Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
39:28:31
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constructive algorithms

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Problems

#	Name
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2409
335A	Banana binary search, constructive algorithms, greedy	1400	x2505
286A	Lucky Permutation constructive algorithms, math	1400	x3102
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3887
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4064
865A	Save the problem! constructive algorithms	1400	x4137
748C	Santa Claus and Robot constructive algorithms, math	1400	x4539
417C	Football constructive algorithms, graphs, implementation	1400	x4605
803A	Maximal Binary Matrix constructive algorithms	1400	x4737
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5184
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5515
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5953
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6286
727C	Guess the Array constructive algorithms, interactive, math	1400	x6889
911C	Three Garlands brute force, constructive algorithms	1400	x6954
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7282
1004C	Sonya and Robots constructive algorithms, implementation	1400	x7426
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7541
359B	Permutation constructive algorithms, dp, math	1400	x7707
544B	Sea and Islands constructive algorithms, implementation	1400	x7805
1088C	Ehab and a 2-operation task constructive algorithms, greedy, math	1400	x7930
357B	Flag Day constructive algorithms, implementation	1400	x8026
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8348
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8552
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8897
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9145
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9175
1750C	Complementary XOR constructive algorithms, implementation	1400	x9231
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9347
1103A	Grid game constructive algorithms, implementation	1400	x9575
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9750
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9879
1144D	Equalize Them All constructive algorithms, greedy	1400	x9909
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x10283
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10537
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10605
1316B	String Modification brute force, constructive algorithms, implementation, sortings, strings	1400	x10969
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11296
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11580
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11846
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12004
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x12102
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12243
679A	Bear and Prime 100 constructive algorithms, interactive, math	1400	x12292
1421C	Palindromifier constructive algorithms, strings	1400	x12470
1833D	Flipper brute force, constructive algorithms, greedy	1400	x12642
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x12764
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x12875
1923C	Find B constructive algorithms, greedy	1400	x12935
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x13051
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13086
1453B	Suffix Operations constructive algorithms, implementation	1400	x13117
1559D1	Mocha and Diana (Easy Version) brute force, constructive algorithms, dsu, graphs, greedy, trees	1400	x13174
1837D	Bracket Coloring constructive algorithms, greedy	1400	x13258
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13299
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x13392
1270C	Make Good bitmasks, constructive algorithms, math	1400	x13572
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x13661
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x13695
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13918
1627C	Not Assigning constructive algorithms, dfs and similar, number theory, trees	1400	x14013
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14088
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x14122
1108D	Diverse Garland constructive algorithms, dp, greedy	1400	x14684
1772D	Absolute Sorting constructive algorithms, math	1400	x14853
1551B2	Wonderful Coloring - 2 binary search, constructive algorithms, data structures, greedy	1400	x15023
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15059
1628A	Meximum Array binary search, constructive algorithms, greedy, implementation, math, two pointers	1400	x15175
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x15360
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16232
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16455
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17013
1355D	Game With Array constructive algorithms, math	1400	x17402
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17573
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18698
401C	Team constructive algorithms, greedy, implementation	1400	x19246
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20405
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20669
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22194
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x24503
85A	Domino constructive algorithms, implementation	1300	x1754
238A	Not Wool Sequences constructive algorithms, math	1300	x2004
730H	Delete Them constructive algorithms, implementation	1300	x2916
634A	Island Puzzle constructive algorithms, implementation	1300	x3085
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3838
311A	The Closest Pair constructive algorithms, implementation	1300	x3992
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4074
820B	Mister B and Angle in Polygon constructive algorithms, geometry, math	1300	x5079
814B	An express train to reveries constructive algorithms	1300	x5544
659B	Qualifying Contest constructive algorithms, sortings	1300	x6176
909B	Segments constructive algorithms, math	1300	x6192
626B	Cards constructive algorithms, dp, math	1300	x6501
633B	A Trivial Problem brute force, constructive algorithms, math, number theory	1300	x6535
625C	K-special Tables constructive algorithms, implementation	1300	x6638
610B	Vika and Squares constructive algorithms, implementation	1300	x7040
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7585
303A	Lucky Permutation Triple constructive algorithms, implementation, math	1300	x7681
899C	Dividing the numbers constructive algorithms, graphs, math	1300	x8258
347A	Difference Row constructive algorithms, implementation, sortings	1300	x8756
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8799