Problemset - Codeforces

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Problems

#	Name
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x3915
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x6314
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x5693
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10114
2004D	Colored Portals binary search, brute force, data structures, graphs, greedy, implementation, shortest paths	1600	x10723
1996E	Decode combinatorics, data structures, implementation, math	1600	x9816
1994C	Hungry Games binary search, dp, two pointers	1600	x10799
1985G	D-Function combinatorics, math, number theory	1600	x9445
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10560
1978D	Elections data structures, greedy, implementation, math	1600	x11351
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10426
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x10060
1968E	Cells Arrangement constructive algorithms	1600	x10481
1958D	Staircase *special problem	1600	x534
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x9731
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x12977
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x11056
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x9794
1938H	Pho Restaurant	1600	x2178
1932E	Final Countdown implementation, math, number theory	1600	x8321
1928C	Physical Education Lesson brute force, math, number theory	1600	x8681
1921E	Eat the Chip brute force, games, greedy, math	1600	x9912
1920C	Partitioning the Array brute force, math, number theory	1600	x13898
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10604
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x638
1910B	Security Guard *special problem, greedy	1600	x681
1907E	Good Triples brute force, combinatorics, number theory	1600	x10493
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6888
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7796
1886C	Decreasing String implementation, strings	1600	x11725
1878D	Reverse Madness data structures, greedy	1600	x8497
1875D	Jellyfish and Mex dp	1600	x8892
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10889
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10279
1857F	Sum and Product binary search, data structures, math	1600	x11795
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12631
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10702
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12621
1840E	Character Blocking data structures, hashing, implementation	1600	x8149
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x12096
1829G	Hits Different data structures, dp, implementation, math	1600	x10666
1822E	Making Anti-Palindromes greedy, math, strings	1600	x10606
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7603
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7699
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x8672
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x10192
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x7767
1796C	Maximum Set binary search, math	1600	x10569
1795D	Triangle Coloring combinatorics, math	1600	x9316
1787C	Remove the Bracket dp, greedy, math	1600	x7166
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x7733
1779C	Least Prefix Sum data structures, greedy	1600	x12507
1778C	Flexible String bitmasks, brute force, strings	1600	x8359
1775C	Interesting Sequence bitmasks, math	1600	x10651
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x7976
1771C	Hossam and Trainees greedy, math, number theory	1600	x9815
1766D	Lucky Chains math, number theory	1600	x9019
1753B	Factorial Divisibility math, number theory	1600	x12981
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x11242
1741E	Sending a Sequence Over the Network dp	1600	x12575
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12968
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x11026
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x9177
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x13735
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10835
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x13532
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x9450
1689C	Infected Tree dfs and similar, dp, trees	1600	x11383
1687A	The Enchanted Forest brute force, greedy	1600	x10462
1680C	Binary String binary search, greedy, strings, two pointers	1600	x10028
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8509
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7722
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8436
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7378
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8754
1658D1	388535 (Easy Version) bitmasks, math	1600	x9164
1633D	Make Them Equal dp, greedy	1600	x14271
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12824
1623C	Balanced Stone Heaps binary search, greedy	1600	x12284
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x13199
1615C	Menorah brute force, graphs, greedy, math	1600	x8419
1612D	X-Magic Pair math, number theory	1600	x9286
1610C	Keshi Is Throwing a Party binary search, greedy	1600	x11738
1609D	Social Network dsu, graphs, greedy, implementation, trees	1600	x7355
1607E	Robot on the Board 1 implementation	1600	x9397
1603B	Moderate Modular Mode constructive algorithms, math, number theory	1600	x13671
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x12577
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10597
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x12238
1566D2	Seating Arrangements (hard version) data structures, greedy, implementation, sortings, two pointers	1600	x7891
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x12527
1542C	Strange Function math, number theory	1600	x14343
1539D	PriceFixed binary search, greedy, implementation, sortings, two pointers	1600	x11723
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x13152
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x9283
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x14986
1527C	Sequence Pair Weight hashing, implementation, math	1600	x13651
1526C2	Potions (Hard Version) data structures, greedy	1600	x23113
1523C	Compression and Expansion brute force, data structures, greedy, implementation, trees	1600	x8808
1520F1	Guess the K-th Zero (Easy version) binary search, interactive	1600	x11924

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