Problemset - Codeforces

Problems

#	Name
1938I	Symmetric Boundary	2800	x76
1938H	Pho Restaurant	1600	x2163
1938G	Personality Test	2300	x1056
1938F	Forming Groups	2400	x759
1938E	Duplicates	2200	x1016
1938D	Bánh Bò	3300	x91
1938C	Bit Counting Sequence	1900	x1476
1938B	Attraction Score	3000	x199
1938A	Antiparticle Antiphysics	3500	x56
1937B	Binary Path dp, greedy, implementation	1300	x15096
1937A	Shuffle Party implementation, math	800	x23190
1936F	Grand Finale: Circles binary search, geometry	3300	x144
1936E	Yet Yet Another Permutation Problem divide and conquer, fft, math	3400	x125
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x513
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1332
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2944
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x7495
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x452
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1370
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x8289
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x8228
1935B	Informatics in MAC constructive algorithms	1200	x18634
1935A	Entertainment in MAC constructive algorithms, strings	800	x28014
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x240
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1391
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3541
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6838
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x19029
1934A	Too Min Too Max greedy, math	800	x25475
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x983
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2504
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x11305
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x20363
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x22735
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x33017
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x38286
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x1092
1932F	Feed Cats data structures, dp, sortings	1900	x4159
1932E	Final Countdown implementation, math, number theory	1600	x8278
1932D	Card Game greedy, implementation	1400	x11527
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x15866
1932B	Chaya Calendar number theory	1100	x20894
1932A	Thorns and Coins dp, greedy, implementation	800	x29766
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2870
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x8134
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x16105
1931D	Divisible Pairs combinatorics, math, number theory	1300	x19181
1931C	Make Equal Again brute force, greedy, math	1000	x29319
1931B	Make Equal greedy	800	x32327
1931A	Recovering a Small String brute force, strings	800	x36338
1930I	Counting Is Fun combinatorics	3500	x73
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x179
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x340
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x715
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1146
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x2648
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x4149
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x7148
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x15386
1930A	Maximise The Score greedy, sortings	800	x18670
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1811
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1712
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4836
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x15042
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x25382
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x31661
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x244
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1738
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x4297
1928C	Physical Education Lesson brute force, math, number theory	1600	x8646
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x17656
1928A	Rectangle Cutting geometry, math	800	x22746
1927G	Paint Charges data structures, dp, greedy, math	2300	x1697
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x4429
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x14158
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x21808
1927C	Choose the Different Ones! brute force, greedy, math	1000	x28153
1927B	Following the String constructive algorithms, greedy, strings	900	x33430
1927A	Make it White greedy, strings	800	x43797
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x3637
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1726
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x12056
1926D	Vlad and Division bitmasks, greedy	1300	x15670
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x26919
1926B	Vlad and Shapes geometry, implementation	800	x32639
1926A	Vlad and the Best of Five implementation	800	x48778
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3683
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x20240
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x28969
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x155
1924E	Paper Cutting Again combinatorics, probabilities	3100	x441
1924D	Balanced Subsequences combinatorics, dp, math	2700	x1014
1924C	Fractal Origami geometry, math, matrices	2400	x1178
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2600
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x14080
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x378
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3924
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6875
1923C	Find B constructive algorithms, greedy	1400	x15260
1923B	Monsters Attack! dp, greedy, implementation	1100	x17795