Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
42:14:51
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Problems

#	Name
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x1181
687C	The Values You Can Make dp	1900	x9535
687B	Remainders Game chinese remainder theorem, math, number theory	1800	x7245
687A	NP-Hard Problem dfs and similar, graphs	1500	x17273
686B	Little Robber Girl's Zoo constructive algorithms, implementation, sortings	1100	x8078
686A	Free Ice Cream constructive algorithms, implementation	800	x45052
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x690
685D	Kay and Eternity brute force, implementation, sortings	2600	x565
685C	Optimal Point binary search, math	2900	x711
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x5824
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4534
683J	The Hero with Bombs *special problem	3000	x53
683I	Loader *special problem, graphs	2500	x54
683H	Exchange of Books *special problem	1900	x126
683G	The Fraction *special problem	1900	x147
683F	Reformat the String *special problem	1800	x169
683E	Hammer throwing *special problem	1800	x205
683D	Chocolate Bar *special problem, math	1400	x399
683C	Symmetric Difference *special problem	1600	x342
683B	The Teacher of Physical Education *special problem	1600	x341
683A	The Check of the Point *special problem, geometry	1200	x1291
682E	Alyona and Triangles geometry, two pointers	2600	x768
682D	Alyona and Strings dp, strings	1900	x3600
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x8398
682B	Alyona and Mex sortings	1200	x12898
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x24549
681E	Runaway to a Shadow geometry, sortings	2500	x565
681D	Gifts by the List constructive algorithms, dfs and similar, graphs, trees	2000	x1926
681C	Heap Operations constructive algorithms, data structures, greedy	1600	x10931
681B	Economy Game brute force	1300	x9611
681A	A Good Contest implementation	800	x17046
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x26628
680A	Bear and Five Cards constructive algorithms, implementation	800	x13522
679E	Bear and Bad Powers of 42 data structures	3100	x971
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x408
679C	Bear and Square Grid dfs and similar, dsu, implementation	2400	x1314
679B	Bear and Tower of Cubes binary search, dp, greedy	2200	x2379
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x16347
678F	Lena and Queries data structures, divide and conquer, geometry	2500	x1135
678E	Another Sith Tournament bitmasks, dp, math, probabilities	2200	x2931
678D	Iterated Linear Function math, number theory	1700	x5607
678C	Joty and Chocolate implementation, math, number theory	1600	x11478
678B	The Same Calendar implementation	1600	x5006
678A	Johny Likes Numbers implementation, math	800	x15720
677E	Vanya and Balloons binary search, brute force, dp, implementation	2300	x816
677D	Vanya and Treasure data structures, dp, graphs, shortest paths	2300	x2147
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x7116
677B	Vanya and Food Processor implementation, math	1400	x8021
677A	Vanya and Fence implementation	800	x193607
676E	The Last Fight Between Human and AI math	2400	x972
676D	Theseus and labyrinth graphs, implementation, shortest paths	2000	x2022
676C	Vasya and String binary search, dp, strings, two pointers	1500	x24202
676B	Pyramid of Glasses implementation, math, math	1500	x5891
676A	Nicholas and Permutation constructive algorithms, implementation	800	x14981
675E	Trains and Statistic data structures, dp, greedy	2300	x3518
675D	Tree Construction data structures, trees	1800	x4376
675C	Money Transfers constructive algorithms, data structures, greedy, sortings	2100	x3972
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7824
675A	Infinite Sequence math	1100	x15815
673B	Problems for Round greedy, implementation	1300	x3714
673A	Bear and Game implementation	800	x11019
672B	Different is Good constructive algorithms, implementation, strings	1000	x18934
672A	Summer Camp implementation	800	x16876
671E	Organizing a Race data structures, greedy	3300	x559
671D	Roads in Yusland data structures, dp, greedy	2900	x1413
671C	Ultimate Weirdness of an Array data structures, number theory	2800	x873
671B	Robin Hood binary search, greedy	2000	x3433
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4436
670F	Restore a Number brute force, constructive algorithms, strings	2300	x951
670E	Correct Bracket Sequence Editor data structures, dsu, strings	1700	x3528
670D2	Magic Powder - 2 binary search, implementation	1500	x22135
670D1	Magic Powder - 1 binary search, brute force, implementation	1400	x26182
670C	Cinema implementation, sortings	1300	x10242
670B	Game of Robots implementation	1000	x12273
670A	Holidays brute force, constructive algorithms, greedy, math	900	x19067
669A	Little Artem and Presents math	800	x11870
667B	Coat of Anticubism constructive algorithms, geometry	1100	x5972
667A	Pouring Rain geometry, math	1100	x8639
666E	Forensic Examination data structures, string suffix structures	3100	x1753
666D	Chain Reaction brute force, geometry	3000	x424
666C	Codeword combinatorics, strings	2500	x967
666B	World Tour graphs, shortest paths	2000	x2497
666A	Reberland Linguistics dp, implementation, strings	1800	x3860
665F	Four Divisors data structures, dp, math, number theory, sortings, two pointers	2400	x853
665E	Beautiful Subarrays data structures, divide and conquer, strings, trees	2100	x5065
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x4351
665C	Simple Strings dp, greedy, strings	1300	x19691
665B	Shopping brute force	1400	x3951
665A	Buses Between Cities implementation	1600	x3249
664A	Complicated GCD math, number theory	800	x22846
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3824
662E	To Hack or not to Hack brute force, dp, greedy	3100	x287
662D	International Olympiad constructive algorithms, greedy, implementation, math	2000	x1743
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x2707
662B	Graph Coloring dfs and similar, graphs	2200	x1741
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x706
661H	Rotate Matrix *special problem	2400	x105
661G	Hungarian Notation *special problem	2200	x90
661F	Primes in Interval *special problem	1900	x761
661E	Divisibility Check *special problem	2000	x94

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