Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
293A	Weird Game games, greedy	1500	x2853
292E	Copying Data data structures	1900	x4013
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2377
291D	Parallel Programming *special problem, greedy	1600	x1472
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1670
291B	Command Line Arguments *special problem, implementation, strings	1300	x3022
290D	Orange *special problem, implementation	1400	x1790
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1531
290B	QR code *special problem, implementation	1500	x2417
290A	Mysterious strings *special problem, implementation	1400	x2979
289B	Polo the Penguin and Matrix brute force, dp, implementation, sortings, ternary search	1400	x17050
288C	Polo the Penguin and XOR operation implementation, math	1700	x2270
288B	Polo the Penguin and Houses combinatorics	1500	x2893
288A	Polo the Penguin and Strings greedy	1300	x6462
287B	Pipeline binary search, math	1700	x9309
286A	Lucky Permutation constructive algorithms, math	1400	x3138
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1514
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6494
283B	Cow Program dfs and similar, dp, graphs	1700	x3633
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6520
282C	XOR and OR constructive algorithms, implementation, math	1500	x9274
282B	Painting Eggs greedy, math	1500	x12759
281B	Nearest Fraction brute force, implementation, two pointers	1700	x2957
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4485
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1421
279C	Ladder dp, implementation, two pointers	1700	x8151
279B	Books binary search, brute force, implementation, two pointers	1400	x50328
279A	Point on Spiral brute force, geometry, implementation	1400	x5552
278B	New Problem brute force, strings	1500	x3437
277A	Learning Languages dfs and similar, dsu	1400	x18471
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13445
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x25233
276B	Little Girl and Game games, greedy	1300	x27931
275B	Convex Shape constructive algorithms, implementation	1700	x2801
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4947
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x9951
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2601
272C	Dima and Staircase data structures, implementation	1500	x6726
272B	Dima and Sequence implementation, math	1400	x3980
271D	Good Substrings data structures, strings	1800	x10797
271C	Secret constructive algorithms, implementation	1500	x2922
271B	Prime Matrix binary search, brute force, math, number theory	1300	x12728
270B	Multithreading data structures, greedy, implementation	1400	x4106
269B	Greenhouse Effect dp	1700	x6232
269A	Magical Boxes greedy, math	1600	x3501
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13518
264B	Good Sequences dp, number theory	1500	x9900
263D	Cycle in Graph dfs and similar, graphs	1800	x3402
261B	Maxim and Restaurant dp, math, probabilities	1900	x1379
261A	Maxim and Discounts greedy, sortings	1400	x5130
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2944
260B	Ancient Prophesy brute force, implementation, strings	1600	x3785
260A	Adding Digits implementation, math	1400	x14383
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1430
257D	Sum greedy, math	1900	x1562
257C	View Angle brute force, geometry, math	1800	x4249
257B	Playing Cubes games, greedy, implementation	1300	x6966
255D	Mr. Bender and Square binary search, implementation, math	1800	x1942
255C	Almost Arithmetical Progression brute force, dp	1500	x4667
254C	Anagram greedy, strings	1800	x1482
254B	Jury Size brute force, implementation	1500	x2136
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2563
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10493
252B	Unsorting Array brute force, sortings	1800	x1701
251B	Playing with Permutations implementation, math	1800	x1260
251A	Points on Line binary search, combinatorics, two pointers	1300	x17101
250D	Building Bridge geometry, ternary search, two pointers	1900	x882
250C	Movie Critics greedy	1600	x1901
250B	Restoring IPv6 implementation, strings	1500	x1967
248B	Chilly Willy math, number theory	1400	x5253
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9321
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2613
246B	Increase and Decrease greedy, math	1300	x11116
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6336
245E	Mishap in Club greedy, implementation	1400	x3252
245D	Restoring Table constructive algorithms, greedy	1500	x2265
245C	Game with Coins greedy	1700	x1531
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4429
243A	The Brand New Function bitmasks	1600	x3855
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8338
241G	Challenging Balloons constructive algorithms	1900	x543
241A	Old Peykan greedy	1300	x2217
239B	Easy Tape Programming brute force, implementation	1500	x1365
238B	Boring Partition constructive algorithms	1800	x1281
238A	Not Wool Sequences constructive algorithms, math	1300	x2023
237C	Primes on Interval binary search, number theory, two pointers	1600	x5647
237B	Young Table implementation, sortings	1500	x2225
236B	Easy Number Challenge implementation, number theory	1300	x13853
235A	LCM Challenge number theory	1600	x17331
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1465
234F	Fence dp	1800	x1721
234E	Champions' League implementation	1600	x995
234D	Cinema implementation	1600	x1525
234C	Weather dp, implementation	1300	x5400
233B	Non-square Equation binary search, brute force, math	1400	x7385
232B	Table bitmasks, combinatorics, dp, math	1900	x1401
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2489
231D	Magic Box brute force, geometry	1600	x4055
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8499
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3578