Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
37:28:26
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Problems

#	Name
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8975
337B	Routine Problem greedy, math, number theory	1400	x9071
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9163
978E	Bus Video System combinatorics, math	1400	x9190
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9342
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9467
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9511
1200C	Round Corridor math, number theory	1400	x9581
1091C	New Year and the Sphere Transmission math, number theory	1400	x9736
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9743
757B	Bash's Big Day greedy, math, number theory	1400	x9781
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9817
534B	Covered Path dp, greedy, math	1400	x9824
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x9987
1154C	Gourmet Cat implementation, math	1400	x10135
1189C	Candies! data structures, dp, implementation, math	1400	x10248
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10422
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10557
131C	The World is a Theatre combinatorics, math	1400	x10603
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10684
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11280
1228B	Filling the Grid implementation, math	1400	x11283
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11562
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11659
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x11953
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12150
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12240
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12320
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x12841
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x12996
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13014
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13258
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x13277
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13281
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x13340
1270C	Make Good bitmasks, constructive algorithms, math	1400	x13552
1183C	Computer Game binary search, math	1400	x13622
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x13654
1330B	Dreamoon Likes Permutations implementation, math	1400	x13703
260A	Adding Digits implementation, math	1400	x14064
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14073
1573B	Swaps greedy, math, sortings	1400	x14135
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14397
1772D	Absolute Sorting constructive algorithms, math	1400	x14809
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x14992
650A	Watchmen data structures, geometry, math	1400	x15012
1714E	Add Modulo 10 brute force, math, number theory	1400	x15127
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15151
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15298
1303B	National Project math	1400	x15314
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15326
1634B	Fortune Telling bitmasks, math	1400	x15536
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x15726
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16172
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x16923
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x16999
1355D	Game With Array constructive algorithms, math	1400	x17386
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17518
762A	k-th divisor math, number theory	1400	x17841
1369C	RationalLee greedy, math, sortings, two pointers	1400	x18991
1520E	Arranging The Sheep greedy, math	1400	x19808
1475C	Ball in Berland combinatorics, graphs, math	1400	x19862
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20090
1350B	Orac and Models dp, math, number theory	1400	x20469
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21100
1285C	Fadi and LCM brute force, math, number theory	1400	x21865
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22100
1370C	Number Game games, math, number theory	1400	x23451
507B	Amr and Pins geometry, math	1400	x23764
515C	Drazil and Factorial greedy, math, sortings	1400	x24857
1526B	I Hate 1111 dp, math, number theory	1400	x28455
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47644
1571B	Epic Novel *special problem, math	1300	x673
117A	Elevator implementation, math	1300	x1969
238A	Not Wool Sequences constructive algorithms, math	1300	x2003
173A	Rock-Paper-Scissors implementation, math	1300	x2192
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2714
70A	Cookies math	1300	x3211
62A	A Student's Dream greedy, math	1300	x3353
926A	2-3-numbers implementation, math	1300	x3665
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3834
189B	Counting Rhombi brute force, math	1300	x3862
964B	Messages math	1300	x4286
71B	Progress Bar implementation, math	1300	x4350
94B	Friends graphs, implementation, math	1300	x4470
630N	Forecast math	1300	x4495
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x5078
195B	After Training data structures, implementation, math	1300	x5112
215B	Olympic Medal greedy, math	1300	x5345
787B	Not Afraid greedy, implementation, math	1300	x5567
821B	Okabe and Banana Trees brute force, math	1300	x5622
976B	Lara Croft and the New Game implementation, math	1300	x5661
185A	Plant math	1300	x5682
83A	Magical Array math	1300	x6058
909B	Segments constructive algorithms, math	1300	x6190
626B	Cards constructive algorithms, dp, math	1300	x6500
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6526
630F	Selection of Personnel combinatorics, math	1300	x6538
808B	Average Sleep Time data structures, implementation, math	1300	x6550
761B	Dasha and friends brute force, implementation, math	1300	x6797