Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
13:31:59
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Problems

#	Name
1938D	Bánh Bò	3300	x78
1938C	Bit Counting Sequence	1900	x1261
1938B	Attraction Score	3000	x148
1938A	Antiparticle Antiphysics	3500	x37
1937B	Binary Path dp, greedy, implementation	1300	x13165
1937A	Shuffle Party implementation, math	800	x21528
1936F	Grand Finale: Circles binary search, geometry	3300	x68
1936E	Yet Yet Another Permutation Problem divide and conquer, fft, math	3400	x96
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x419
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1105
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2461
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x6596
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x396
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1174
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7357
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7170
1935B	Informatics in MAC constructive algorithms	1200	x16533
1935A	Entertainment in MAC constructive algorithms, strings	800	x25543
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x184
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1198
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3088
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6066
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16744
1934A	Too Min Too Max greedy, math	800	x23469
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x871
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2206
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9765
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17902
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20595
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30026
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35550
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x884
1932F	Feed Cats data structures, dp, sortings	1900	x3415
1932E	Final Countdown implementation, math, number theory	1600	x6848
1932D	Card Game greedy, implementation	1400	x9953
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13757
1932B	Chaya Calendar number theory	1100	x18478
1932A	Thorns and Coins dp, greedy, implementation	800	x26835
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2459
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x6977
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13414
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15928
1931C	Make Equal Again brute force, greedy, math	1000	x26177
1931B	Make Equal greedy	800	x30088
1931A	Recovering a Small String brute force, strings	800	x33631
1930I	Counting Is Fun combinatorics	3500	x51
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x123
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x253
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x614
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x988
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2376
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3705
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6433
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13687
1930A	Maximise The Score greedy, sortings	800	x17204
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1635
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1518
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4190
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13316
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23839
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28983
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x211
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1556
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3762
1928C	Physical Education Lesson brute force, math, number theory	1600	x7516
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15363
1928A	Rectangle Cutting geometry, math	800	x21242
1927G	Paint Charges data structures, dp, greedy, math	2300	x1497
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3818
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12465
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18382
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25666
1927B	Following the String constructive algorithms, greedy, strings	900	x30493
1927A	Make it White greedy, strings	800	x39834
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2977
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1500
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10118
1926D	Vlad and Division bitmasks, greedy	1300	x13681
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x23336
1926B	Vlad and Shapes geometry, implementation	800	x29924
1926A	Vlad and the Best of Five implementation	800	x42345
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3237
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18285
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27189
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x129
1924E	Paper Cutting Again combinatorics, probabilities	3100	x394
1924D	Balanced Subsequences combinatorics, dp, math	2700	x778
1924C	Fractal Origami geometry, math, matrices	2400	x1046
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2283
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12392
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x333
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3209
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5942
1923C	Find B constructive algorithms, greedy	1400	x13228
1923B	Monsters Attack! dp, greedy, implementation	1100	x16238
1923A	Moving Chips greedy, implementation	800	x23315
1922F	Replace on Segment dp, graph matchings	2500	x1169
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7066
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5242
1922C	Closest Cities greedy, implementation, math	1300	x16929