Problemset - Codeforces

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Codeforces Round (Div. 2)
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Problems

#	Name
1995B1	Bouquet (Easy Version) binary search, brute force, greedy, sortings, two pointers	1100	x14120
1994B	Fun Game bitmasks, constructive algorithms, greedy, math	1100	x13716
1992D	Test of Love dp, greedy, implementation	1200	x17599
1990B	Array Craft constructive algorithms, greedy	1200	x13230
1989B	Substring and Subsequence brute force, greedy, strings	1200	x17872
1987C	Basil's Garden dp, greedy	1200	x15339
1987B	K-Sort greedy	1000	x18037
1986C	Update Queries data structures, greedy, sortings	1100	x21092
1986B	Matrix Stabilization brute force, data structures, greedy, sortings	1000	x24497
1985C	Good Prefixes greedy	1000	x28705
1984B	Large Addition implementation, math	1100	x16801
1983B	Corner Twist constructive algorithms, greedy, implementation, math	1200	x14592
1982C	Boring Day binary search, data structures, dp, greedy, two pointers	1200	x15410
1982B	Collatz Conjecture brute force, implementation, math, number theory	1200	x15321
1979B	XOR Sequences bitmasks, greedy	1000	x21051
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x16555
1976B	Increase/Decrease/Copy greedy, implementation	1100	x20777
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x13326
1975B	378QAQ and Mocha's Array brute force, greedy, math, sortings	1000	x16461
1971D	Binary Cut dp, greedy, implementation, sortings, strings	1100	x23923
1970A1	Balanced Shuffle (Easy) implementation, sortings	1000	x3826
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x17564
1966B	Rectangle Filling constructive algorithms, implementation	1100	x14026
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x17031
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x26369
1954C	Long Multiplication greedy, math, number theory	1200	x18191
1954B	Make It Ugly implementation, math	1200	x17466
1951B	Battle Cows binary search, data structures, greedy	1200	x13764
1950D	Product of Binary Decimals brute force, dp, implementation, number theory	1100	x22072
1948B	Array Fix brute force, dp, greedy, implementation	1100	x21962
1946B	Maximum Sum dp, greedy, math	1100	x19444
1941D	Rudolf and the Ball Game dfs and similar, dp, implementation	1200	x17712
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x28425
1934B	Yet Another Coin Problem brute force, dp, greedy, math	1200	x17927
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x19270
1933C	Turtle Fingers: Count the Values of k brute force, implementation, math, number theory	1100	x21838
1931C	Make Equal Again brute force, greedy, math	1000	x27822
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x16472
1927C	Choose the Different Ones! brute force, greedy, math	1000	x26923
1926C	Vlad and a Sum of Sum of Digits dp, implementation	1200	x25095
1925B	A Balanced Problemset? brute force, greedy, math, number theory	1200	x19240
1923B	Monsters Attack! dp, greedy, implementation	1100	x17093
1921D	Very Different Array data structures, greedy, sortings, two pointers	1100	x20946
1920B	Summation Game games, greedy, math, sortings	1100	x20136
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x17326
1914D	Three Activities brute force, dp, greedy, implementation, sortings	1200	x20037
1914C	Quests greedy, math	1100	x22524
1910A	Username *special problem, implementation	1100	x1707
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x19415
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x24538
1905B	Begginer's Zelda greedy, trees	1100	x15887
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x14185
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x12166
1902B	Getting Points binary search, brute force, greedy	1100	x13947
1901B	Chip and Ribbon greedy, math	1100	x14538
1899C	Yarik and Array dp, greedy, two pointers	1100	x19735
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x19507
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12355
1881C	Perfect Square brute force, implementation	1200	x16627
1876A	Helmets in Night Light greedy, sortings	1000	x16404
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x16606
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13888
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15127
1863C	MEX Repetition implementation, math	1100	x13791
1863B	Split Sort greedy, math, sortings	1100	x15024
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20308
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20923
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16574
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16716
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25852
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22613
1857C	Assembly via Minimums greedy, sortings	1200	x24596
1857B	Maximum Rounding greedy, implementation, math	1100	x22636
1851C	Tiles Comeback greedy	1000	x22940
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x22110
1849B	Monsters greedy, math, sortings	1000	x24341
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x14247
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19658
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x18552
1842B	Tenzing and Books bitmasks, greedy, math	1100	x16490
1841B	Keep it Beautiful implementation	1000	x21137
1839B	Lamps greedy, sortings	1100	x14850
1837C	Best Binary String constructive algorithms, greedy	1000	x21637
1836B	Astrophysicists greedy, math	1100	x12477
1834C	Game with Reversing games, greedy, math, strings	1200	x13041
1834B	Maximum Strength greedy, math	1000	x14935
1832C	Contrast Value greedy, implementation	1200	x19613
1831B	Array merging constructive algorithms, greedy	1000	x19732
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x19286
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x25417
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14888
1825B	LuoTianyi and the Table greedy, math	1000	x14453
1821B	Sort the Subarray brute force, greedy	1100	x17892
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x15040
1811C	Restore the Array constructive algorithms, greedy	1100	x19401
1811B	Conveyor Belts implementation, math	1000	x20066
1809B	Points on Plane binary search, greedy, math	1000	x19456
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x18555
1807G1	Subsequence Addition (Easy Version) brute force, data structures, dp, greedy, implementation, sortings	1100	x18413
1804B	Vaccination greedy, implementation	1000	x14032

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