Problemset - Codeforces

Problems

#	Name
294E	Shaass the Great dp, trees	2300	x949
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x362
294C	Shaass and Lights combinatorics, number theory	1900	x3834
294B	Shaass and Bookshelf dp, greedy	1700	x4562
294A	Shaass and Oskols implementation, math	800	x23771
293E	Close Vertices data structures, divide and conquer, trees	2700	x1444
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x239
293C	Cube Problem brute force, math, number theory	2400	x575
293B	Distinct Paths brute force, combinatorics	2700	x870
293A	Weird Game games, greedy	1500	x2899
292E	Copying Data data structures	1900	x4171
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2441
292C	Beautiful IP Addresses brute force	2000	x1171
292B	Network Topology graphs, implementation	1200	x8468
292A	SMSC implementation	1100	x2705
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1316
291D	Parallel Programming *special problem, greedy	1600	x1479
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1682
291B	Command Line Arguments *special problem, implementation, strings	1300	x3032
291A	Spyke Talks *special problem, implementation, sortings	800	x6102
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x134
290E	HQ *special problem, constructive algorithms	2500	x205
290D	Orange *special problem, implementation	1400	x1804
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1548
290B	QR code *special problem, implementation	1500	x2446
290A	Mysterious strings *special problem, implementation	1400	x3004
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17405
289A	Polo the Penguin and Segments brute force, implementation	1100	x9294
288E	Polo the Penguin and Lucky Numbers dp, implementation, math	2800	x298
288D	Polo the Penguin and Trees combinatorics, dfs and similar, trees	2400	x757
288C	Polo the Penguin and XOR operation implementation, math	1700	x2306
288B	Polo the Penguin and Houses combinatorics	1500	x2939
288A	Polo the Penguin and Strings greedy	1300	x6510
287B	Pipeline binary search, math	1700	x9867
287A	IQ Test brute force, implementation	1100	x19923
286E	Ladies' Shop constructive algorithms, fft, math	2800	x833
286D	Tourists data structures, sortings	2600	x379
286C	Main Sequence greedy, implementation	2100	x1512
286B	Shifting implementation	2200	x1119
286A	Lucky Permutation constructive algorithms, math	1400	x3180
285E	Positions in Permutations combinatorics, dp, math	2600	x1000
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1555
285C	Building Permutation greedy, implementation, sortings	1200	x23394
285B	Find Marble implementation	1200	x15062
285A	Slightly Decreasing Permutations greedy, implementation	1100	x13378
284B	Cows and Poker Game brute force, implementation	1000	x6854
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6603
283E	Cow Tennis Tournament combinatorics, data structures, math	2800	x774
283D	Cows and Cool Sequences dp, math, number theory	2400	x535
283C	Coin Troubles dp	2100	x1447
283B	Cow Program dfs and similar, dp, graphs	1700	x3670
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6580
282E	Sausage Maximization bitmasks, data structures, trees	2200	x3631
282D	Yet Another Number Game dp, games	2100	x1445
282C	XOR and OR constructive algorithms, implementation, math	1500	x9438
282B	Painting Eggs greedy, math	1500	x13013
282A	Bit++ implementation	800	x266641
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3036
281A	Word Capitalization implementation, strings	800	x214436
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x207
280D	k-Maximum Subsequence Sum data structures, flows, graphs, implementation	2800	x1317
280C	Game on Tree implementation, math, probabilities, trees	2200	x4126
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4728
280A	Rectangle Puzzle geometry	2000	x1472
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1448
279D	The Minimum Number of Variables bitmasks, dp	2200	x734
279C	Ladder dp, implementation, two pointers	1700	x8282
279B	Books binary search, brute force, implementation, two pointers	1400	x53753
279A	Point on Spiral brute force, geometry, implementation	1400	x5618
278B	New Problem brute force, strings	1500	x3461
278A	Circle Line implementation	800	x11690
277E	Binary Tree on Plane flows, trees	2400	x1290
277D	Google Code Jam dp, probabilities	2800	x336
277C	Game games, implementation	2400	x452
277B	Set of Points constructive algorithms, geometry	2300	x811
277A	Learning Languages dfs and similar, dsu	1400	x19006
276E	Little Girl and Problem on Trees data structures, graphs, trees	2100	x1613
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13934
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x27101
276B	Little Girl and Game games, greedy	1300	x28754
276A	Lunch Rush implementation	900	x27778
275B	Convex Shape constructive algorithms, implementation	1700	x2827
275A	Lights Out implementation	900	x30402
274E	Mirror Room data structures, implementation	3000	x313
274D	Lovely Matrix dfs and similar, graphs, greedy, sortings	2200	x1042
274C	The Last Hole! brute force, geometry	2600	x350
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5040
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10090
273E	Dima and Game dp, games	2600	x366
273D	Dima and Figure dp	2400	x417
272E	Dima and Horses combinatorics, constructive algorithms, graphs	2200	x1229
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2628
272C	Dima and Staircase data structures, implementation	1500	x6800
272B	Dima and Sequence implementation, math	1400	x4033
272A	Dima and Friends implementation, math	1000	x24744
271E	Three Horses constructive algorithms, math, number theory	2200	x503
271D	Good Substrings data structures, strings	1800	x11462
271C	Secret constructive algorithms, implementation	1500	x2998
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13178
271A	Beautiful Year brute force	800	x140064