Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19072
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19043
1770B	Koxia and Permutation constructive algorithms	1000	x19034
1811C	Restore the Array constructive algorithms, greedy	1100	x18970
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18825
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18805
1869A	Make It Zero constructive algorithms	900	x18779
1787A	Exponential Equation constructive algorithms, math	800	x18767
1608A	Find Array constructive algorithms, math	800	x18728
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x18694
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18676
1497B	M-arrays constructive algorithms, greedy, math	1200	x18629
1831B	Array merging constructive algorithms, greedy	1000	x18622
1569B	Chess Tournament constructive algorithms	1000	x18590
1694B	Paranoid String constructive algorithms, greedy	1200	x18573
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18551
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18546
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18544
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18542
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18519
1891A	Sorting with Twos constructive algorithms, sortings	800	x18422
1461A	String Generation constructive algorithms, greedy	800	x18409
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18398
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18398
1719B	Mathematical Circus constructive algorithms, math	800	x18308
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18306
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18283
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18259
1375A	Sign Flipping constructive algorithms, math	1100	x18049
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x18011
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17992
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x17975
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17960
1634C	OKEA constructive algorithms	1000	x17950
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17881
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17827
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17786
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17724
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17638
1612A	Distance brute force, constructive algorithms	800	x17502
1450A	Avoid Trygub constructive algorithms, sortings	800	x17501
1844B	Permutations & Primes constructive algorithms, math	1000	x17485
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17448
1355D	Game With Array constructive algorithms, math	1400	x17441
1372C	Omkar and Baseball constructive algorithms, math	1500	x17400
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17380
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17369
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17319
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17226
1783B	Matrix of Differences constructive algorithms, math	1100	x17202
1810B	Candies constructive algorithms, math, number theory	800	x17173
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17136
1761A	Two Permutations brute force, constructive algorithms	800	x17121
672B	Different is Good constructive algorithms, implementation, strings	1000	x17080
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x17069
1806B	Mex Master constructive algorithms, greedy	900	x17063
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17051
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17050
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x16966
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x16952
1375B	Neighbor Grid constructive algorithms, greedy	1200	x16925
1612B	Special Permutation constructive algorithms, greedy	900	x16901
1713C	Build Permutation constructive algorithms, dp, math	1200	x16854
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16804
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16777
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16777
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16774
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16710
1951A	Dual Trigger constructive algorithms, greedy, math	900	x16693
1935B	Informatics in MAC constructive algorithms	1200	x16610
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16554
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16521
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16515
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16496
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x16459
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16454
1635C	Differential Sorting constructive algorithms, greedy	1200	x16445
330B	Road Construction constructive algorithms, graphs	1300	x16389
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16314
1196B	Odd Sum Segments constructive algorithms, math	1200	x16290
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16282
805B	3-palindrome constructive algorithms	1000	x16256
361A	Levko and Table constructive algorithms, implementation	800	x16256
1969A	Two Friends constructive algorithms, implementation, math	800	x16221
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16216
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16209
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16203
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16198
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16133
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16124
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16104
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16093
1443A	Kids Seating constructive algorithms, math	800	x16079
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x15984
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15971
1822D	Super-Permutation constructive algorithms, math	1200	x15965
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15907
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15856
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15830
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x15808