, math, number theory	2400	x621
758B	Blown Garland brute force, implementation, number theory	1100	x10092
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1275
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x983
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x17634
754E	Dasha and cyclic table bitmasks, brute force, fft, strings, trees	2600	x485
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x915
754B	Ilya and tic-tac-toe game brute force, implementation	1100	x7180
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x286
753B	Interactive Bulls and Cows (Easy) brute force, constructive algorithms, implementation	1600	x1176
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x443
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3065
750A	New Year and Hurry binary search, brute force, implementation, math	800	x72131
749B	Parallelogram is Back brute force, constructive algorithms, geometry	1200	x8425
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x415
747A	Display Size brute force, math	800	x10067
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1015
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1484
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11974
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9111
740A	Alyona and copybooks brute force, implementation	1300	x8829
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2080
734B	Anton and Digits brute force, greedy, implementation, math	800	x28707
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x68627
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2769
731D	80-th Level Archeology brute force, data structures, greedy, sortings	2200	x1159
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13406
725E	Too Much Money brute force, greedy	2600	x643
725C	Hidden Word brute force, constructive algorithms, implementation, strings	1600	x2609
724B	Batch Sort brute force, greedy, implementation, math	1500	x3985
722A	Broken Clock brute force, implementation	1300	x6602
711A	Bus to Udayland brute force, implementation	800	x28940
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1706
710B	Optimal Point on a Line brute force, sortings	1400	x8610
706A	Beru-taxi brute force, geometry, implementation	900	x14329
704A	Thor brute force, data structures, implementation	1600	x9016
702B	Powers of Two brute force, data structures, implementation, math	1500	x11418
698D	Limak and Shooting Points brute force, geometry, math	2600	x512
697B	Barnicle brute force, implementation, math, strings	1400	x5681
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x6004
691F	Couple Cover brute force, dp, number theory	2200	x1267
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5203
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x857
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x505
685D	Kay and Eternity brute force, implementation, sortings	2600	x478
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4157
681B	Economy Game brute force	1300	x8795
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	x587
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7321
670F	Restore a Number brute force, constructive algorithms, strings	2300	x848
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x16470
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16546
666D	Chain Reaction brute force, geometry	3000	x275
665B	Shopping brute force	1400	x3494
662E	To Hack or not to Hack brute force, dp, greedy	3100	x134
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1966
653C	Bear and Up-Down brute force, implementation	1900	x1629
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4905
653A	Bear and Three Balls brute force, implementation, sortings	900	x8056