Problemset - Codeforces

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Educational Codeforces Round 189 (Rated for Div. 2)
2 days
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Problems

#	Name
1997A	Strong Password brute force, implementation, strings	800	x33323
1996B	Scale greedy, implementation	800	x36854
1996A	Legs binary search, math, ternary search	800	x56990
1995A	Diagonals brute force, greedy, implementation, math	800	x26382
1994A	Diverse Game constructive algorithms, greedy, implementation	800	x22263
1993A	Question Marks greedy, implementation	800	x33082
1992B	Angry Monk greedy, math, sortings	800	x37875
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x49071
1991A	Maximize the Last Element greedy, implementation	800	x24351
1989A	Catch the Coin implementation	800	x29303
1987A	Upload More RAM greedy, math	800	x28930
1986A	X Axis brute force, geometry, math, sortings	800	x47869
1985B	Maximum Multiple Sum brute force, math, number theory	800	x56437
1985A	Creating Words implementation, strings	800	x71849
1984A	Strange Splitting constructive algorithms	800	x22847
1983A	Array Divisibility constructive algorithms, math	800	x28082
1982A	Soccer greedy, implementation, math, sortings	800	x27471
1981A	Turtle and Piggy Are Playing a Game brute force, greedy, math	800	x24225
1980B	Choosing Cubes sortings, sortings	800	x38385
1980A	Problem Generator math	800	x47475
1979A	Guess the Maximum brute force, greedy, implementation	800	x31729
1978B	New Bakery binary search, greedy, math, ternary search	800	x25295
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x28589
1977A	Little Nikita math	800	x39032
1976A	Verify Password implementation, sortings, strings	800	x32594
1975A	Bazoka and Mocha's Array brute force, greedy, implementation, sortings	800	x20676
1974B	Symmetric Encoding implementation, sortings, strings	800	x34382
1974A	Phone Desktop greedy, math	800	x37846
1972A	Contest Proposal brute force, greedy, two pointers	800	x25875
1971B	Different String implementation, strings	800	x44438
1971A	My First Sorting Problem implementation, sortings	800	x59057
1969A	Two Friends constructive algorithms, implementation, math	800	x22014
1968B	Prefiquence greedy, two pointers	800	x31357
1968A	Maximize? brute force, math, number theory	800	x39354
1966A	Card Exchange constructive algorithms, games, greedy	800	x19548
1957A	Stickogon constructive algorithms, greedy	800	x25648
1956B	Nene and the Card Game games, greedy	800	x22896
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x24148
1955A	Yogurt Sale math	800	x52568
1950C	Clock Conversion implementation, math	800	x46768
1950B	Upscaling implementation	800	x44105
1950A	Stair, Peak, or Neither? implementation	800	x69107
1948A	Special Characters brute force, constructive algorithms	800	x30918
1946A	Median of an Array greedy, implementation, sortings	800	x28535
1945A	Setting up Camp greedy, math	800	x30289
1944A	Destroying Bridges graphs, greedy, math	800	x28571
1942A	Farmer John's Challenge constructive algorithms, math	800	x18498
1941A	Rudolf and the Ticket brute force, math	800	x47607
1937A	Shuffle Party implementation, math	800	x24615
1935A	Entertainment in MAC constructive algorithms, strings	800	x30300
1934A	Too Min Too Max greedy, math	800	x27227
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x36207
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x42042
1932A	Thorns and Coins dp, greedy, implementation	800	x33813
1931B	Make Equal greedy	800	x35300
1931A	Recovering a Small String brute force, strings	800	x39882
1930A	Maximise The Score greedy, sortings	800	x20263
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x26702
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x34880
1928A	Rectangle Cutting geometry, math	800	x24400
1927A	Make it White greedy, strings	800	x51290
1926B	Vlad and Shapes geometry, implementation	800	x36383
1926A	Vlad and the Best of Five implementation	800	x61908
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x31118
1923A	Moving Chips greedy, implementation	800	x26348
1922A	Tricky Template constructive algorithms, implementation, strings	800	x28796
1921B	Arranging Cats greedy, implementation	800	x36515
1921A	Square greedy, math	800	x49460
1920A	Satisfying Constraints brute force, greedy, math	800	x29524
1919B	Plus-Minus Split greedy	800	x31628
1919A	Wallet Exchange games, math	800	x36139
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x32309
1917A	Least Product constructive algorithms, math	800	x27222
1916A	2023 constructive algorithms, implementation, math, number theory	800	x28261
1915C	Can I Square? binary search, implementation	800	x53868
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x50055
1915A	Odd One Out bitmasks, implementation	800	x79037
1914B	Preparing for the Contest constructive algorithms, math	800	x33178
1914A	Problemsolving Log implementation, strings	800	x35095
1913A	Rating Increase implementation	800	x27213
1912L	LOL Lovers strings	800	x8586
1909A	Distinct Buttons implementation, math	800	x18913
1907A	Rook implementation	800	x41681
1905A	Constructive Problems constructive algorithms, math	800	x24401
1903A	Halloumi Boxes brute force, greedy, sortings	800	x78627
1902A	Binary Imbalance constructive algorithms	800	x23238
1901A	Line Trip greedy, math	800	x74412
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x63375
1899A	Game with Integers games, math, number theory	800	x91797
1898A	Milica and String brute force, implementation, strings	800	x17409
1896A	Jagged Swaps sortings	800	x56620
1895B	Points and Minimum Distance greedy, math, sortings	800	x21563
1895A	Treasure Chest math	800	x25877
1894A	Secret Sport implementation, strings	800	x20421
1891A	Sorting with Twos constructive algorithms, sortings	800	x20518
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x18728
1890A	Doremy's Paint 3 constructive algorithms	800	x56465
1886A	Sum of Three brute force, constructive algorithms, math	800	x27688
1884A	Simple Design brute force, greedy, math	800	x19132
1883A	Morning math	800	x29162

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