Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10554
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x10322
1144D	Equalize Them All constructive algorithms, greedy	1400	x10012
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9907
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9753
1103A	Grid game constructive algorithms, implementation	1400	x9580
1266C	Diverse Matrix constructive algorithms, greedy, math, number theory	1400	x9349
1750C	Complementary XOR constructive algorithms, implementation	1400	x9239
525B	Pasha and String constructive algorithms, greedy, math, strings	1400	x9180
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x9154
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8907
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8574
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8349
357B	Flag Day constructive algorithms, implementation	1400	x8031
1088C	Ehab and a 2-operation task constructive algorithms, greedy, math	1400	x7934
544B	Sea and Islands constructive algorithms, implementation	1400	x7814
359B	Permutation constructive algorithms, dp, math	1400	x7711
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7544
1004C	Sonya and Robots constructive algorithms, implementation	1400	x7428
675B	Restoring Painting brute force, constructive algorithms, math	1400	x7283
911C	Three Garlands brute force, constructive algorithms	1400	x6958
727C	Guess the Array constructive algorithms, interactive, math	1400	x6899
369B	Valera and Contest constructive algorithms, implementation, math	1400	x6288
808C	Tea Party constructive algorithms, greedy, sortings	1400	x5956
313C	Ilya and Matrix constructive algorithms, greedy, implementation, sortings	1400	x5520
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5187
803A	Maximal Binary Matrix constructive algorithms	1400	x4739
417C	Football constructive algorithms, graphs, implementation	1400	x4606
748C	Santa Claus and Robot constructive algorithms, math	1400	x4539
865A	Save the problem! constructive algorithms	1400	x4139
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4070
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3896
286A	Lucky Permutation constructive algorithms, math	1400	x3103
335A	Banana binary search, constructive algorithms, greedy	1400	x2512
637C	Promocodes with Mistakes *special problem, brute force, constructive algorithms, implementation	1400	x2409
649B	Этажи constructive algorithms	1400	x518
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22031
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19012
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17651
1372C	Omkar and Baseball constructive algorithms, math	1500	x17360
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16727
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16209
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15463
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x14714
1630A	And Matching bitmasks, constructive algorithms	1500	x14050
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x13673
268C	Beautiful Sets of Points constructive algorithms, implementation	1500	x13249
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13131
1368C	Even Picture constructive algorithms	1500	x12993
1325C	Ehab and Path-etic MEXs constructive algorithms, dfs and similar, greedy, trees	1500	x12915
1562C	Rings constructive algorithms, math	1500	x12896
1283C	Friends and Gifts constructive algorithms, data structures, math	1500	x12782
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x12588
1473C	No More Inversions constructive algorithms, math	1500	x12353
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12271
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12269
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x12017
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x11895
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x11826
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11628
1774B	Coloring constructive algorithms, greedy, math	1500	x11549
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11225
441C	Valera and Tubes constructive algorithms, dfs and similar, implementation	1500	x10835
1215C	Swap Letters constructive algorithms, greedy	1500	x10804
1742F	Smaller constructive algorithms, greedy, strings	1500	x10765
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10586
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x10315
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10158
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9905
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9766
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9630
1611D	Weights Assignment For Tree Edges constructive algorithms, trees	1500	x9494
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9394
1439A1	Binary Table (Easy Version) constructive algorithms, implementation	1500	x9155
282C	XOR and OR constructive algorithms, implementation, math	1500	x9103
1110C	Meaningless Operations constructive algorithms, math, number theory	1500	x8913
1114B	Yet Another Array Partitioning Task constructive algorithms, greedy, sortings	1500	x8844
1186D	Vus the Cossack and Numbers constructive algorithms, greedy, math	1500	x8703
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8691
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8678
468A	24 Game constructive algorithms, greedy, math	1500	x7849
1740D	Knowledge Cards constructive algorithms, data structures	1500	x7678
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7617
496C	Removing Columns brute force, constructive algorithms, implementation	1500	x7555
1209C	Paint the Digits constructive algorithms, greedy, implementation	1500	x7218
1178D	Prime Graph constructive algorithms, greedy, math, number theory	1500	x7141
557B	Pasha and Tea constructive algorithms, implementation, math, sortings	1500	x7078
1158A	The Party and Sweets binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers	1500	x6843
1167D	Bicolored RBS constructive algorithms, greedy	1500	x6830
1043C	Smallest Word constructive algorithms, greedy, implementation	1500	x6776
771B	Bear and Different Names constructive algorithms, greedy	1500	x6627
1119C	Ramesses and Corner Inversion constructive algorithms, greedy, implementation, math	1500	x6558
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5804
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5690
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5674
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5602
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5553
501C	Misha and Forest constructive algorithms, data structures, greedy, sortings, trees	1500	x5507
901A	Hashing Trees constructive algorithms, trees	1500	x5010
710C	Magic Odd Square constructive algorithms, math	1500	x4981