Problemset - Codeforces

Problems

#	Name
288A	Polo the Penguin and Strings greedy	1300	x6515
287B	Pipeline binary search, math	1700	x9896
286A	Lucky Permutation constructive algorithms, math	1400	x3186
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1555
284A	Cows and Primitive Roots implementation, math, number theory	1400	x6609
283B	Cow Program dfs and similar, dp, graphs	1700	x3671
283A	Cows and Sequence constructive algorithms, data structures, implementation	1600	x6585
282C	XOR and OR constructive algorithms, implementation, math	1500	x9442
282B	Painting Eggs greedy, math	1500	x13026
281B	Nearest Fraction brute force, implementation, two pointers	1700	x3036
280B	Maximum Xor Secondary data structures, implementation, two pointers	1800	x4741
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1449
279C	Ladder dp, implementation, two pointers	1700	x8290
279B	Books binary search, brute force, implementation, two pointers	1400	x54007
279A	Point on Spiral brute force, geometry, implementation	1400	x5621
278B	New Problem brute force, strings	1500	x3463
277A	Learning Languages dfs and similar, dsu	1400	x19059
276D	Little Girl and Maximum XOR bitmasks, dp, greedy, implementation, math	1700	x13965
276C	Little Girl and Maximum Sum data structures, greedy, implementation, sortings	1500	x27227
276B	Little Girl and Game games, greedy	1300	x28806
275B	Convex Shape constructive algorithms, implementation	1700	x2827
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x5044
274A	k-Multiple Free Set binary search, greedy, sortings	1500	x10106
272D	Dima and Two Sequences combinatorics, math, sortings	1600	x2630
272C	Dima and Staircase data structures, implementation	1500	x6805
272B	Dima and Sequence implementation, math	1400	x4035
271D	Good Substrings data structures, strings	1800	x11493
271C	Secret constructive algorithms, implementation	1500	x2999
271B	Prime Matrix binary search, brute force, math, number theory	1300	x13221
270B	Multithreading data structures, greedy, implementation	1400	x4184
269B	Greenhouse Effect dp	1700	x6346
269A	Magical Boxes greedy, math	1600	x3535
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13703
264B	Good Sequences dp, number theory	1500	x10372
263D	Cycle in Graph dfs and similar, graphs	1800	x3638
261B	Maxim and Restaurant dp, math, probabilities	1900	x1418
261A	Maxim and Discounts greedy, sortings	1400	x5208
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2986
260B	Ancient Prophesy brute force, implementation, strings	1600	x3828
260A	Adding Digits implementation, math	1400	x14868
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1453
257D	Sum greedy, math	1900	x1610
257C	View Angle brute force, geometry, math	1800	x4389
257B	Playing Cubes games, greedy, implementation	1300	x7124
255D	Mr. Bender and Square binary search, implementation, math	1800	x2011
255C	Almost Arithmetical Progression brute force, dp	1500	x4732
254C	Anagram greedy, strings	1800	x1501
254B	Jury Size brute force, implementation	1500	x2161
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2616
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10814
252B	Unsorting Array brute force, sortings	1800	x1721
251B	Playing with Permutations implementation, math	1800	x1276
251A	Points on Line binary search, combinatorics, two pointers	1300	x17895
250D	Building Bridge geometry, ternary search, two pointers	1900	x895
250C	Movie Critics greedy	1600	x1951
250B	Restoring IPv6 implementation, strings	1500	x1997
248B	Chilly Willy math, number theory	1400	x5346
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9485
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2636
246B	Increase and Decrease greedy, math	1300	x11359
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6846
245E	Mishap in Club greedy, implementation	1400	x3297
245D	Restoring Table constructive algorithms, greedy	1500	x2325
245C	Game with Coins greedy	1700	x1552
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4514
243A	The Brand New Function bitmasks	1600	x3952
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8767
241G	Challenging Balloons constructive algorithms	1900	x548
241A	Old Peykan greedy	1300	x2243
239B	Easy Tape Programming brute force, implementation	1500	x1374
238B	Boring Partition constructive algorithms	1800	x1333
238A	Not Wool Sequences constructive algorithms, math	1300	x2048
237C	Primes on Interval binary search, number theory, two pointers	1600	x5839
237B	Young Table implementation, sortings	1500	x2241
236B	Easy Number Challenge implementation, number theory	1300	x14433
235A	LCM Challenge number theory	1600	x17966
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1480
234F	Fence dp	1800	x1749
234E	Champions' League implementation	1600	x1002
234D	Cinema implementation	1600	x1541
234C	Weather dp, implementation	1300	x5565
233B	Non-square Equation binary search, brute force, math	1400	x7542
232B	Table bitmasks, combinatorics, dp, math	1900	x1479
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2550
231D	Magic Box brute force, geometry	1600	x4109
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8685
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3624
230B	T-primes binary search, implementation, math, number theory	1300	x76716
229C	Triangles combinatorics, graphs, math	1900	x1630
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4726
229A	Shifts brute force, two pointers	1500	x3529
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2480
228B	Two Tables brute force, implementation	1400	x3469
227A	Where do I Turn? geometry	1300	x4225
226B	Naughty Stone Piles greedy	1900	x1566
226A	Flying Saucer Segments math	1400	x4011
225C	Barcode dp, matrices	1700	x9216
225B	Well-known Numbers binary search, greedy, number theory	1600	x3164
224B	Array bitmasks, implementation, two pointers	1500	x7358
223C	Partial Sums combinatorics, math, number theory	1900	x1568