Problemset - Codeforces

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Codeforces Round 943 (Div. 3)
27:04:32
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Problems

#	Name
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x244
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x604
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x977
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2343
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3655
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6356
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13465
1930A	Maximise The Score greedy, sortings	800	x17038
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1609
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1484
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4122
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13125
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23666
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28728
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x208
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1523
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3704
1928C	Physical Education Lesson brute force, math, number theory	1600	x7406
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15127
1928A	Rectangle Cutting geometry, math	800	x21051
1927G	Paint Charges data structures, dp, greedy, math	2300	x1480
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3740
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12280
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18108
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25388
1927B	Following the String constructive algorithms, greedy, strings	900	x30155
1927A	Make it White greedy, strings	800	x39475
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2899
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1456
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9846
1926D	Vlad and Division bitmasks, greedy	1300	x13364
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22789
1926B	Vlad and Shapes geometry, implementation	800	x29470
1926A	Vlad and the Best of Five implementation	800	x41478
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3191
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18117
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27061
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x123
1924E	Paper Cutting Again combinatorics, probabilities	3100	x386
1924D	Balanced Subsequences combinatorics, dp, math	2700	x755
1924C	Fractal Origami geometry, math, matrices	2400	x1028
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2261
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12239
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x324
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3128
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5828
1923C	Find B constructive algorithms, greedy	1400	x13001
1923B	Monsters Attack! dp, greedy, implementation	1100	x16051
1923A	Moving Chips greedy, implementation	800	x23127
1922F	Replace on Segment dp, graph matchings	2500	x1156
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x6995
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5181
1922C	Closest Cities greedy, implementation, math	1300	x16766
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18922
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25804
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1111
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3413
1921E	Eat the Chip brute force, games, greedy, math	1600	x8850
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19867
1921C	Sending Messages greedy, math	900	x27136
1921B	Arranging Cats greedy, implementation	800	x31848
1921A	Square greedy, math	800	x39712
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x394
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x867
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2337
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5063
1920C	Partitioning the Array brute force, math, number theory	1600	x11726
1920B	Summation Game games, greedy, math, sortings	1100	x19153
1920A	Satisfying Constraints brute force, greedy, math	800	x26399
1919H	Tree Diameter interactive, trees	2000	x128
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x169
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x734
1919F1	Wine Factory (Easy Version) data structures, greedy	2300	x2015
1919E	Counting Prefixes combinatorics, constructive algorithms, dp, implementation, math	2600	x766
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3580
1919C	Grouping Increases data structures, dp, greedy	1400	x16722
1919B	Plus-Minus Split greedy	800	x28739
1919A	Wallet Exchange games, math	800	x31624
1918G	Permutation of Given constructive algorithms, math	2700	x418
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x764
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1536
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4218
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12453
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x21983
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x28641
1917F	Construct Tree bitmasks, constructive algorithms, dp, trees	2500	x890
1917E	Construct Matrix constructive algorithms, math	2500	x1260
1917D	Yet Another Inversions Problem combinatorics, data structures, dp, implementation, math, number theory	2300	x1648
1917C	Watering an Array brute force, greedy, implementation, math	1600	x9342
1917B	Erase First or Second Letter brute force, combinatorics, data structures, dp, strings	1100	x19275
1917A	Least Product constructive algorithms, math	800	x24120
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x499
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x581
1916G	Optimizations From Chelsu divide and conquer, dp, number theory, trees	3500	x132
1916F	Group Division constructive algorithms, dfs and similar, graphs, greedy	2900	x404
1916E	Happy Life in University data structures, dfs and similar, greedy, trees	2300	x2088
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x7863
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16595
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23517
1916A	2023 constructive algorithms, implementation, math, number theory	800	x24460