Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
19:35:47
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Before contest
Codeforces Round 941 (Div. 2)
19:35:47
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Problems

#	Name
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18440
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14290
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1063
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2262
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6405
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3495
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x684
1866L	Lihmuf Balling binary search, brute force, math	2400	x650
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7167
1866A	Ambitious Kid math	800	x17717
1864H	Asterism Stream dp, math, matrices	3200	x267
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2459
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6306
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12540
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19728
1863G	Swaps combinatorics, dp, graphs, math	2800	x554
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1025
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2600
1863C	MEX Repetition implementation, math	1100	x13314
1863B	Split Sort greedy, math, sortings	1100	x14528
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2628
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15931
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1602
1861A	Prime Deletion constructive algorithms, math	800	x23029
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x262
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15942
1859E	Maximum Monogonosity brute force, dp, math	2500	x1653
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16253
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24115
1859A	United We Stand constructive algorithms, math, number theory	800	x29071
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21863
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10573
1858A	Buttons games, greedy, math	800	x33950
1857F	Sum and Product binary search, data structures, math	1600	x10336
1857E	Power of Points math, sortings	1500	x11432
1857D	Strong Vertices math, sortings, trees	1300	x17567
1857B	Maximum Rounding greedy, implementation, math	1100	x21986
1857A	Array Coloring greedy, math	800	x43128
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1301
1856B	Good Arrays implementation, math	900	x23011
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23580
1855A	Dalton the Teacher greedy, math	800	x27083
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x379
1854C	Expected Destruction combinatorics, dp, math, probabilities	2500	x1388
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6649
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13294
1853B	Fibonaccharsis binary search, brute force, math	1200	x16471
1853A	Desorting brute force, greedy, math	800	x27744
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1445
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4126
1852A	Ntarsis' Set binary search, math, number theory	1800	x7529
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5267
1851D	Prefix Permutation Sums implementation, math	1300	x14303
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28542
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11130
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x16979
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20666
1849B	Monsters greedy, math, sortings	1000	x22500
1849A	Morning Sandwich implementation, math	800	x26931
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1443
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x738
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2505
1848C	Vika and Price Tags math, number theory	1800	x5919
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13282
1848A	Vika and Her Friends games, math	900	x16174
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x850
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x313
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6556
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15271
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18251
1846A	Rudolph and Cut the Rope implementation, math	800	x31285
1845F	Swimmers in the Pool dp, fft, math, number theory	2800	x350
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	x7284
1845B	Come Together geometry, implementation, math	900	x20822
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24413
1844H	Multiple of Three Cycles combinatorics, data structures, dp, dsu, math	3400	x129
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x637
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x367
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x736
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11577
1844C	Particles dp, greedy, implementation, math	1300	x14761
1844B	Permutations & Primes constructive algorithms, math	1000	x17399
1843F2	Omsk Metro (hard version) data structures, dfs and similar, divide and conquer, dp, math, trees	2300	x1464
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4957
1843D	Apple Tree combinatorics, dfs and similar, dp, math, trees	1200	x16960
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x30954
1843B	Long Long greedy, math, two pointers	800	x27930
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x555
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x917
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1524
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15555
1842A	Tenzing and Tsondu games, math	800	x19417
1841E	Fill the Matrix data structures, greedy, math	2200	x1873
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7271
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x893
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2212
1840C	Ski Resort combinatorics, math, two pointers	1000	x24417
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x21409
1839A	The Good Array greedy, implementation, math	800	x17062