Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
12:46:31
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Before contest
Codeforces Round 941 (Div. 2)
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constructive algorithms

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Problems

#	Name
1614A	Divan and a Store brute force, constructive algorithms, greedy	800	x23017
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x22954
1665A	GCD vs LCM constructive algorithms, math	800	x22905
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22868
1828A	Divisible Array constructive algorithms, math	800	x22855
1772C	Different Differences constructive algorithms, greedy, math	1000	x22626
1367C	Social Distance constructive algorithms, greedy, math	1300	x22573
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22533
1700A	Optimal Path constructive algorithms, greedy, math	800	x22526
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22349
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x22281
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22192
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22137
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x21990
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x21939
1511B	GCD Length constructive algorithms, math, number theory	1100	x21924
1774A	Add Plus Minus Sign constructive algorithms, math	800	x21916
1743B	Permutation Value constructive algorithms, greedy	800	x21898
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21863
300A	Array brute force, constructive algorithms, implementation	1100	x21841
1905A	Constructive Problems constructive algorithms, math	800	x21701
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21692
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21641
1747B	BAN BAN constructive algorithms	900	x21541
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21531
1504A	Déjà Vu constructive algorithms, strings	800	x21383
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21357
1574A	Regular Bracket Sequences constructive algorithms	800	x21283
1405A	Permutation Forgery constructive algorithms	800	x21235
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21210
1455B	Jumps constructive algorithms, math	1200	x21207
1638A	Reverse constructive algorithms, greedy, math	800	x21203
1620A	Equal or Not Equal constructive algorithms, dsu, implementation	800	x21184
1716B	Permutation Chain constructive algorithms, math	800	x21180
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21161
1890A	Doremy's Paint 3 constructive algorithms	800	x21139
1837C	Best Binary String constructive algorithms, greedy	1000	x21056
1879B	Chips on the Board constructive algorithms, greedy	900	x21052
1780A	Hayato and School constructive algorithms, greedy	800	x21042
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21023
1838A	Blackboard List constructive algorithms, math	800	x21017
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x21004
1405B	Array Cancellation constructive algorithms, implementation	1000	x20943
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20845
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x20833
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x20810
1632B	Roof Construction bitmasks, constructive algorithms	1000	x20765
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20727
1860A	Not a Substring constructive algorithms, strings	900	x20726
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x20712
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20706
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x20665
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20636
1684B	Z mod X = C constructive algorithms, math	800	x20584
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20444
1644B	Anti-Fibonacci Permutation brute force, constructive algorithms, implementation	800	x20434
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20411
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x20403
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x20242
1436B	Prime Square constructive algorithms, math	900	x20199
1658A	Marin and Photoshoot constructive algorithms, implementation, math	800	x20123
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20064
1758B	XOR = Average constructive algorithms	900	x20055
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20028
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20024
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x19995
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x19986
513A	Game constructive algorithms, math	800	x19917
1728B	Best Permutation constructive algorithms, greedy	800	x19903
1735A	Working Week constructive algorithms, greedy, math	800	x19868
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x19827
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19728
1352G	Special Permutation constructive algorithms	1600	x19714
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x19690
1902A	Binary Imbalance constructive algorithms	800	x19664
1559C	Mocha and Hiking constructive algorithms, graphs	1200	x19654
1740A	Factorise N+M constructive algorithms, number theory	800	x19569
1746A	Maxmina constructive algorithms, greedy	800	x19427
1708B	Difference of GCDs constructive algorithms, math	1100	x19425
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x19424
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19361
1794B	Not Dividing constructive algorithms, greedy, math	900	x19344
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19339
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19291
401C	Team constructive algorithms, greedy, implementation	1400	x19245
776B	Sherlock and his girlfriend constructive algorithms, number theory	1200	x19238
1733B	Rule of League constructive algorithms, math	900	x19233
1455C	Ping-pong constructive algorithms, games, math	1100	x19205
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19189
1513A	Array and Peaks constructive algorithms, implementation	800	x19167
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19150
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19146
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19137
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x19100
1493A	Anti-knapsack constructive algorithms, greedy	800	x19098
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19090
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19061
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19007
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x18992
1770B	Koxia and Permutation constructive algorithms	1000	x18991