Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x209
1955E	Long Inversions brute force, greedy, implementation, sortings	1700	x6492
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x21978
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4382
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x669
1951C	Ticket Hoarding greedy, math, sortings	1400	x8943
1949F	Dating greedy, sortings, trees		x685
1949B	Charming Meals binary search, brute force, greedy, sortings		x1524
1946A	Median of an Array greedy, implementation, sortings	800	x22981
1945F	Kirill and Mushrooms data structures, sortings	1900	x3445
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2337
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5060
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x123
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		x171
1936C	Pokémon Arena data structures, graphs, greedy, implementation, shortest paths, sortings	2400	x1044
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7006
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17451
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x34992
1932F	Feed Cats data structures, dp, sortings	1900	x3292
1931E	Anna and the Valentine's Day Gift games, greedy, math, sortings	1400	x13091
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6309
1930A	Maximise The Score greedy, sortings	800	x16947
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x28643
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15026
1927F	Microcycle data structures, dfs and similar, dsu, graphs, greedy, implementation, sortings, trees	1900	x3683
1924B	Space Harbour data structures, implementation, math, sortings	2100	x2246
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18826
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x19823
1920B	Summation Game games, greedy, math, sortings	1100	x19105
1919D	01 Tree constructive algorithms, data structures, dsu, greedy, sortings, trees	2100	x3567
1918F	Caterpillar on a Tree dfs and similar, graphs, greedy, implementation, sortings, trees	2500	x762
1918E	ace5 and Task Order constructive algorithms, divide and conquer, implementation, interactive, probabilities, sortings	2200	x1529
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x21919
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x5356
1915F	Greetings data structures, divide and conquer, sortings	1500	x11417
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x11121
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x11043
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x17914
1912A	Accumulator Apex data structures, implementation, sortings	1900	x1836
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x9858
1907F	Shift and Reverse greedy, sortings	1800	x4318
1906F	Maximize The Value data structures, sortings	2100	x921
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3742
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10433
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12676
1903A	Halloumi Boxes brute force, greedy, sortings	800	x23540
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1347
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x2884
1899E	Queue Sort greedy, implementation, sortings	1300	x13765
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2026
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x295
1896E	Permutation Sorting data structures, sortings	2100	x1989
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8537
1896A	Jagged Swaps sortings	800	x18281
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1448
1895B	Points and Minimum Distance greedy, math, sortings	800	x19574
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8014
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x769
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11151
1891B	Deja Vu brute force, math, sortings	1100	x15589
1891A	Sorting with Twos constructive algorithms, sortings	800	x18298
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2974
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6672
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1320
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5382
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4834
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2122
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7433
1876A	Helmets in Night Light greedy, sortings	1000	x14603
1873E	Building an Aquarium binary search, sortings	1100	x22613
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6368
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x14264
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19134
1866F	Freak Joker Process binary search, data structures, sortings	3100	x112
1864F	Exotic Queries data structures, implementation, sortings	2300	x1306
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2459
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14713
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2597
1863B	Split Sort greedy, math, sortings	1100	x14522
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2627
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19545
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x262
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6496
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24086
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4050
1857E	Power of Points math, sortings	1500	x11425
1857D	Strong Vertices math, sortings, trees	1300	x17550
1857C	Assembly via Minimums greedy, sortings	1200	x22664
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4121
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2901
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9353
1851B	Parity Sort greedy, sortings, two pointers	800	x27938
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11127
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x31996
1850B	Ten Words of Wisdom implementation, sortings	800	x40081
1850A	To My Critics implementation, sortings	800	x50581
1849B	Monsters greedy, math, sortings	1000	x22465
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13265
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x848

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