Problemset - Codeforces

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Problems

#	Name
1969D	Shop Game data structures, greedy, math, sortings	1900	x2863
1969C	Minimizing the Sum dp, implementation	1700	x5302
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x4608
1965A	Everything Nim games, greedy, math, sortings	1400	x9255
1957D	A BIT of an Inequality bitmasks, brute force, dp, math	1900	x3430
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x7241
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x10361
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3358
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5759
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6991
1955D	Inaccurate Subsequence Search data structures, two pointers	1400	x12604
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x17491
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4771
1951C	Ticket Hoarding greedy, math, sortings	1400	x9444
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3427
1950F	0, 1, 2, Tree! bitmasks, brute force, greedy, implementation, trees	1700	x7471
1950E	Nearly Shortest Repeating Substring brute force, implementation, number theory, strings	1500	x11766
1949I	Disks dfs and similar, geometry, graph matchings, graphs	1800	x1105
1949C	Annual Ants' Gathering dfs and similar, dp, greedy, trees	1900	x1141
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x1700
1948D	Tandem Repeats? brute force, strings, two pointers	1700	x8140
1948C	Arrow Path brute force, constructive algorithms, dfs and similar, dp, graphs, shortest paths	1300	x14330
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3984
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9010
1945F	Kirill and Mushrooms data structures, sortings	1900	x3545
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6881
1945D	Seraphim the Owl dp, greedy	1300	x12030
1943A	MEX Game 1 games, greedy	1300	x15199
1942C2	Bessie's Birthday Cake (Hard Version) geometry, greedy, math	1700	x5438
1942C1	Bessie's Birthday Cake (Easy Version) geometry, greedy, math	1300	x9425
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5159
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8112
1938H	Pho Restaurant	1600	x1855
1938C	Bit Counting Sequence	1900	x1247
1937B	Binary Path dp, greedy, implementation	1300	x13021
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6535
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7290
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7093
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6019
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9658
1932F	Feed Cats data structures, dp, sortings	1900	x3370
1932E	Final Countdown implementation, math, number theory	1600	x6754
1932D	Card Game greedy, implementation	1400	x9843
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13610
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x6909
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13272
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15769
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3675
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6392
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4156
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13188
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3724
1928C	Physical Education Lesson brute force, math, number theory	1600	x7448
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3776
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12360
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18212
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2931
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9955
1926D	Vlad and Division bitmasks, greedy	1300	x13481
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3207
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12300
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5873
1923C	Find B constructive algorithms, greedy	1400	x13089
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7029
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5217
1922C	Closest Cities greedy, implementation, math	1300	x16835
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3430
1921E	Eat the Chip brute force, games, greedy, math	1600	x8891
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5084
1920C	Partitioning the Array brute force, math, number theory	1600	x11783
1919C	Grouping Increases data structures, dp, greedy	1400	x16781
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4245
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12504
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9369
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7881
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5406
1915F	Greetings data structures, divide and conquer, sortings	1500	x11554
1915E	Romantic Glasses data structures, greedy, math	1300	x18397
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3671
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11221
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11122
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13618
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2023
1912D	Divisibility Test math	1900	x1306
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1869
1910D	Remove and Add *special problem, greedy	1800	x299
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x573
1910B	Security Guard *special problem, greedy	1600	x588
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x73
1909D	Split Plus K greedy, math, number theory	1900	x3968
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9922
1907F	Shift and Reverse greedy, sortings	1800	x4371
1907E	Good Triples brute force, combinatorics, number theory	1600	x8776
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11939
1906M	Triangle Construction greedy, math	1700	x2313
1906E	Merge Not Sort constructive algorithms, dp	1900	x1292
1905C	Largest Subsequence greedy, strings	1400	x11015
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3795
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5659
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10566

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