Problemset - Codeforces

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Refact.ai Match 1 (Codeforces Round 985)
12:48:57
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Problems

#	Name
1985H1	Maximize the Largest Component (Easy Version) brute force, data structures, dfs and similar, dsu, graphs, implementation	1700	x5578
1985G	D-Function combinatorics, math, number theory	1600	x9340
1985F	Final Boss binary search, data structures	1500	x15255
1985E	Secret Box brute force, combinatorics, math	1200	x19855
1985D	Manhattan Circle implementation, math	900	x34410
1985C	Good Prefixes greedy	1000	x32242
1985B	Maximum Multiple Sum brute force, math, number theory	800	x46135
1985A	Creating Words implementation, strings	800	x53488
1984H	Tower Capturing combinatorics, dp, geometry	3300	x167
1984G	Magic Trick II constructive algorithms, implementation, sortings	3200	x258
1984F	Reconstruction brute force, dp, math	2500	x936
1984E	Shuffle dp, greedy, trees	2400	x1395
1984D	''a'' String Problem brute force, hashing, implementation, math, string suffix structures, strings	2000	x3268
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x7380
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x16598
1984B	Large Addition implementation, math	1100	x18258
1984A	Strange Splitting constructive algorithms	800	x21117
1983G	Your Loss bitmasks, brute force, dp, trees	3000	x210
1983F	array-value binary search, bitmasks, data structures, greedy, two pointers	2500	x1191
1983E	I Love Balls combinatorics, math, probabilities	2300	x1997
1983D	Swap Dilemma constructive algorithms, data structures, divide and conquer, greedy, math, sortings	1700	x8177
1983C	Have Your Cake and Eat It Too binary search, brute force, greedy, implementation	1400	x12495
1983B	Corner Twist constructive algorithms, greedy, implementation, math	1200	x16036
1983A	Array Divisibility constructive algorithms, math	800	x25589
1982F	Sorting Problem Again binary search, data structures, sortings	2600	x942
1982E	Number of k-good subarrays bitmasks, brute force, combinatorics, divide and conquer, dp, math, meet-in-the-middle	2300	x1592
1982D	Beauty of the mountains brute force, data structures, implementation, math, number theory	1700	x7131
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x17496
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x16911
1982A	Soccer greedy, implementation, math, sortings	800	x25069
1981F	Turtle and Paths on a Tree data structures, dp, trees	3000	x269
1981E	Turtle and Intersected Segments data structures, dsu, graphs, greedy	2600	x899
1981D	Turtle and Multiplication constructive algorithms, dfs and similar, graphs, number theory	2400	x1654
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x5318
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x13705
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x22260
1980G	Yasya and the Mysterious Tree bitmasks, data structures, dfs and similar, graphs, greedy, strings, trees	2300	x1241
1980F2	Field Division (hard version) math, sortings	2400	x991
1980F1	Field Division (easy version) data structures, math, sortings	1900	x3732
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x10482
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x14263
1980C	Sofia and the Lost Operations constructive algorithms, greedy	1300	x18571
1980B	Choosing Cubes sortings, sortings	800	x34639
1980A	Problem Generator math	800	x40542
1979F	Kostyanych's Theorem brute force, constructive algorithms, graphs, interactive	2900	x314
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x1437
1979D	Fixing a Binary String bitmasks, brute force, constructive algorithms, dp, greedy, hashing, strings	1800	x6611
1979C	Earning on Bets binary search, combinatorics, constructive algorithms, number theory	1200	x18732
1979B	XOR Sequences bitmasks, greedy	1000	x22540
1979A	Guess the Maximum brute force, greedy, implementation	800	x28986
1978F	Large Graph data structures, dfs and similar, dsu, graphs, number theory, two pointers	2400	x1320
1978E	Computing Machine brute force, data structures, dp, greedy, implementation	2000	x3802
1978D	Elections data structures, greedy, implementation, math	1600	x11257
1978C	Manhattan Permutations constructive algorithms, data structures, greedy, implementation, math	1300	x14919
1978B	New Bakery binary search, greedy, math, ternary search	800	x22298
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x25610
1977E	Tensor constructive algorithms, graphs, interactive	2600	x679
1977D	XORificator bitmasks, brute force, greedy, hashing	2300	x1846
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x6743
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x17607
1977A	Little Nikita math	800	x31832
1976F	Remove Bridges data structures, dfs and similar, dp, greedy, sortings, trees	2800	x583
1976E	Splittable Permutations combinatorics, data structures, dfs and similar, greedy, math, trees	2500	x1033
1976D	Invertible Bracket Sequences binary search, combinatorics, data structures, divide and conquer, implementation, two pointers	2000	x4387
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x10380
1976B	Increase/Decrease/Copy greedy, implementation	1100	x22242
1976A	Verify Password implementation, sortings, strings	800	x28524
1975I	Mind Bloom dp	3500	x99
1975H	378QAQ and Core greedy, strings	3500	x116
1975G	Zimpha Fan Club fft, greedy, math, strings	3000	x224
1975F	Set bitmasks, brute force, combinatorics, dfs and similar, divide and conquer, dp, math	2600	x826
1975E	Chain Queries binary search, data structures, dfs and similar, implementation, trees	2100	x2317
1975D	Paint the Tree brute force, dfs and similar, dp, greedy, shortest paths, trees	1700	x6009
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x14524
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x17812
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x18478
1974G	Money Buys Less Happiness Now data structures, greedy, sortings	2000	x4284
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x3565
1974E	Money Buys Happiness dp	1800	x8033
1974D	Ingenuity-2 constructive algorithms, greedy, implementation	1400	x14795
1974C	Beautiful Triple Pairs combinatorics, data structures	1400	x15762
1974B	Symmetric Encoding implementation, sortings, strings	800	x30207
1974A	Phone Desktop greedy, math	800	x33193
1973F	Maximum GCD Sum Queries bitmasks, brute force, dp, implementation, number theory	3100	x225
1973E	Cat, Fox and Swaps graphs, math, sortings	2500	x797
1973D	Cat, Fox and Maximum Array Split brute force, interactive, math	2400	x1909
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x8346
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14078
1973A	Chess For Three brute force, dp, implementation, math	900	x24477
1972B	Coin Games games	900	x21554
1972A	Contest Proposal brute force, greedy, two pointers	800	x22916
1971H	±1 2-sat, dfs and similar, graphs	2100	x1842
1971G	XOUR data structures, dsu, sortings	1700	x9245
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x9972
1971E	Find the Car binary search, math, sortings	1500	x14258
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x25848
1971C	Clock and Strings implementation	900	x32947
1971B	Different String implementation, strings	800	x36862
1971A	My First Sorting Problem implementation, sortings	800	x45038
1970G3	Min-Fund Prison (Hard) bitmasks, dfs and similar, dp, graphs, trees	2400	x336