Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
08:56:13
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Problems

#	Name
1836B	Astrophysicists greedy, math	1100	x12703
1835D	Doctor's Brown Hypothesis dfs and similar, graphs, math, number theory	2900	x502
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x1005
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x950
1835A	k-th equality brute force, implementation, math	1700	x7895
1834F	Typewriter brute force, math	2500	x529
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x2279
1834C	Game with Reversing games, greedy, math, strings	1200	x13430
1834B	Maximum Strength greedy, math	1000	x15360
1834A	Unit Array greedy, math	800	x25106
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x7497
1833C	Vlad Building Beautiful Array greedy, math	800	x26220
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1916
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2960
1830E	Bully Sort data structures, math	3500	x248
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings	2400	x1704
1830B	The BOSS Can Count Pairs brute force, math	2000	x4950
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7884
1829G	Hits Different data structures, dp, implementation, math	1600	x10628
1829F	Forever Winter dfs and similar, graphs, math	1300	x17910
1828B	Permutation Swap math, number theory	900	x23667
1828A	Divisible Array constructive algorithms, math	800	x23749
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x19332
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x385
1826C	Dreaming of Freedom greedy, math, number theory	1300	x13724
1826B	Lunatic Never Content math, number theory	1100	x18035
1825B	LuoTianyi and the Table greedy, math	1000	x14759
1824B2	LuoTianyi and the Floating Islands (Hard Version) combinatorics, dfs and similar, math, probabilities, trees	2300	x2692
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x4663
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x892
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1259
1823D	Unique Palindromes constructive algorithms, math, strings	1900	x3863
1823C	Strongly Composite greedy, math, number theory	1300	x12403
1823B	Sort with Step brute force, math, sortings	900	x16112
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x16196
1822G2	Magic Triples (Hard Version) brute force, data structures, math, number theory	2200	x2459
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x7149
1822E	Making Anti-Palindromes greedy, math, strings	1600	x10571
1822D	Super-Permutation constructive algorithms, math	1200	x16887
1822C	Bun Lover math	800	x23133
1822B	Karina and Array greedy, math, sortings	800	x24888
1821F	Timber combinatorics, dp, fft, math	2600	x761
1821D	Black Cells binary search, brute force, greedy, math	1900	x5016
1821C	Tear It Apart brute force, implementation, math, strings	1300	x14434
1821A	Matching combinatorics, math	800	x19943
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x14972
1819E	Roads in E City interactive, math, probabilities, trees	3200	x299
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1489
1817C	Similar Polynomials combinatorics, math	2400	x994
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x241
1815E	Bosco and Particle dp, math, number theory, strings	3100	x349
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1185
1815A	Ian and Array Sorting greedy, math	1300	x14250
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x879
1814B	Long Legs brute force, math	1700	x10119
1814A	Coins implementation, math	800	x29648
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4024
1812D	Trivial Conjecture *special problem, constructive algorithms, math, number theory		x4672
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1789
1811G1	Vlad and the Nice Paths (easy version) combinatorics, dp, math	2100	x2097
1811E	Living Sequence binary search, dp, math, number theory	1500	x12476
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7582
1811B	Conveyor Belts implementation, math	1000	x20486
1811A	Insert Digit greedy, math, strings	800	x31279
1810H	Last Number combinatorics, math	2900	x141
1810F	M-tree data structures, math, sortings, trees	2800	x575
1810D	Climbing the Tree binary search, math	1700	x7492
1810B	Candies constructive algorithms, math, number theory	800	x17608
1809G	Prediction combinatorics, dp, math	2800	x448
1809E	Two Tanks binary search, dp, implementation, math	2400	x850
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x12932
1809B	Points on Plane binary search, greedy, math	1000	x20044
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x445
1808B	Playing in a Casino math, sortings	1200	x17355
1806F2	GCD Master (hard version) greedy, math, sortings	2900	x300
1806F1	GCD Master (easy version) greedy, math, number theory, sortings	2900	x360
1806D	DSU Master combinatorics, dp, dsu, math	2500	x936
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7676
1806A	Walking Master geometry, greedy, math	800	x25475
1805F2	Survival of the Weakest (hard version) greedy, math, sortings, two pointers	3100	x352
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x924
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12662
1804C	Pull Your Luck brute force, greedy, math, number theory	1500	x12243
1804A	Lame King greedy, math	800	x17997
1802B	Settlement of Guinea Pigs greedy, implementation, math	1000	x13392
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x598
1799G	Count Voting combinatorics, dp, math	2600	x791
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1218
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x11440
1799A	Recent Actions data structures, greedy, implementation, math	800	x11632
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x502
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x10140
1798C	Candy Store greedy, math, number theory	1700	x8269
1797E	Li Hua and Array brute force, data structures, dsu, math, number theory, two pointers	2300	x1298
1796F	Strange Triples brute force, math, number theory	2900	x173
1796C	Maximum Set binary search, math	1600	x10543
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x2059
1795D	Triangle Coloring combinatorics, math	1600	x9284
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3619
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x14076