Problemset - Codeforces

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Codeforces Round 1101 (Div. 2)
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Problems

#	Name
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1738
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x3574
1936A	Bitwise Operation Wizard bitmasks, constructive algorithms, greedy, interactive, math	1700	x8694
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x610
1935E	Distance Learning Courses in MAC bitmasks, brute force, data structures, greedy, math	2400	x1657
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x10774
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x9818
1935B	Informatics in MAC constructive algorithms	1200	x20945
1935A	Entertainment in MAC constructive algorithms, strings	800	x30389
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x345
1934D2	XOR Break --- Game Version bitmasks, games, greedy, interactive	2400	x1769
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x4158
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x8119
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x22105
1934A	Too Min Too Max greedy, math	800	x27301
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x1191
1933F	Turtle Mission: Robot and the Earthquake dfs and similar, dp, graphs, shortest paths	2100	x2971
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x13688
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x23640
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x25457
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x36409
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x42210
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x1363
1932F	Feed Cats data structures, dp, sortings	1900	x5691
1932E	Final Countdown implementation, math, number theory	1600	x10271
1932D	Card Game greedy, implementation	1400	x13488
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x19023
1932B	Chaya Calendar number theory	1100	x23731
1932A	Thorns and Coins dp, greedy, implementation	800	x34017
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x3695
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x12138
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x26179
1931D	Divisible Pairs combinatorics, math, number theory	1300	x31205
1931C	Make Equal Again brute force, greedy, math	1000	x34011
1931B	Make Equal greedy	800	x35450
1931A	Recovering a Small String brute force, strings	800	x40068
1930I	Counting Is Fun combinatorics	3500	x104
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x366
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x514
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x939
1930E	2..3...4.... Wonderful! Wonderful! combinatorics, dp, math	2400	x1479
1930D2	Sum over all Substrings (Hard Version) bitmasks, divide and conquer, dp, dsu, greedy, implementation, strings	2100	x3065
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x4877
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x8179
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x17715
1930A	Maximise The Score greedy, sortings	800	x20313
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x2292
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x2088
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x5799
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x17345
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x26761
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x35051
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x347
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x2121
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x5185
1928C	Physical Education Lesson brute force, math, number theory	1600	x10408
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x20834
1928A	Rectangle Cutting geometry, math	800	x24464
1927G	Paint Charges data structures, dp, greedy, math	2300	x2004
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x5435
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x17128
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x33693
1927C	Choose the Different Ones! brute force, greedy, math	1000	x31659
1927B	Following the String constructive algorithms, greedy, strings	900	x38278
1927A	Make it White greedy, strings	800	x51652
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x4570
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x2100
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x14935
1926D	Vlad and Division bitmasks, greedy	1300	x18446
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x32943
1926B	Vlad and Shapes geometry, implementation	800	x36545
1926A	Vlad and the Best of Five implementation	800	x62561
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x4816
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x23208
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x31207
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x228
1924E	Paper Cutting Again combinatorics, probabilities	3100	x540
1924D	Balanced Subsequences combinatorics, dp, math	2700	x1439
1924C	Fractal Origami geometry, math, matrices	2400	x1386
1924B	Space Harbour data structures, implementation, math, sortings	2100	x3302
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x16819
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x536
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x5184
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x8408
1923C	Find B constructive algorithms, greedy	1400	x18543
1923B	Monsters Attack! dp, greedy, implementation	1100	x19946
1923A	Moving Chips greedy, implementation	800	x26398
1922F	Replace on Segment dp, graph matchings	2500	x1753
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x9123
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x6801
1922C	Closest Cities greedy, implementation, math	1300	x22112
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x23448
1922A	Tricky Template constructive algorithms, implementation, strings	800	x28916
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1480
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x5106
1921E	Eat the Chip brute force, games, greedy, math	1600	x11473
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x24338
1921C	Sending Messages greedy, math	900	x32693
1921B	Arranging Cats greedy, implementation	800	x36640
1921A	Square greedy, math	800	x49780

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