Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
42:01:08
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Problems

#	Name
765C	Table Tennis Game 2 math	1200	x6818
612B	HDD is Outdated Technology implementation, math	1200	x6808
761B	Dasha and friends brute force, implementation, math	1300	x6797
967B	Watering System math, sortings	1000	x6791
937B	Vile Grasshoppers brute force, math, number theory	1400	x6780
988D	Points and Powers of Two brute force, math	1800	x6763
818A	Diplomas and Certificates implementation, math	800	x6762
1690F	Shifting String graphs, math, number theory, strings	1700	x6759
614B	Gena's Code implementation, math	1400	x6754
484B	Maximum Value binary search, math, sortings, two pointers	2100	x6749
859B	Lazy Security Guard brute force, geometry, math	1000	x6729
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6718
1621C	Hidden Permutations dfs and similar, interactive, math	1700	x6713
148D	Bag of mice dp, games, math, probabilities	1800	x6689
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6671
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6659
1787C	Remove the Bracket dp, greedy, math	1600	x6658
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6656
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6644
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6628
1068A	Birthday math	1400	x6620
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6601
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6579
1656D	K-good constructive algorithms, math, number theory	1900	x6566
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6554
808B	Average Sleep Time data structures, implementation, math	1300	x6550
955A	Feed the cat greedy, math	1100	x6544
630F	Selection of Personnel combinatorics, math	1300	x6538
1932E	Final Countdown implementation, math, number theory	1600	x6530
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6530
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6524
793A	Oleg and shares implementation, math	900	x6516
626B	Cards constructive algorithms, dp, math	1300	x6500
750C	New Year and Rating binary search, greedy, math	1600	x6482
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6475
1141E	Superhero Battle math	1700	x6453
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6442
495B	Modular Equations math, number theory	1600	x6433
1152C	Neko does Maths brute force, math, number theory	1800	x6432
1185D	Extra Element implementation, math	1700	x6420
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6418
1313B	Different Rules constructive algorithms, greedy, implementation, math	1700	x6406
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6391
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6379
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6368
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6359
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x6346
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6330
166C	Median greedy, math, sortings	1500	x6328
794B	Cutting Carrot geometry, math	1200	x6304
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6288
609C	Load Balancing implementation, math	1500	x6282
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6280
630I	Parking Lot combinatorics, math	1700	x6253
71C	Round Table Knights dp, math, number theory	1600	x6206
909B	Segments constructive algorithms, math	1300	x6190
1194D	1-2-K Game games, math	1700	x6178
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6175
847M	Weather Tomorrow implementation, math	1000	x6163
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6158
1012A	Photo of The Sky brute force, implementation, math, sortings	1500	x6146
628A	Tennis Tournament implementation, math	1000	x6136
1009D	Relatively Prime Graph brute force, constructive algorithms, graphs, greedy, math	1700	x6134
659D	Bicycle Race geometry, implementation, math	1500	x6133
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6129
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6127
559C	Gerald and Giant Chess combinatorics, dp, math, number theory	2200	x6122
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6102
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6075
992B	Nastya Studies Informatics math, number theory	1600	x6074
1111C	Creative Snap binary search, brute force, divide and conquer, math	1700	x6073
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6059
83A	Magical Array math	1300	x6058
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6056
817A	Treasure Hunt implementation, math, number theory	1200	x6048
1111B	Average Superhero Gang Power brute force, implementation, math	1700	x6033
197A	Plate Game constructive algorithms, games, math	1600	x6021
1444B	Divide and Sum combinatorics, math, sortings	1900	x6016
833A	The Meaningless Game math, number theory	1700	x6009
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x5982
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5973
1215D	Ticket Game games, greedy, math	1700	x5959
864D	Make a Permutation! greedy, implementation, math	1500	x5952
371A	K-Periodic Array greedy, implementation, math	1000	x5928
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x5919
1848C	Vika and Price Tags math, number theory	1800	x5900
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5898
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x5887
1279D	Santa's Bot combinatorics, math, probabilities	1700	x5855
103A	Testing Pants for Sadness greedy, implementation, math	1100	x5851
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x5848
1186C	Vus the Cossack and Strings implementation, math	1800	x5824
864C	Bus greedy, implementation, math	1500	x5823
1184A1	Heidi Learns Hashing (Easy) brute force, math, number theory	1200	x5810
1700D	River Locks binary search, dp, greedy, math	1900	x5809
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5797
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5753
500C	New Year Book Reading constructive algorithms, greedy, implementation, math	1600	x5737
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5735
1775D	Friendly Spiders dfs and similar, graphs, math, number theory, shortest paths	1800	x5723