Problemset - Codeforces

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Codeforces Round 1002 (Div. 2)
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Problems

#	Name
301A	Yaroslav and Sequence constructive algorithms	1800	x3100
300E	Empire Strikes Back binary search, math, number theory	2300	x1050
300D	Painting Square dp, fft	2300	x760
300C	Beautiful Numbers brute force, combinatorics	1800	x9896
300B	Coach brute force, dfs and similar, graphs	1500	x6441
300A	Array brute force, constructive algorithms, implementation	1100	x23467
299B	Ksusha the Squirrel brute force, implementation	900	x5531
299A	Ksusha and Array brute force, number theory, sortings	1000	x8319
298B	Sail brute force, greedy, implementation	1200	x14474
298A	Snow Footprints greedy, implementation	1300	x11073
297E	Mystic Carvings data structures	3000	x386
297D	Color the Carpet constructive algorithms	2500	x592
297C	Splitting the Uniqueness constructive algorithms	2400	x970
297B	Fish Weight constructive algorithms, greedy	1600	x3561
297A	Parity Game constructive algorithms	1700	x3670
296B	Yaroslav and Two Strings combinatorics, dp	2000	x2335
296A	Yaroslav and Permutations greedy, math	1100	x23775
295E	Yaroslav and Points data structures	2500	x707
295D	Greg and Caves combinatorics, dp	2400	x673
295C	Greg and Friends combinatorics, dp, graphs, shortest paths	2100	x1773
295B	Greg and Graph dp, graphs, shortest paths	1700	x14834
295A	Greg and Array data structures, implementation	1400	x19041
294E	Shaass the Great dp, trees	2300	x984
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x366
294C	Shaass and Lights combinatorics, number theory	1900	x3880
294B	Shaass and Bookshelf dp, greedy	1700	x4606
294A	Shaass and Oskols implementation, math	800	x24177
293E	Close Vertices data structures, divide and conquer, trees	2700	x1493
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x240
293C	Cube Problem brute force, math, number theory	2400	x581
293B	Distinct Paths brute force, combinatorics	2700	x886
293A	Weird Game games, greedy	1500	x2941
292E	Copying Data data structures	1900	x4266
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2467
292C	Beautiful IP Addresses brute force	2000	x1176
292B	Network Topology graphs, implementation	1200	x8709
292A	SMSC implementation	1100	x2724
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1330
291D	Parallel Programming *special problem, greedy	1600	x1486
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1696
291B	Command Line Arguments *special problem, implementation, strings	1300	x3038
291A	Spyke Talks *special problem, implementation, sortings	800	x6176
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x134
290E	HQ *special problem, constructive algorithms	2500	x206
290D	Orange *special problem, implementation	1400	x1819
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1555
290B	QR code *special problem, implementation	1500	x2458
290A	Mysterious strings *special problem, implementation	1400	x3020
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17674
289A	Polo the Penguin and Segments brute force, implementation	1100	x9492
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x301
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x761
288C	Polo the Penguin and XOR operation implementation, math	1700	x2348
288B	Polo the Penguin and Houses combinatorics	1500	x2961
288A	Polo the Penguin and Strings greedy	1300	x6536
287B	Pipeline binary search, math	1700	x10197
287A	IQ Test brute force, implementation	1100	x20319
286E	Ladies' Shop constructive algorithms, fft, math	2800	x836
286D	Tourists data structures, sortings	2600	x380
286C	Main Sequence greedy, implementation	2100	x1536
286B	Shifting implementation	2200	x1127
286A	Lucky Permutation constructive algorithms, math	1400	x3209
285E	Positions in Permutations combinatorics, dp, math	2600	x1027
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1566
285C	Building Permutation greedy, implementation, sortings	1200	x23657
285B	Find Marble implementation	1200	x15181
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13516
284B	Cows and Poker Game brute force, implementation	1000	x6952
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6686
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x783
283D	Cows and Cool Sequences dp, math, number theory	2400	x555
283C	Coin Troubles dp	2100	x1471
283B	Cow Program dfs and similar, dp, graphs	1700	x3683
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6613
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3708
282D	Yet Another Number Game dp, games	2100	x1458
282C	XOR and OR constructive algorithms, implementation, math	1500	x9542
282B	Painting Eggs greedy, math	1500	x13165
282A	Bit++ implementation	800	x280893
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3051
281A	Word Capitalization implementation, strings	800	x224020
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x208
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1368
280C	Game on Tree implementation, math, probabilities, trees	2200	x4231
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4797
280A	Rectangle Puzzle geometry	2000	x1476
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1459
279D	The Minimum Number of Variables bitmasks, dp	2200	x786
279C	Ladder dp, implementation, two pointers	1700	x8357
279B	Books binary search, brute force, implementation, two pointers	1400	x56100
279A	Point on Spiral brute force, geometry, implementation	1400	x5647
278B	New Problem brute force, strings	1500	x3477
278A	Circle Line implementation	800	x11971
277E	Binary Tree on Plane flows, trees	2400	x1342
277D	Google Code Jam dp, probabilities	2800	x341
277C	Game games, implementation	2400	x458
277B	Set of Points constructive algorithms, geometry	2300	x818
277A	Learning Languages dfs and similar, dsu	1400	x19373
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1656
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x14232