Problemset - Codeforces

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Problems

#	Name
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8445
1876A	Helmets in Night Light greedy, sortings	1000	x18533
1875D	Jellyfish and Mex dp	1600	x8893
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11902
1875A	Jellyfish and Undertale brute force, greedy	900	x26448
1874G	Jellyfish and Inscryption dp	3500	x88
1874F	Jellyfish and OEIS dp	3500	x217
1874E	Jellyfish and Hack dp, math	3000	x322
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x743
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1746
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1161
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x17256
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7559
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13585
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15852
1873E	Building an Aquarium binary search, sortings	1100	x27537
1873D	1D Eraser greedy, implementation, two pointers	800	x35751
1873C	Target Practice implementation, math	800	x41965
1873B	Good Kid brute force, greedy, math	800	x49785
1873A	Short Sort brute force, implementation	800	x55478
1872G	Replace With Product brute force, greedy, math	2000	x4347
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6447
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13992
1872D	Plus Minus Permutation math	1200	x24638
1872C	Non-coprime Split math, number theory	1100	x23661
1872B	The Corridor or There and Back Again greedy, implementation	900	x28115
1872A	Two Vessels brute force, greedy, math	800	x39478
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x87
1870G	MEXanization data structures	3300	x219
1870F	Lazy Numbers binary search, math	2900	x496
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2409
1870D	Prefix Purchase greedy, implementation, sortings	1800	x7085
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11627
1870B	Friendly Arrays bitmasks, greedy, math	1200	x14313
1870A	MEXanized Array constructive algorithms, greedy, math	800	x19132
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x16495
1869A	Make It Zero constructive algorithms	900	x22383
1868F	LIS? data structures, greedy, implementation	3500	x78
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x86
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x290
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1177
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2433
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x7093
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x12135
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x425
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3223
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3802
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5869
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11377
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x16872
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x20050
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x820
1866L	Lihmuf Balling binary search, brute force, math	2400	x728
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x451
1866J	Jackets and Packets dp	2800	x292
1866I	Imagination Castle dp, games, two pointers	2300	x772
1866H	Happy Sets combinatorics	2100	x1669
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1732
1866F	Freak Joker Process binary search, data structures, sortings	3100	x137
1866E	Elevators of Tamem dp	2700	x419
1866D	Digital Wallet dp, greedy	2300	x1336
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3075
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7841
1866A	Ambitious Kid math	800	x23290
1864I	Future Dominators graphs, greedy	3500	x89
1864H	Asterism Stream dp, math, matrices	3200	x290
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x280
1864F	Exotic Queries data structures, implementation, sortings	2300	x1449
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2676
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6849
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x13644
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15460
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20400
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x84
1863H	Goldberg Machine 3 dp, trees	3500	x90
1863G	Swaps combinatorics, dp, graphs, math	2800	x650
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1159
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2798
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9595
1863C	MEX Repetition implementation, math	1100	x14140
1863B	Split Sort greedy, math, sortings	1100	x15403
1863A	Channel greedy, implementation	800	x17976
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2920
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x6371
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10889
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x17422
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x21007
1862B	Sequence Game constructive algorithms	800	x33059
1862A	Gift Carpet dp, greedy, implementation, strings	800	x32734
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x206
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1758
1861D	Sorting By Multiplication dp, greedy	1800	x6887
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10279
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x21582
1861A	Prime Deletion constructive algorithms, math	800	x24024
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x280
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1446
1860D	Balanced String dp	2200	x3058
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13496
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x17106