Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
2 days
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Problems

#	Name
1971G	XOUR data structures, dsu, sortings	1400	x5102
1971E	Find the Car binary search, math, sortings	1500	x8203
1971D	Binary Cut greedy, implementation, sortings, strings	1100	x17342
1971A	My First Sorting Problem implementation, sortings	800	x30489
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x1943
1969D	Shop Game data structures, greedy, math, sortings	1900	x3236
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x8936
1965A	Everything Nim games, greedy, math, sortings	1400	x10046
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x260
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x7173
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23857
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4909
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x692
1951C	Ticket Hoarding greedy, math, sortings	1400	x9650
1949F	Dating greedy, sortings, trees	2200	x763
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x1868
1946A	Median of an Array greedy, implementation, sortings	800	x23580
1945F	Kirill and Mushrooms data structures, sortings	1900	x3581
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2431
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5214
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x124
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x32
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x174
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1098
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7152
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17856
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x35520
1932F	Feed Cats data structures, dp, sortings	1900	x3409
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13392
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6419
1930A	Maximise The Score greedy, sortings	800	x17184
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28936
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15323
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3813
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2281
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x19052
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20026
1920B	Summation Game games, greedy, math, sortings	1100	x19311
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3604
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x775
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1558
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22158
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5442
1915F	Greetings data structures, divide and conquer, sortings	1500	x11659
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11275
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11173
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x18245
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1883
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9987
1907F	Shift and Reverse greedy, sortings	1800	x4392
1906F	Maximize The Value data structures, sortings	2100	x938
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3826
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10679
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12878
1903A	Halloumi Boxes brute force, greedy, sortings	800	x24329
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1373
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x2914
1899E	Queue Sort greedy, implementation, sortings	1300	x13944
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2057
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x308
1896E	Permutation Sorting data structures, sortings	2100	x2022
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8626
1896A	Jagged Swaps sortings	800	x18835
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1456
1895B	Points and Minimum Distance greedy, math, sortings	800	x19656
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8094
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x774
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11341
1891B	Deja Vu brute force, math, sortings	1100	x15844
1891A	Sorting with Twos constructive algorithms, sortings	800	x18380
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3016
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6756
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1337
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5467
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4886
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2142
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7538
1876A	Helmets in Night Light greedy, sortings	1000	x14875
1873E	Building an Aquarium binary search, sortings	1100	x23109
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6440
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14449
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19225
1866F	Freak Joker Process binary search, data structures, sortings	3100	x120
1864F	Exotic Queries data structures, implementation, sortings	2300	x1316
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2468
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14766
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2617
1863B	Split Sort greedy, math, sortings	1100	x14598
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2659
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19676
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x265
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6562
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24386
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4095
1857E	Power of Points math, sortings	1500	x11533
1857D	Strong Vertices math, sortings, trees	1300	x17769
1857C	Assembly via Minimums greedy, sortings	1200	x23031
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4149
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2937
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9468

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