Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
4 days

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Problems

#	Name
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x17343
1934A	Too Min Too Max greedy, math	800	x24081
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x905
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2278
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x10169
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x18510
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21206
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30735
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x36332
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x919
1932F	Feed Cats data structures, dp, sortings	1900	x3582
1932E	Final Countdown implementation, math, number theory	1600	x7265
1932D	Card Game greedy, implementation	1400	x10396
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x14364
1932B	Chaya Calendar number theory	1100	x19169
1932A	Thorns and Coins dp, greedy, implementation	800	x27655
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2540
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x7235
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13978
1931D	Divisible Pairs combinatorics, math, number theory	1300	x16670
1931C	Make Equal Again brute force, greedy, math	1000	x26967
1931B	Make Equal greedy	800	x30707
1931A	Recovering a Small String brute force, strings	800	x34296
1930I	Counting Is Fun combinatorics	3500	x57
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x135
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x313
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x632
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1032
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2442
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3812
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6594
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14137
1930A	Maximise The Score greedy, sortings	800	x17656
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1672
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1554
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4320
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13720
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24246
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x29786
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x219
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1593
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3891
1928C	Physical Education Lesson brute force, math, number theory	1600	x7837
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15897
1928A	Rectangle Cutting geometry, math	800	x21648
1927G	Paint Charges data structures, dp, greedy, math	2300	x1538
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3965
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12873
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x19057
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26257
1927B	Following the String constructive algorithms, greedy, strings	900	x31152
1927A	Make it White greedy, strings	800	x40647
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3122
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1554
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10695
1926D	Vlad and Division bitmasks, greedy	1300	x14270
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x24256
1926B	Vlad and Shapes geometry, implementation	800	x30682
1926A	Vlad and the Best of Five implementation	800	x43899
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3330
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18746
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27683
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x135
1924E	Paper Cutting Again combinatorics, probabilities	3100	x406
1924D	Balanced Subsequences combinatorics, dp, math	2700	x800
1924C	Fractal Origami geometry, math, matrices	2400	x1069
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2335
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12768
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x344
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3343
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6139
1923C	Find B constructive algorithms, greedy	1400	x13721
1923B	Monsters Attack! dp, greedy, implementation	1100	x16623
1923A	Moving Chips greedy, implementation	800	x23667
1922F	Replace on Segment dp, graph matchings	2500	x1192
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7231
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5338
1922C	Closest Cities greedy, implementation, math	1300	x17273
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x19490
1922A	Tricky Template constructive algorithms, implementation, strings	800	x26206
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1166
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3564
1921E	Eat the Chip brute force, games, greedy, math	1600	x9150
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20444
1921C	Sending Messages greedy, math	900	x27893
1921B	Arranging Cats greedy, implementation	800	x32486
1921A	Square greedy, math	800	x40840
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x424
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x902
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2438
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5228
1920C	Partitioning the Array brute force, math, number theory	1600	x12248
1920B	Summation Game games, greedy, math, sortings	1100	x19688
1920A	Satisfying Constraints brute force, greedy, math	800	x26848
1919H	Tree Diameter interactive, trees	2000	x135
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x172
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x759
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2063
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x794
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3655