Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
28:10:40
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constructive algorithms

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Problems

#	Name
570C	Replacement constructive algorithms, data structures, implementation	1600	x8965
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x8989
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9081
518A	Vitaly and Strings constructive algorithms, strings	1600	x9106
1321C	Remove Adjacent brute force, constructive algorithms, greedy, strings	1600	x9497
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9525
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x9871
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10101
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10674
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x11025
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11278
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x11379
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11723
1364C	Ehab and Prefix MEXs brute force, constructive algorithms, greedy	1600	x12660
1371D	Grid-00100 constructive algorithms, greedy, implementation	1600	x12785
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x12803
1503A	Balance the Bits constructive algorithms, greedy	1600	x12976
1327C	Game with Chips constructive algorithms, implementation	1600	x13034
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13050
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14175
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x14944
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16034
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16402
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17310
1352G	Special Permutation constructive algorithms	1600	x19723
649C	Печать условий constructive algorithms, greedy, sortings	1500	x439
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x1903
245D	Restoring Table constructive algorithms, greedy	1500	x2214
271C	Secret constructive algorithms, implementation	1500	x2902
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3553
1054C	Candies Distribution constructive algorithms, implementation	1500	x4228
1081B	Farewell Party constructive algorithms, implementation	1500	x4385
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520
329A	Purification constructive algorithms, greedy	1500	x4586
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x4976
710C	Magic Odd Square constructive algorithms, math	1500	x4980
901A	Hashing Trees constructive algorithms, trees	1500	x5007
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5506
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5548
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5602
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5671
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5687
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5797
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6556
771B	Bear and Different Names constructive algorithms, greedy	1500	x6626
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6767
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6776
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6809
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7075
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7138
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7216
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7554
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7609
1740D	Knowledge Cards constructive algorithms, data structures	1500	x7671
468A	24 Game constructive algorithms, greedy, math	1500	x7760
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8656
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8683
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8702
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8843
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x8909
282C	XOR and OR constructive algorithms, implementation, math	1500	x9094
1439A1	Binary Table (Easy Version) constructive algorithms, implementation	1500	x9149
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9383
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9474
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9623
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9756
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9900
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10138
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x10283
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10579
1742F	Smaller constructive algorithms, greedy, strings	1500	x10741
1215C	Swap Letters constructive algorithms, greedy	1500	x10798
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10826
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11181
1774B	Coloring constructive algorithms, greedy, math	1500	x11525
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11588
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11813
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x11875
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x11989
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12209
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12262
1473C	No More Inversions constructive algorithms, math	1500	x12346
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x12576
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x12779
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12869
1562C	Rings constructive algorithms, math	1500	x12888
1368C	Even Picture constructive algorithms	1500	x12984
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13108
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13239
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13665
1630A	And Matching bitmasks, constructive algorithms	1500	x14041
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14683
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15460
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16182
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16714
1372C	Omkar and Baseball constructive algorithms, math	1500	x17353
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17634
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x18996
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22000
649B	Этажи constructive algorithms	1400	x518