Problemset - Codeforces

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Codeforces Round #956 (Div. 2) and ByteRace 2024
16:50:49
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Problems

#	Name
1989E	Distance to Different combinatorics, dp, math	2300	x1198
1989D	Smithing Skill brute force, data structures, dp, greedy, math, sortings, two pointers	1900	x4074
1989C	Two Movies greedy, math	1400	x13035
1987A	Upload More RAM greedy, math	800	x19314
1986G2	Permutation Problem (Hard Version) brute force, data structures, hashing, math, number theory	2500	x706
1986G1	Permutation Problem (Simple Version) binary search, brute force, combinatorics, data structures, math, number theory	2200	x1039
1986E	Beautiful Array greedy, math, number theory, sortings	1700	x6537
1986D	Mathematical Problem brute force, dp, greedy, implementation, math, two pointers	1400	x11915
1986A	X Axis brute force, geometry, math, sortings	800	x33104
1985G	D-Function combinatorics, math, number theory	1600	x7241
1985E	Secret Box brute force, combinatorics, math	1200	x16696
1985D	Manhattan Circle implementation, math	900	x29278
1985B	Maximum Multiple Sum brute force, math, number theory	800	x38240
1984F	Reconstruction brute force, dp, math	2500	x743
1984D	''a'' String Problem brute force, hashing, implementation, math, string suffix structures, strings	2000	x2702
1984C2	Magnitude (Hard Version) combinatorics, dp, greedy, math	1700	x6153
1984C1	Magnitude (Easy Version) dp, greedy, math	1300	x13694
1984B	Large Addition implementation, math	1100	x15781
1982E	Number of k-good subarrays bitmasks, brute force, combinatorics, divide and conquer, dp, math, meet-in-the-middle	2300	x1164
1982D	Beauty of the mountains brute force, data structures, implementation, math, number theory	1700	x5535
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x13950
1982A	Soccer greedy, implementation, math, sortings	800	x21399
1981C	Turtle and an Incomplete Sequence bitmasks, brute force, constructive algorithms, greedy, implementation, math	1800	x4326
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x11800
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x19952
1980F2	Field Division (hard version) math, sortings	2400	x798
1980F1	Field Division (easy version) data structures, math, sortings	1900	x3168
1980E	Permutation of Rows and Columns constructive algorithms, data structures, greedy, hashing, implementation, math, matrices, sortings	1600	x8786
1980D	GCD-sequence greedy, implementation, math, number theory	1400	x12272
1980A	Problem Generator math	800	x36224
1978D	Elections data structures, greedy, implementation, math	1600	x8938
1978C	Manhattan Permutations constructive algorithms, data structures, greedy, implementation, math	1300	x12257
1978B	New Bakery binary search, greedy, math, ternary search	800	x19269
1977C	Nikita and LCM brute force, data structures, dp, greedy, math, number theory, sortings	1900	x5778
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x15939
1977A	Little Nikita math	800	x27730
1976E	Splittable Permutations combinatorics, data structures, dfs and similar, greedy, math, trees	2500	x814
1975G	Zimpha Fan Club fft, greedy, math, strings	3000	x194
1975F	Set bitmasks, brute force, combinatorics, dfs and similar, divide and conquer, dp, math	2600	x683
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x15669
1974A	Phone Desktop greedy, math	800	x30626
1973E	Cat, Fox and Swaps graphs, math, sortings	2500	x688
1973D	Cat, Fox and Maximum Array Split brute force, interactive, math	2400	x1693
1973C	Cat, Fox and Double Maximum constructive algorithms, greedy, implementation, math, sortings	1700	x7332
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x12521
1973A	Chess For Three brute force, dp, implementation, math	900	x21986
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x8640
1971E	Find the Car binary search, math, sortings	1500	x12304
1969D	Shop Game data structures, greedy, math, sortings	1900	x3960
1969A	Two Friends constructive algorithms, implementation, math	800	x18470
1968G2	Division + LCP (hard version) binary search, brute force, data structures, dp, hashing, math, string suffix structures, strings	2200	x1681
1968D	Permutation Game brute force, dfs and similar, games, graphs, greedy, math	1300	x13451
1968A	Maximize? brute force, math, number theory	800	x30819
1967E2	Again Counting Arrays (Hard Version) combinatorics, dp, math	3500	x83
1967E1	Again Counting Arrays (Easy Version) combinatorics, dp, fft, math	3100	x167
1967C	Fenwick Tree bitmasks, brute force, combinatorics, data structures, dp, math, trees	2300	x1479
1967B2	Reverse Card (Hard Version) brute force, math, number theory	2200	x3515
1967B1	Reverse Card (Easy Version) brute force, math, number theory	1400	x11804
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x11023
1965A	Everything Nim games, greedy, math, sortings	1400	x12036
1958B	Clock in the Pool *special problem, math	1400	x735
1957E	Carousel of Combinations brute force, combinatorics, dp, math, number theory	2400	x1116
1957D	A BIT of an Inequality bitmasks, brute force, dp, math	1900	x4055
1957C	How Does the Rook Move? combinatorics, dp, math	1600	x8634
1956E2	Nene vs. Monsters (Hard Version) brute force, greedy, implementation, math	2700	x749
1956E1	Nene vs. Monsters (Easy Version) brute force, implementation, math	2500	x1337
1956D	Nene and the Mex Operator bitmasks, brute force, constructive algorithms, divide and conquer, dp, greedy, implementation, math	2000	x3540
1956C	Nene's Magical Matrix constructive algorithms, greedy, math	1600	x11815
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x3963
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x6442
1955C	Inhabitant of the Deep Sea greedy, implementation, math	1300	x19477
1955A	Yogurt Sale math	800	x39656
1954F	Unique Strings combinatorics, dp, math	3100	x233
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1995
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x5474
1954C	Long Multiplication greedy, math, number theory	1200	x17719
1954B	Make It Ugly implementation, math	1200	x17074
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x22271
1952G	Mathematician Takeover binary search, dfs and similar, math		x975
1952E	Sweep Line combinatorics, games, math		x222
1951G	Clacking Balls combinatorics, math, probabilities	3100	x287
1951E	No Palindromes brute force, constructive algorithms, divide and conquer, greedy, hashing, implementation, math, strings	2000	x3287
1951D	Buying Jewels constructive algorithms, greedy, math	2000	x5061
1951C	Ticket Hoarding greedy, math, sortings	1400	x10656
1951A	Dual Trigger constructive algorithms, greedy, math	900	x18232
1950C	Clock Conversion implementation, math	800	x37159
1949K	Make Triangle constructive algorithms, math	2800	x265
1949H	Division Avoidance greedy, math	3100	x78
1949E	Damage per Second brute force, math	2900	x89
1948F	Rare Coins combinatorics, math, probabilities	2500	x1203
1946E	Girl Permutation combinatorics, dp, math, number theory	2200	x2237
1946B	Maximum Sum dp, greedy, math	1100	x19109
1945H	GCD is Greater brute force, data structures, math, number theory	2600	x560
1945B	Fireworks math, number theory	900	x21107
1945A	Setting up Camp greedy, math	800	x26170
1944A	Destroying Bridges graphs, greedy, math	800	x22388
1943D1	Counting Is Fun (Easy Version) brute force, combinatorics, dp, math	2400	x1337
1943B	Non-Palindromic Substring hashing, implementation, math, strings	2000	x3537
1942G	Bessie and Cards combinatorics, dp, math	2800	x408
1942F	Farmer John's Favorite Function brute force, data structures, implementation, math	2700	x620

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