Problemset - Codeforces

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Problems

#	Name
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x182
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1188
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3069
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6026
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16596
1934A	Too Min Too Max greedy, math	800	x23319
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x863
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2196
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9668
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17712
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20433
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29849
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35347
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x874
1932F	Feed Cats data structures, dp, sortings	1900	x3371
1932E	Final Countdown implementation, math, number theory	1600	x6765
1932D	Card Game greedy, implementation	1400	x9857
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13623
1932B	Chaya Calendar number theory	1100	x18332
1932A	Thorns and Coins dp, greedy, implementation	800	x26645
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2438
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x6913
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13288
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15784
1931C	Make Equal Again brute force, greedy, math	1000	x25994
1931B	Make Equal greedy	800	x29941
1931A	Recovering a Small String brute force, strings	800	x33499
1930I	Counting Is Fun combinatorics	3500	x50
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x120
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x247
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x612
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x982
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2360
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3682
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6396
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13576
1930A	Maximise The Score greedy, sortings	800	x17114
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1625
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1507
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4158
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13197
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23741
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28835
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x209
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1540
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3727
1928C	Physical Education Lesson brute force, math, number theory	1600	x7451
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15232
1928A	Rectangle Cutting geometry, math	800	x21135
1927G	Paint Charges data structures, dp, greedy, math	2300	x1491
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3782
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12372
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18227
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25516
1927B	Following the String constructive algorithms, greedy, strings	900	x30310
1927A	Make it White greedy, strings	800	x39644
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2933
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1477
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9970
1926D	Vlad and Division bitmasks, greedy	1300	x13505
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x23026
1926B	Vlad and Shapes geometry, implementation	800	x29677
1926A	Vlad and the Best of Five implementation	800	x41906
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3211
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18182
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27118
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x127
1924E	Paper Cutting Again combinatorics, probabilities	3100	x391
1924D	Balanced Subsequences combinatorics, dp, math	2700	x770
1924C	Fractal Origami geometry, math, matrices	2400	x1040
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2274
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12306
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x329
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3169
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5882
1923C	Find B constructive algorithms, greedy	1400	x13107
1923B	Monsters Attack! dp, greedy, implementation	1100	x16121
1923A	Moving Chips greedy, implementation	800	x23214
1922F	Replace on Segment dp, graph matchings	2500	x1163
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7038
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5221
1922C	Closest Cities greedy, implementation, math	1300	x16840
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18987
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25857
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1120
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3434
1921E	Eat the Chip brute force, games, greedy, math	1600	x8893
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19944
1921C	Sending Messages greedy, math	900	x27261
1921B	Arranging Cats greedy, implementation	800	x31947
1921A	Square greedy, math	800	x39877
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x399
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x874
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2354
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5086
1920C	Partitioning the Array brute force, math, number theory	1600	x11787
1920B	Summation Game games, greedy, math, sortings	1100	x19241
1920A	Satisfying Constraints brute force, greedy, math	800	x26456
1919H	Tree Diameter interactive, trees	2000	x128
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x170