Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23104
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23049
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x23018
1828A	Divisible Array constructive algorithms, math	800	x23010
1665A	GCD vs LCM constructive algorithms, math	800	x22977
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22896
1772C	Different Differences constructive algorithms, greedy, math	1000	x22703
1367C	Social Distance constructive algorithms, greedy, math	1300	x22609
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22568
1700A	Optimal Path constructive algorithms, greedy, math	800	x22554
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22426
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22383
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22215
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22124
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22090
1511B	GCD Length constructive algorithms, math, number theory	1100	x21975
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21970
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21957
1774A	Add Plus Minus Sign constructive algorithms, math	800	x21949
1743B	Permutation Value constructive algorithms, greedy	800	x21937
300A	Array brute force, constructive algorithms, implementation	1100	x21905
1905A	Constructive Problems constructive algorithms, math	800	x21802
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21772
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21707
1747B	BAN BAN constructive algorithms	900	x21607
1890A	Doremy's Paint 3 constructive algorithms	800	x21531
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21431
1504A	Déjà Vu constructive algorithms, strings	800	x21406
1574A	Regular Bracket Sequences constructive algorithms	800	x21311
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21285
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21250
1455B	Jumps constructive algorithms, math	1200	x21249
1405A	Permutation Forgery constructive algorithms	800	x21242
1638A	Reverse constructive algorithms, greedy, math	800	x21216
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21216
1716B	Permutation Chain constructive algorithms, math	800	x21197
1879B	Chips on the Board constructive algorithms, greedy	900	x21173
1837C	Best Binary String constructive algorithms, greedy	1000	x21112
1780A	Hayato and School constructive algorithms, greedy	800	x21082
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21073
1838A	Blackboard List constructive algorithms, math	800	x21063
1405B	Array Cancellation constructive algorithms, implementation	1000	x21027
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21018
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x20901
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20888
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20872
1632B	Roof Construction bitmasks, constructive algorithms	1000	x20868
1860A	Not a Substring constructive algorithms, strings	900	x20806
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20774
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20743
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20736
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20731
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20649
1684B	Z mod X = C constructive algorithms, math	800	x20607
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20519
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20461
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20456
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20447
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x20337
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20274
1436B	Prime Square constructive algorithms, math	900	x20220
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20137
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20131
1758B	XOR = Average constructive algorithms	900	x20125
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20103
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20079
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20042
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x20010
513A	Game constructive algorithms, math	800	x19930
1728B	Best Permutation constructive algorithms, greedy	800	x19923
1735A	Working Week constructive algorithms, greedy, math	800	x19884
1352G	Special Permutation constructive algorithms	1600	x19844
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19843
1902A	Binary Imbalance constructive algorithms	800	x19800
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19770
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19756
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x19728
1957A	Stickogon constructive algorithms, greedy	800	x19725
1740A	Factorise N+M constructive algorithms, number theory	800	x19612
1708B	Difference of GCDs constructive algorithms, math	1100	x19528
1794B	Not Dividing constructive algorithms, greedy, math	900	x19513
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x19466
1746A	Maxmina constructive algorithms, greedy	800	x19463
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19441
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19354
776B	Sherlock and his girlfriend constructive algorithms, number theory	1200	x19322
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19313
1733B	Rule of League constructive algorithms, math	900	x19290
401C	Team constructive algorithms, greedy, implementation	1400	x19277
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19263
1455C	Ping-pong constructive algorithms, games, math	1100	x19232
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19207
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19186
1513A	Array and Peaks constructive algorithms, implementation	800	x19185
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19177
1493A	Anti-knapsack constructive algorithms, greedy	800	x19109
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19106
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19106
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19047
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x19027