Problemset - Codeforces

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Codeforces Round (Div. 2)
30:16:15
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Problems

#	Name
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x13220
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x14470
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x9190
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x8816
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x15693
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9980
1945D	Seraphim the Owl dp, greedy	1300	x13459
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8927
1937B	Binary Path dp, greedy, implementation	1300	x14118
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x19800
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x11100
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x13117
1919C	Grouping Increases data structures, dp, greedy	1400	x17820
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x10997
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10578
1881E	Block Sequence dp	1500	x12887
1879C	Make it Alternating combinatorics, dp, greedy	1300	x15977
1875D	Jellyfish and Mex dp	1600	x8153
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12818
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11155
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12901
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11028
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11735
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9897
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12561
1845C	Strong Password binary search, dp, greedy, strings	1400	x13817
1844C	Particles dp, greedy, implementation, math	1300	x15273
1842C	Tenzing and Balls dp	1500	x12235
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x13001
1829G	Hits Different data structures, dp, implementation, math	1600	x9930
1811E	Living Sequence binary search, dp, math, number theory	1500	x11943
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8328
1787C	Remove the Bracket dp, greedy, math	1600	x6898
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11817
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x13671
1769C2	Подкрутка II *special problem, dp	1300	x943
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9676
1766C	Hamiltonian Wall dp, implementation	1300	x13383
1759E	The Humanoid brute force, dp, sortings	1500	x10480
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x10070
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14636
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10832
1741E	Sending a Sequence Over the Network dp	1600	x11451
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8904
1738C	Even Number Addicts dp, games, greedy, math	1500	x10931
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10456
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8907
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14634
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10359
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x19105
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x16846
1689C	Infected Tree dfs and similar, dp, trees	1600	x10935
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8295
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14930
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x12316
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17377
1660C	Get an Even String dp, greedy, strings	1300	x19199
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10133
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13694
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13581
1633D	Make Them Equal dp, greedy	1600	x13544
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12523
1618D	Array and Operations dp, greedy, math	1300	x18629
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10096
1609C	Complex Market Analysis binary search, dp, implementation, number theory, schedules, two pointers	1400	x9622
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x12002
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x12078
1555C	Coin Rows brute force, constructive algorithms, dp, implementation	1300	x21284
1553D	Backspace dp, greedy, strings, two pointers	1500	x13523
1553B	Reverse String brute force, dp, hashing, implementation, strings	1300	x13992
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x14177
1538F	Interesting Function binary search, dp, math, number theory	1500	x18849
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12625
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13855
1535C	Unstable String binary search, dp, greedy, implementation, strings, two pointers	1400	x16297
1534C	Little Alawn's Puzzle combinatorics, dp, dsu, graphs, math	1300	x12665
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14296
1526C1	Potions (Easy Version) brute force, data structures, dp, greedy	1500	x21831
1526B	I Hate 1111 dp, math, number theory	1400	x29693
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14896
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18780
1513C	Add One dp, matrices	1600	x13579
1498C	Planar Reflections brute force, data structures, dp	1600	x9455
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15811
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11181
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x21843
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10586
1466C	Canine poetry dp, greedy, strings	1300	x17440
1461C	Random Events dp, math, probabilities	1500	x11038
1461B	Find the Spruce brute force, dp, implementation	1400	x12493
1459B	Move and Turn dp, math	1300	x14324
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12143
1452D	Radio Towers combinatorics, dp, math	1600	x7873
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15348
1443B	Saving the City dp, greedy, math, sortings	1300	x15657
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17323
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x19056
1415C	Bouncing Ball brute force, dp, implementation	1400	x10776
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8764
1398C	Good Subarrays data structures, dp, math	1600	x25206

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