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constructive algorithms

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Problems

#	Name
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19783
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19800
1902A	Binary Imbalance constructive algorithms	800	x19865
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19870
1735A	Working Week constructive algorithms, greedy, math	800	x19909
1352G	Special Permutation constructive algorithms	1600	x19910
1728B	Best Permutation constructive algorithms, greedy	800	x19928
513A	Game constructive algorithms, math	800	x19968
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x19985
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20020
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20048
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20095
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20143
1758B	XOR = Average constructive algorithms	900	x20179
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20201
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20235
1436B	Prime Square constructive algorithms, math	900	x20242
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20306
1957A	Stickogon constructive algorithms, greedy	800	x20333
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20475
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20479
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20484
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20607
1684B	Z mod X = C constructive algorithms, math	800	x20622
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20661
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20745
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20751
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20799
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x20801
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20806
1860A	Not a Substring constructive algorithms, strings	900	x20875
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20884
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x20939
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20942
1632B	Roof Construction bitmasks, constructive algorithms	1000	x20958
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21026
1405B	Array Cancellation constructive algorithms, implementation	1000	x21050
1780A	Hayato and School constructive algorithms, greedy	800	x21095
1838A	Blackboard List constructive algorithms, math	800	x21097
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21097
1837C	Best Binary String constructive algorithms, greedy	1000	x21176
1716B	Permutation Chain constructive algorithms, math	800	x21207
1638A	Reverse constructive algorithms, greedy, math	800	x21224
1879B	Chips on the Board constructive algorithms, greedy	900	x21245
1405A	Permutation Forgery constructive algorithms	800	x21246
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21257
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21280
1455B	Jumps constructive algorithms, math	1200	x21287
1574A	Regular Bracket Sequences constructive algorithms	800	x21331
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21395
1504A	Déjà Vu constructive algorithms, strings	800	x21424
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21501
1747B	BAN BAN constructive algorithms	900	x21671
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21773
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21840
1890A	Doremy's Paint 3 constructive algorithms	800	x21851
1905A	Constructive Problems constructive algorithms, math	800	x21878
300A	Array brute force, constructive algorithms, implementation	1100	x21951
1743B	Permutation Value constructive algorithms, greedy	800	x21959
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22004
1511B	GCD Length constructive algorithms, math, number theory	1100	x22009
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22030
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22146
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22237
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22247
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x22275
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22423
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22496
1700A	Optimal Path constructive algorithms, greedy, math	800	x22569
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22588
1367C	Social Distance constructive algorithms, greedy, math	1300	x22646
1772C	Different Differences constructive algorithms, greedy, math	1000	x22749
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22907
1665A	GCD vs LCM constructive algorithms, math	800	x23019
1828A	Divisible Array constructive algorithms, math	800	x23052
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x23052
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23070
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23121
1861A	Prime Deletion constructive algorithms, math	800	x23166
1342B	Binary Period constructive algorithms, strings	1100	x23167
1715A	Crossmarket constructive algorithms, greedy, math	800	x23223
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23405
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x23482
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23490
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23503
1621A	Stable Arrangement of Rooks constructive algorithms	800	x23563
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23659
1699A	The Third Three Number Problem constructive algorithms, math	800	x23672
4B	Before an Exam constructive algorithms, greedy	1200	x23742
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23796
1627A	Not Shading constructive algorithms, implementation	800	x23818
1526A	Mean Inequality constructive algorithms, sortings	800	x23884
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23894
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x23902
1844A	Subtraction Game constructive algorithms, games	800	x23907
1391A	Suborrays constructive algorithms, math	800	x24017
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24077
1333A	Little Artem constructive algorithms	1000	x24175
1525B	Permutation Sort constructive algorithms, greedy	900	x24218
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x24223