Problemset - Codeforces

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Problems

#	Name
2038F	Alternative Platforms combinatorics, data structures, fft, math, sortings	2500	x264
2038C	DIY data structures, geometry, greedy, sortings	1400	x2384
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x1324
2036B	Startup greedy, sortings	800	x22612
2032C	Trinity binary search, math, sortings, two pointers	1400	x10935
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x1482
2031B	Penchick and Satay Sticks brute force, greedy, sortings	900	x12827
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x6187
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x23269
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14403
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x13017
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x11869
2021C2	Adjust The Presentation (Hard Version) constructive algorithms, data structures, greedy, implementation, sortings	1900	x3544
2021A	Meaning Mean data structures, greedy, math, sortings	800	x18525
2018E2	Complex Segments (Hard Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3400	x111
2018E1	Complex Segments (Easy Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3300	x147
2018D	Max Plus Min Plus Size data structures, dp, dsu, greedy, implementation, matrices, sortings	2200	x1585
2018C	Tree Pruning brute force, dfs and similar, greedy, sortings, trees	1700	x6136
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x12046
2005B2	The Strict Teacher (Hard Version) binary search, greedy, math, sortings	1200	x17199
2005B1	The Strict Teacher (Easy Version) greedy, math, sortings	1000	x19886
2004C	Splitting Items games, greedy, sortings	1100	x23281
2003C	Turtle and Good Pairs constructive algorithms, greedy, sortings, strings	1200	x18096
2003B	Turtle and Piggy Are Playing a Game 2 games, greedy, sortings	800	x25085
1996C	Sort dp, greedy, sortings, strings	1200	x22934
1995B2	Bouquet (Hard Version) binary search, data structures, greedy, math, sortings, two pointers	1700	x8791
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x17993
1992B	Angry Monk greedy, math, sortings	800	x34299
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x41362
1991F	Triangle Formation brute force, greedy, implementation, math, sortings	2200	x2325
1990A	Submission Bait brute force, games, greedy, sortings	900	x22721
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x5985
1986E	Beautiful Array greedy, math, number theory, sortings	1700	x8858
1986C	Update Queries data structures, greedy, sortings	1100	x22879
1986B	Matrix Stabilization brute force, data structures, greedy, sortings	1000	x26645
1986A	X Axis brute force, geometry, math, sortings	800	x40582
1984G	Magic Trick II constructive algorithms, implementation, sortings	3200	x260
1983D	Swap Dilemma constructive algorithms, data structures, divide and conquer, greedy, math, sortings	1700	x8239
1982F	Sorting Problem Again binary search, data structures, sortings	2600	x959
1982A	Soccer greedy, implementation, math, sortings	800	x25178
1980F2	Field Division (hard version) math, sortings	2400	x1006
1980F1	Field Division (easy version) data structures, math, sortings	1900	x3755
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10556
1980B	Choosing Cubes sortings, sortings	800	x34745
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x25771
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x6785
1976F	Remove Bridges data structures, dfs and similar, dp, greedy, sortings, trees	2800	x592
1976A	Verify Password implementation, sortings, strings	800	x28662
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x17904
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x18543
1974G	Money Buys Less Happiness Now data structures, greedy, sortings	2000	x4381
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x3587
1974B	Symmetric Encoding implementation, sortings, strings	800	x30345
1973E	Cat, Fox and Swaps graphs, math, sortings	2500	x807
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8402
1971G	XOUR data structures, dsu, sortings	1700	x9315
1971E	Find the Car binary search, math, sortings	1500	x14357
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x25974
1971A	My First Sorting Problem implementation, sortings	800	x45406
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x5004
1969D	Shop Game data structures, greedy, math, sortings	1900	x4649
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x12546
1965A	Everything Nim games, greedy, math, sortings	1400	x13808
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x366
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x8695
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x28089
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x6241
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x775
1951C	Ticket Hoarding greedy, math, sortings	1400	x11739
1949F	Dating greedy, sortings, trees	2200	x1008
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x3349
1946A	Median of an Array greedy, implementation, sortings	800	x26138
1945F	Kirill and Mushrooms data structures, sortings	1900	x4265
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2822
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x6100
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x144
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x35
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x207
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1340
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x8262
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x20451
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x38366
1932F	Feed Cats data structures, dp, sortings	1900	x4200
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x16183
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x7173
1930A	Maximise The Score greedy, sortings	800	x18701
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x31753
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17715
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x4459
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2608
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x20830
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x21826
1920B	Summation Game games, greedy, math, sortings	1100	x21099
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3921
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x895
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1754
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x24040
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x6539
1915F	Greetings data structures, divide and conquer, sortings	1500	x14064
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12601

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