Problemset - Codeforces

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Problems

#	Name
1873B	Good Kid brute force, greedy, math	800	x49784
1872G	Replace With Product brute force, greedy, math	2000	x4346
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6445
1872D	Plus Minus Permutation math	1200	x24638
1872C	Non-coprime Split math, number theory	1100	x23661
1872A	Two Vessels brute force, greedy, math	800	x39475
1870F	Lazy Numbers binary search, math	2900	x496
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11624
1870B	Friendly Arrays bitmasks, greedy, math	1200	x14311
1870A	MEXanized Array constructive algorithms, greedy, math	800	x19130
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x16495
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
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3802
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x820
1866L	Lihmuf Balling binary search, brute force, math	2400	x728
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7841
1866A	Ambitious Kid math	800	x23288
1864H	Asterism Stream dp, math, matrices	3200	x289
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2675
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6849
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x13642
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20400
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
1863C	MEX Repetition implementation, math	1100	x14140
1863B	Split Sort greedy, math, sortings	1100	x15403
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2920
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x17422
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1758
1861A	Prime Deletion constructive algorithms, math	800	x24022
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x280
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x17105
1859E	Maximum Monogonosity brute force, dp, math	2500	x1815
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x17137
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x27909
1859A	United We Stand constructive algorithms, math, number theory	800	x33503
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x23283
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11435
1858A	Buttons games, greedy, math	800	x39823
1857F	Sum and Product binary search, data structures, math	1600	x11795
1857E	Power of Points math, sortings	1500	x12642
1857D	Strong Vertices math, sortings, trees	1300	x19971
1857B	Maximum Rounding greedy, implementation, math	1100	x23190
1857A	Array Coloring greedy, math	800	x49643
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1440
1856B	Good Arrays implementation, math	900	x24558
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x27486
1855A	Dalton the Teacher greedy, math	800	x28262
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x432
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1536
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x7074
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x14282
1853B	Fibonaccharsis binary search, brute force, math	1200	x17583
1853A	Desorting brute force, greedy, math	800	x32867
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1625
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4543
1852A	Ntarsis' Set binary search, math, number theory	1800	x8159
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5955
1851D	Prefix Permutation Sums implementation, math	1300	x15400
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29657
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12677
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x19604
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x23813
1849B	Monsters greedy, math, sortings	1000	x26603
1849A	Morning Sandwich implementation, math	800	x29818
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1647
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x799
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2649
1848C	Vika and Price Tags math, number theory	1800	x6371
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x15474
1848A	Vika and Her Friends games, math	900	x16955
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x912
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x334
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x7120
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x17251
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x19653
1846A	Rudolph and Cut the Rope implementation, math	800	x32621
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x373
1845E	Boxes and Balls dp, implementation, math	2500	x1353
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7929
1845B	Come Together geometry, implementation, math	900	x21758
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x28310
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x140
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x741
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x404
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x790
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12404
1844C	Particles dp, greedy, implementation, math	1300	x15828
1844B	Permutations & Primes constructive algorithms, math	1000	x18335
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1654
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5390
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x18313
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x33684
1843B	Long Long greedy, math, two pointers	800	x29292
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x709
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x1082
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1638