Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
300A	Array brute force, constructive algorithms, implementation	1100	x21796
299B	Ksusha the Squirrel brute force, implementation	900	x5112
299A	Ksusha and Array brute force, number theory, sortings	1000	x7692
298B	Sail brute force, greedy, implementation	1200	x13480
298A	Snow Footprints greedy, implementation	1300	x10409
297E	Mystic Carvings data structures	3000	x351
297D	Color the Carpet constructive algorithms	2500	x495
297C	Splitting the Uniqueness constructive algorithms	2400	x926
297B	Fish Weight constructive algorithms, greedy	1600	x3436
297A	Parity Game constructive algorithms	1700	x3574
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2045
296A	Yaroslav and Permutations greedy, math	1100	x21855
295E	Yaroslav and Points data structures	2500	x640
295D	Greg and Caves combinatorics, dp	2400	x633
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1653
295B	Greg and Graph dp, graphs, shortest paths	1700	x13033
295A	Greg and Array data structures, implementation	1400	x15946
294E	Shaass the Great dp, trees	2300	x884
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x297
294C	Shaass and Lights combinatorics, number theory	1900	x3701
294B	Shaass and Bookshelf dp, greedy	1700	x4346
294A	Shaass and Oskols implementation, math	800	x21999
293E	Close Vertices data structures, divide and conquer, trees	2700	x1262
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x232
293C	Cube Problem brute force, math, number theory	2400	x550
293B	Distinct Paths brute force, combinatorics	2700	x770
293A	Weird Game games, greedy	1500	x2794
292E	Copying Data data structures	1900	x3891
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2303
292C	Beautiful IP Addresses brute force	2000	x928
292B	Network Topology graphs, implementation	1200	x7663
292A	SMSC implementation	1100	x2632
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1267
291D	Parallel Programming *special problem, greedy	1600	x1465
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1662
291B	Command Line Arguments *special problem, implementation, strings	1300	x3010
291A	Spyke Talks *special problem, implementation, sortings	800	x5973
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x125
290E	HQ *special problem, constructive algorithms	2500	x194
290D	Orange *special problem, implementation	1400	x1782
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1513
290B	QR code *special problem, implementation	1500	x2399
290A	Mysterious strings *special problem, implementation	1400	x2940
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x16698
289A	Polo the Penguin and Segments brute force, implementation	1100	x8651
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x280
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x670
288C	Polo the Penguin and XOR operation implementation, math	1700	x2228
288B	Polo the Penguin and Houses combinatorics	1500	x2843
288A	Polo the Penguin and Strings greedy	1300	x6270
287B	Pipeline binary search, math	1700	x8772
287A	IQ Test brute force, implementation	1100	x18707
286E	Ladies' Shop constructive algorithms, fft, math	2800	x817
286D	Tourists data structures, sortings	2600	x370
286C	Main Sequence greedy, implementation	2100	x1282
286B	Shifting implementation	2200	x1099
286A	Lucky Permutation constructive algorithms, math	1400	x3102
285E	Positions in Permutations combinatorics, dp, math	2600	x926
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1505
285C	Building Permutation greedy, implementation, sortings	1200	x22403
285B	Find Marble implementation	1200	x14700
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13070
284B	Cows and Poker Game brute force, implementation	1000	x6641
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6358
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x710
283D	Cows and Cool Sequences dp, math, number theory	2400	x518
283C	Coin Troubles dp	2100	x1229
283B	Cow Program dfs and similar, dp, graphs	1700	x3604
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6456
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3339
282D	Yet Another Number Game dp, games	2100	x1372
282C	XOR and OR constructive algorithms, implementation, math	1500	x9084
282B	Painting Eggs greedy, math	1500	x12519
282A	Bit++ implementation	800	x234061
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2920
281A	Word Capitalization implementation, strings	800	x194623
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x195
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1159
280C	Game on Tree implementation, math, probabilities, trees	2200	x3448
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4352
280A	Rectangle Puzzle geometry	2000	x1440
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1407
279D	The Minimum Number of Variables bitmasks, dp	2200	x678
279C	Ladder dp, implementation, two pointers	1700	x8034
279B	Books binary search, brute force, implementation, two pointers	1400	x47347
279A	Point on Spiral brute force, geometry, implementation	1400	x5463
278B	New Problem brute force, strings	1500	x3415
278A	Circle Line implementation	800	x11427
277E	Binary Tree on Plane flows, trees	2400	x1229
277D	Google Code Jam dp, probabilities	2800	x323
277C	Game games, implementation	2400	x445
277B	Set of Points constructive algorithms, geometry	2300	x780
277A	Learning Languages dfs and similar, dsu	1400	x18013
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1538
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x12886
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x23831
276B	Little Girl and Game games, greedy	1300	x27091
276A	Lunch Rush implementation	900	x26623
275B	Convex Shape constructive algorithms, implementation	1700	x2781
275A	Lights Out implementation	900	x28438