Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x8982
337B	Routine Problem greedy, math, number theory	1400	x9074
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9171
978E	Bus Video System combinatorics, math	1400	x9197
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9345
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9475
804B	Minimum number of steps combinatorics, greedy, implementation, math	1400	x9511
1200C	Round Corridor math, number theory	1400	x9584
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9748
1091C	New Year and the Sphere Transmission math, number theory	1400	x9774
757B	Bash's Big Day greedy, math, number theory	1400	x9789
534B	Covered Path dp, greedy, math	1400	x9836
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9858
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10028
1154C	Gourmet Cat implementation, math	1400	x10207
1189C	Candies! data structures, dp, implementation, math	1400	x10259
1167B	Lost Numbers brute force, divide and conquer, interactive, math	1400	x10522
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10594
131C	The World is a Theatre combinatorics, math	1400	x10614
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10718
1228B	Filling the Grid implementation, math	1400	x11286
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11290
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11572
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11685
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x11968
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12212
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12276
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12387
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x12864
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13057
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13091
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13280
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x13281
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x13361
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13385
1270C	Make Good bitmasks, constructive algorithms, math	1400	x13565
1183C	Computer Game binary search, math	1400	x13630
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x13684
1330B	Dreamoon Likes Permutations implementation, math	1400	x13709
260A	Adding Digits implementation, math	1400	x14074
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14082
1573B	Swaps greedy, math, sortings	1400	x14135
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14407
1772D	Absolute Sorting constructive algorithms, math	1400	x14835
650A	Watchmen data structures, geometry, math	1400	x15025
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15052
1714E	Add Modulo 10 brute force, math, number theory	1400	x15169
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15170
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15302
1303B	National Project math	1400	x15365
1320A	Journey Planning data structures, dp, greedy, math, sortings	1400	x15386
1634B	Fortune Telling bitmasks, math	1400	x15573
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x15749
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16185
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x16947
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17009
1355D	Game With Array constructive algorithms, math	1400	x17399
977D	Divide by three, multiply by two dfs and similar, math, sortings	1400	x17534
762A	k-th divisor math, number theory	1400	x17869
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19001
1520E	Arranging The Sheep greedy, math	1400	x19857
1475C	Ball in Berland combinatorics, graphs, math	1400	x19898
514B	Han Solo and Lazer Gun brute force, data structures, geometry, implementation, math	1400	x20118
1350B	Orac and Models dp, math, number theory	1400	x20504
1201C	Maximum Median binary search, greedy, math, sortings	1400	x21159
1285C	Fadi and LCM brute force, math, number theory	1400	x21881
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22131
1370C	Number Game games, math, number theory	1400	x23474
507B	Amr and Pins geometry, math	1400	x23783
515C	Drazil and Factorial greedy, math, sortings	1400	x24886
1526B	I Hate 1111 dp, math, number theory	1400	x28519
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x47713
1571B	Epic Novel *special problem, math	1300	x674
117A	Elevator implementation, math	1300	x1971
238A	Not Wool Sequences constructive algorithms, math	1300	x2004
173A	Rock-Paper-Scissors implementation, math	1300	x2195
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2717
70A	Cookies math	1300	x3211
62A	A Student's Dream greedy, math	1300	x3358
926A	2-3-numbers implementation, math	1300	x3669
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3838
189B	Counting Rhombi brute force, math	1300	x3867
964B	Messages math	1300	x4298
71B	Progress Bar implementation, math	1300	x4354
94B	Friends graphs, implementation, math	1300	x4479
630N	Forecast math	1300	x4501
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x5079
195B	After Training data structures, implementation, math	1300	x5115
215B	Olympic Medal greedy, math	1300	x5350
787B	Not Afraid greedy, implementation, math	1300	x5567
821B	Okabe and Banana Trees brute force, math	1300	x5623
976B	Lara Croft and the New Game implementation, math	1300	x5662
185A	Plant math	1300	x5682
83A	Magical Array math	1300	x6059
909B	Segments constructive algorithms, math	1300	x6191
626B	Cards constructive algorithms, dp, math	1300	x6500
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6531
630F	Selection of Personnel combinatorics, math	1300	x6542
808B	Average Sleep Time data structures, implementation, math	1300	x6574
761B	Dasha and friends brute force, implementation, math	1300	x6798