Problemset - Codeforces

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Problems

#	Name
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13747
1873C	Target Practice implementation, math	800	x35070
1873B	Good Kid brute force, greedy, math	800	x44056
1872G	Replace With Product brute force, greedy, math	2000	x3981
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5785
1872D	Plus Minus Permutation math	1200	x20850
1872C	Non-coprime Split math, number theory	1100	x21904
1872A	Two Vessels brute force, greedy, math	800	x37199
1870F	Lazy Numbers binary search, math	2900	x463
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10701
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13307
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18463
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14337
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1067
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2269
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6423
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3504
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x687
1866L	Lihmuf Balling binary search, brute force, math	2400	x651
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7172
1866A	Ambitious Kid math	800	x17868
1864H	Asterism Stream dp, math, matrices	3200	x269
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2461
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6316
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12560
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19742
1863G	Swaps combinatorics, dp, graphs, math	2800	x555
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1026
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2605
1863C	MEX Repetition implementation, math	1100	x13333
1863B	Split Sort greedy, math, sortings	1100	x14546
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2643
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15974
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1608
1861A	Prime Deletion constructive algorithms, math	800	x23070
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x263
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15976
1859E	Maximum Monogonosity brute force, dp, math	2500	x1662
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16274
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24184
1859A	United We Stand constructive algorithms, math, number theory	800	x29169
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21888
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10603
1858A	Buttons games, greedy, math	800	x34117
1857F	Sum and Product binary search, data structures, math	1600	x10385
1857E	Power of Points math, sortings	1500	x11473
1857D	Strong Vertices math, sortings, trees	1300	x17640
1857B	Maximum Rounding greedy, implementation, math	1100	x22059
1857A	Array Coloring greedy, math	800	x43345
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1304
1856B	Good Arrays implementation, math	900	x23074
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23674
1855A	Dalton the Teacher greedy, math	800	x27134
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x379
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1391
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6662
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13319
1853B	Fibonaccharsis binary search, brute force, math	1200	x16491
1853A	Desorting brute force, greedy, math	800	x27855
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1454
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4129
1852A	Ntarsis' Set binary search, math, number theory	1800	x7546
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5283
1851D	Prefix Permutation Sums implementation, math	1300	x14321
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28585
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11163
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17055
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20725
1849B	Monsters greedy, math, sortings	1000	x22596
1849A	Morning Sandwich implementation, math	800	x26996
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1447
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x740
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2509
1848C	Vika and Price Tags math, number theory	1800	x5940
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13315
1848A	Vika and Her Friends games, math	900	x16193
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x852
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x316
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6568
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15315
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18286
1846A	Rudolph and Cut the Rope implementation, math	800	x31342
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x352
1845E	Boxes and Balls dp, implementation, math	2500	x1259
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7295
1845B	Come Together geometry, implementation, math	900	x20837
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24495
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x130
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x638
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x368
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x737
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11595
1844C	Particles dp, greedy, implementation, math	1300	x14792
1844B	Permutations & Primes constructive algorithms, math	1000	x17421
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1466
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4966
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x17002
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x31020
1843B	Long Long greedy, math, two pointers	800	x27988
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x559