Problemset - Codeforces

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Problems

#	Name
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6636
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3805
1878C	Vasilije in Cacak math	900	x28706
1878B	Aleksa and Stack constructive algorithms, math	800	x29960
1877C	Joyboard math, number theory	1200	x10130
1877A	Goals of Victory math	800	x19070
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10844
1874E	Jellyfish and Hack dp, math	3000	x274
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x653
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1511
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13952
1873C	Target Practice implementation, math	800	x35653
1873B	Good Kid brute force, greedy, math	800	x44681
1872G	Replace With Product brute force, greedy, math	2000	x4008
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5830
1872D	Plus Minus Permutation math	1200	x21153
1872C	Non-coprime Split math, number theory	1100	x22135
1872A	Two Vessels brute force, greedy, math	800	x37447
1870F	Lazy Numbers binary search, math	2900	x464
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10776
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13389
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18515
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14522
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1082
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2282
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6489
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3534
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x694
1866L	Lihmuf Balling binary search, brute force, math	2400	x658
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7248
1866A	Ambitious Kid math	800	x18303
1864H	Asterism Stream dp, math, matrices	3200	x270
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2471
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6370
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12657
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19797
1863G	Swaps combinatorics, dp, graphs, math	2800	x569
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1032
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2621
1863C	MEX Repetition implementation, math	1100	x13432
1863B	Split Sort greedy, math, sortings	1100	x14618
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2669
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16124
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1628
1861A	Prime Deletion constructive algorithms, math	800	x23160
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x265
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16104
1859E	Maximum Monogonosity brute force, dp, math	2500	x1673
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16366
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24473
1859A	United We Stand constructive algorithms, math, number theory	800	x29528
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22023
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10683
1858A	Buttons games, greedy, math	800	x34582
1857F	Sum and Product binary search, data structures, math	1600	x10486
1857E	Power of Points math, sortings	1500	x11567
1857D	Strong Vertices math, sortings, trees	1300	x17823
1857B	Maximum Rounding greedy, implementation, math	1100	x22191
1857A	Array Coloring greedy, math	800	x43846
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1317
1856B	Good Arrays implementation, math	900	x23206
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23996
1855A	Dalton the Teacher greedy, math	800	x27246
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x383
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1408
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6721
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13424
1853B	Fibonaccharsis binary search, brute force, math	1200	x16573
1853A	Desorting brute force, greedy, math	800	x28231
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1461
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4163
1852A	Ntarsis' Set binary search, math, number theory	1800	x7596
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5333
1851D	Prefix Permutation Sums implementation, math	1300	x14416
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28701
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11289
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17339
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x21006
1849B	Monsters greedy, math, sortings	1000	x22884
1849A	Morning Sandwich implementation, math	800	x27109
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1454
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x746
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2519
1848C	Vika and Price Tags math, number theory	1800	x5975
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13468
1848A	Vika and Her Friends games, math	900	x16262
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x858
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x317
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6611
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15458
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18397
1846A	Rudolph and Cut the Rope implementation, math	800	x31458
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x354
1845E	Boxes and Balls dp, implementation, math	2500	x1274
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7346
1845B	Come Together geometry, implementation, math	900	x20922
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24740
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x131
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x645
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x370