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	x1186
1934D1	XOR Break --- Solo Version bitmasks, constructive algorithms, greedy	2100	x3063
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6019
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x16573
1934A	Too Min Too Max greedy, math	800	x23299
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	x2195
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9660
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17697
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x20413
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x29824
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35326
1932G	Moving Platforms graphs, math, number theory, shortest paths	2300	x873
1932F	Feed Cats data structures, dp, sortings	1900	x3370
1932E	Final Countdown implementation, math, number theory	1600	x6754
1932D	Card Game greedy, implementation	1400	x9843
1932C	LR-remainders brute force, data structures, implementation, math, two pointers	1400	x13610
1932B	Chaya Calendar number theory	1100	x18317
1932A	Thorns and Coins dp, greedy, implementation	800	x26613
1931G	One-Dimensional Puzzle combinatorics, math, number theory	2000	x2435
1931F	Chat Screenshots combinatorics, dfs and similar, graphs	1700	x6909
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13272
1931D	Divisible Pairs combinatorics, math, number theory	1300	x15769
1931C	Make Equal Again brute force, greedy, math	1000	x25974
1931B	Make Equal greedy	800	x29924
1931A	Recovering a Small String brute force, strings	800	x33480
1930I	Counting Is Fun combinatorics	3500	x50
1930H	Interactive Mex Tree constructive algorithms, dfs and similar, interactive, trees	3300	x119
1930G	Prefix Max Set Counting data structures, dp, trees	3100	x247
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x611
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	x2357
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3675
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6393
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13552
1930A	Maximise The Score greedy, sortings	800	x17107
1929F	Sasha and the Wedding Binary Search Tree brute force, combinatorics, data structures, dfs and similar, math, trees	2300	x1622
1929E	Sasha and the Happy Tree Cutting bitmasks, brute force, dfs and similar, dp, graphs, greedy, math, trees	2300	x1505
1929D	Sasha and a Walk in the City combinatorics, dp, math, trees	1900	x4156
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13188
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x23737
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28827
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x209
1928E	Modular Sequence brute force, constructive algorithms, dp, graphs, greedy, math, number theory	2300	x1537
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3724
1928C	Physical Education Lesson brute force, math, number theory	1600	x7448
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15207
1928A	Rectangle Cutting geometry, math	800	x21124
1927G	Paint Charges data structures, dp, greedy, math	2300	x1489
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3776
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x12360
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18212
1927C	Choose the Different Ones! brute force, greedy, math	1000	x25502
1927B	Following the String constructive algorithms, greedy, strings	900	x30289
1927A	Make it White greedy, strings	800	x39619
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2931
1926F	Vlad and Avoiding X bitmasks, brute force, dfs and similar, dp, implementation	2200	x1475
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9955
1926D	Vlad and Division bitmasks, greedy	1300	x13481
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x22994
1926B	Vlad and Shapes geometry, implementation	800	x29657
1926A	Vlad and the Best of Five implementation	800	x41859
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3207
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x18176
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27112
1924F	Anti-Proxy Attendance constructive algorithms, dp, interactive, ternary search	3500	x127
1924E	Paper Cutting Again combinatorics, probabilities	3100	x390
1924D	Balanced Subsequences combinatorics, dp, math	2700	x770
1924C	Fractal Origami geometry, math, matrices	2400	x1036
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2273
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12300
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x328
1923E	Count Paths data structures, dfs and similar, dp, dsu, graphs, trees	2000	x3163
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5873
1923C	Find B constructive algorithms, greedy	1400	x13090
1923B	Monsters Attack! dp, greedy, implementation	1100	x16103
1923A	Moving Chips greedy, implementation	800	x23203
1922F	Replace on Segment dp, graph matchings	2500	x1162
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7029
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5217
1922C	Closest Cities greedy, implementation, math	1300	x16835
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18980
1922A	Tricky Template constructive algorithms, implementation, strings	800	x25854
1921G	Mischievous Shooter brute force, data structures, divide and conquer, dp, implementation	2200	x1119
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3430
1921E	Eat the Chip brute force, games, greedy, math	1600	x8891
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19935
1921C	Sending Messages greedy, math	900	x27250
1921B	Arranging Cats greedy, implementation	800	x31933
1921A	Square greedy, math	800	x39858
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x398
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x872
1920E	Counting Binary Strings combinatorics, dp, math	2100	x2352
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5084
1920C	Partitioning the Array brute force, math, number theory	1600	x11783
1920B	Summation Game games, greedy, math, sortings	1100	x19232
1920A	Satisfying Constraints brute force, greedy, math	800	x26444
1919H	Tree Diameter interactive, trees	2000	x128
1919G	Tree LGM constructive algorithms, divide and conquer, games, trees	3500	x170