Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1770B	Koxia and Permutation constructive algorithms	1000	x19022
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19022
1811C	Restore the Array constructive algorithms, greedy	1100	x18914
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18772
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18752
1787A	Exponential Equation constructive algorithms, math	800	x18749
1608A	Find Array constructive algorithms, math	800	x18710
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x18672
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18655
1869A	Make It Zero constructive algorithms	900	x18615
1569B	Chess Tournament constructive algorithms	1000	x18578
1497B	M-arrays constructive algorithms, greedy, math	1200	x18550
1694B	Paranoid String constructive algorithms, greedy	1200	x18528
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18524
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18504
1831B	Array merging constructive algorithms, greedy	1000	x18503
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18498
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18467
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18405
1461A	String Generation constructive algorithms, greedy	800	x18400
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18383
1891A	Sorting with Twos constructive algorithms, sortings	800	x18367
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18350
1719B	Mathematical Circus constructive algorithms, math	800	x18300
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18275
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18261
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x18259
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18161
1375A	Sign Flipping constructive algorithms, math	1100	x18040
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17955
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x17943
1634C	OKEA constructive algorithms	1000	x17939
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17901
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17859
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17823
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17795
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17737
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17687
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17605
1450A	Avoid Trygub constructive algorithms, sortings	800	x17496
1612A	Distance brute force, constructive algorithms	800	x17488
1844B	Permutations & Primes constructive algorithms, math	1000	x17447
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17438
1355D	Game With Array constructive algorithms, math	1400	x17423
1372C	Omkar and Baseball constructive algorithms, math	1500	x17377
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17349
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17294
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17236
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17215
1783B	Matrix of Differences constructive algorithms, math	1100	x17178
1810B	Candies constructive algorithms, math, number theory	800	x17142
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17085
672B	Different is Good constructive algorithms, implementation, strings	1000	x17062
1806B	Mex Master constructive algorithms, greedy	900	x17032
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17024
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17023
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x16985
1761A	Two Permutations brute force, constructive algorithms	800	x16957
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x16941
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x16936
1375B	Neighbor Grid constructive algorithms, greedy	1200	x16918
1612B	Special Permutation constructive algorithms, greedy	900	x16882
1713C	Build Permutation constructive algorithms, dp, math	1200	x16835
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16779
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16757
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16754
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16678
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16654
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16527
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16488
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16485
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16455
1935B	Informatics in MAC constructive algorithms	1200	x16442
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x16436
1951A	Dual Trigger constructive algorithms, greedy, math	900	x16431
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16420
1635C	Differential Sorting constructive algorithms, greedy	1200	x16381
330B	Road Construction constructive algorithms, graphs	1300	x16365
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16263
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16263
1196B	Odd Sum Segments constructive algorithms, math	1200	x16263
805B	3-palindrome constructive algorithms	1000	x16212
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16197
361A	Levko and Table constructive algorithms, implementation	800	x16197
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16174
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16164
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16125
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16094
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16093
1443A	Kids Seating constructive algorithms, math	800	x16076
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16048
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16043
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x15974
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15959
1822D	Super-Permutation constructive algorithms, math	1200	x15913
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15839
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15829
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15811
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15788
1395B	Boboniu Plays Chess constructive algorithms	1100	x15780