Problemset - Codeforces

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Codeforces Round 953 (Div. 2)
03:40:01
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Problems

#	Name
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x10117
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x18444
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21138
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30663
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x36245
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x917
1932E	Final Countdown implementation, math, number theory	1600	x7221
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x14291
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2531
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13913
1931D	Divisible Pairs combinatorics, math, number theory	1300	x16586
1931C	Make Equal Again brute force, greedy, math	1000	x26894
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1030
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14099
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1669
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1550
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4300
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13678
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24208
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x29710
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x219
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1592
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3873
1928C	Physical Education Lesson brute force, math, number theory	1600	x7799
1928A	Rectangle Cutting geometry, math	800	x21597
1927G	Paint Charges data structures, dp, greedy, math	2300	x1530
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12834
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26199
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10649
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3323
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18705
1924D	Balanced Subsequences combinatorics, dp, math	2700	x797
1924C	Fractal Origami geometry, math, matrices	2400	x1067
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2332
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7222
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5327
1922C	Closest Cities greedy, implementation, math	1300	x17236
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x19448
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3547
1921E	Eat the Chip brute force, games, greedy, math	1600	x9128
1921C	Sending Messages greedy, math	900	x27823
1921A	Square greedy, math	800	x40742
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2432
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5220
1920C	Partitioning the Array brute force, math, number theory	1600	x12198
1920B	Summation Game games, greedy, math, sortings	1100	x19646
1920A	Satisfying Constraints brute force, greedy, math	800	x26812
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x790
1919A	Wallet Exchange games, math	800	x32096
1918G	Permutation of Given constructive algorithms, math	2700	x431
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12951
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29146
1917E	Construct Matrix constructive algorithms, math	2500	x1292
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1691
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9630
1917A	Least Product constructive algorithms, math	800	x24511
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x508
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x589
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8040
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16972
1916B	Two Divisors constructive algorithms, math, number theory	1000	x24183
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24845
1915E	Romantic Glasses data structures, greedy, math	1300	x19209
1914G1	Light Bulbs (Easy Version) brute force, combinatorics, dfs and similar, dp, dsu, graphs, math, trees	2100	x1709
1914C	Quests greedy, math	1100	x21495
1914B	Preparing for the Contest constructive algorithms, math	800	x29000
1912I	Innovative Washing Machine geometry, math, two pointers	3300	x55
1912F	Fugitive Frenzy math, probabilities	3100	x106
1912E	Evaluate It and Back Again constructive algorithms, implementation, math	2200	x802
1912D	Divisibility Test math	1900	x1354
1912B	Blueprint for Seating combinatorics, divide and conquer, math	2100	x950
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x98
1909F2	Small Permutation Problem (Hard Version) combinatorics, dp, math	2500	x847
1909F1	Small Permutation Problem (Easy Version) brute force, combinatorics, dp, math	2200	x1666
1909E	Multiple Lamps bitmasks, brute force, constructive algorithms, math, number theory	2400	x1277
1909D	Split Plus K greedy, math, number theory	1900	x4088
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x10266
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x14690
1909A	Distinct Buttons implementation, math	800	x15885
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18862
1906M	Triangle Construction greedy, math	1700	x2401
1906K	Deck-Building Game divide and conquer, math	2500	x269
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x877
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3574
1905A	Constructive Problems constructive algorithms, math	800	x22112
1903E	Geo Game greedy, interactive, math	2000	x1843
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x916
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12647
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6365
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10975
1901B	Chip and Ribbon greedy, math	1100	x14244
1901A	Line Trip greedy, math	800	x26630
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3825
1900B	Laura and Operations dp, math	900	x16376
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x12549
1899A	Game with Integers games, math, number theory	800	x39704
1898D	Absolute Beauty greedy, math	1900	x4878
1898B	Milena and Admirer greedy, math	1500	x10807
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x96
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x84