Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
14:42:54
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constructive algorithms

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Problems

#	Name
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x8474
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x7179
1968E	Cells Arrangement constructive algorithms	1600	x9103
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x11663
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7417
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6843
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6261
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6620
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12848
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8090
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6046
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6962
1898C	Colorful Grid constructive algorithms	1700	x5105
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8308
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11916
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6949
1873G	ABBC or BACB constructive algorithms, greedy	1500	x12269
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6650
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6477
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10050
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7955
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6930
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10410
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7187
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x12191
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7345
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x8275
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12302
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x9349
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7375
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7238
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x7631
1776F	Train Splitting constructive algorithms, graphs, greedy	1700	x3307
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7557
1774B	Coloring constructive algorithms, greedy, math	1500	x11806
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9597
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x4001
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9987
1742F	Smaller constructive algorithms, greedy, strings	1500	x11107
1740D	Knowledge Cards constructive algorithms, data structures	1500	x7828
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8830
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5622
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x10713
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10709
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x13072
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6753
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x8098
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10605
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9514
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x8855
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x7996
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3523
1684D	Traps constructive algorithms, greedy, sortings	1700	x9430
1672D	Cyclic Rotation constructive algorithms, greedy, implementation, two pointers	1700	x6070
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7429
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7067
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9176
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13537
1630A	And Matching bitmasks, constructive algorithms	1500	x14233
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8807
1618E	Singers' Tour constructive algorithms, math	1700	x7028
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10031
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9628
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13209
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7213
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7730
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10252
1562C	Rings constructive algorithms, math	1500	x13030
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11954
1551D1	Domino (easy version) constructive algorithms, math	1700	x6921
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x7490
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22379
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x13261
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x8980
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x11640
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11172
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x12760
1503B	3-Coloring constructive algorithms, games, interactive	1700	x6878
1503A	Balance the Bits constructive algorithms, greedy	1600	x13125
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16709
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13838
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9143
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11391
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12327
1473C	No More Inversions constructive algorithms, math	1500	x12457
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9212
1439A1	Binary Table (Easy Version) constructive algorithms, implementation	1500	x9221
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15662
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14965
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11582
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x9906
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16879
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17824
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x15087
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10311
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x12848
1372C	Omkar and Baseball constructive algorithms, math	1500	x17561
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x12871
1368C	Even Picture constructive algorithms	1500	x13095
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19257

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