Problemset - Codeforces

→ Pay attention

Before contest
Refact.ai Match 1 (Codeforces Round 985)
4 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1955A	Yogurt Sale math	800	x43504
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x24161
1951A	Dual Trigger constructive algorithms, greedy, math	900	x19728
1950C	Clock Conversion implementation, math	800	x39951
1950B	Upscaling implementation	800	x38054
1950A	Stair, Peak, or Neither? implementation	800	x52834
1948A	Special Characters brute force, constructive algorithms	800	x28563
1946A	Median of an Array greedy, implementation, sortings	800	x26057
1945B	Fireworks math, number theory	900	x22696
1945A	Setting up Camp greedy, math	800	x27640
1944A	Destroying Bridges graphs, greedy, math	800	x23778
1942A	Farmer John's Challenge constructive algorithms, math	800	x17234
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x33430
1941B	Rudolf and 121 brute force, dp, greedy, math	1000	x29863
1941A	Rudolf and the Ticket brute force, math	800	x42495
1937A	Shuffle Party implementation, math	800	x23165
1935A	Entertainment in MAC constructive algorithms, strings	800	x27969
1934A	Too Min Too Max greedy, math	800	x25434
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x32964
1933A	Turtle Puzzle: Rearrange and Negate greedy, math, sortings	800	x38212
1932A	Thorns and Coins dp, greedy, implementation	800	x29711
1931C	Make Equal Again brute force, greedy, math	1000	x29231
1931B	Make Equal greedy	800	x32261
1931A	Recovering a Small String brute force, strings	800	x36256
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x15336
1930A	Maximise The Score greedy, sortings	800	x18633
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x25303
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x31551
1928A	Rectangle Cutting geometry, math	800	x22676
1927C	Choose the Different Ones! brute force, greedy, math	1000	x28073
1927B	Following the String constructive algorithms, greedy, strings	900	x33327
1927A	Make it White greedy, strings	800	x43651
1926B	Vlad and Shapes geometry, implementation	800	x32546
1926A	Vlad and the Best of Five implementation	800	x48553
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x28929
1923A	Moving Chips greedy, implementation	800	x24731
1922A	Tricky Template constructive algorithms, implementation, strings	800	x27050
1921C	Sending Messages greedy, math	900	x29481
1921B	Arranging Cats greedy, implementation	800	x33889
1921A	Square greedy, math	800	x43567
1920A	Satisfying Constraints brute force, greedy, math	800	x27937
1919B	Plus-Minus Split greedy	800	x29800
1919A	Wallet Exchange games, math	800	x33457
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x23901
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x30322
1917A	Least Product constructive algorithms, math	800	x25582
1916B	Two Divisors constructive algorithms, math, number theory	1000	x25977
1916A	2023 constructive algorithms, implementation, math, number theory	800	x26094
1915D	Unnatural Language Processing greedy, implementation, strings	900	x30492
1915C	Can I Square? binary search, implementation	800	x43123
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x42586
1915A	Odd One Out bitmasks, implementation	800	x58002
1914B	Preparing for the Contest constructive algorithms, math	800	x30455
1914A	Problemsolving Log implementation, strings	800	x31937
1913B	Swap and Delete strings	1000	x27431
1913A	Rating Increase implementation	800	x24043
1912L	LOL Lovers strings	800	x7056
1909A	Distinct Buttons implementation, math	800	x16782
1907B	YetnotherrokenKeoard data structures, implementation, strings	1000	x25863
1907A	Rook implementation	800	x36962
1906A	Easy As ABC brute force	1000	x4421
1905A	Constructive Problems constructive algorithms, math	800	x23035
1904A	Forked! brute force, implementation	900	x20405
1903A	Halloumi Boxes brute force, greedy, sortings	800	x33309
1902A	Binary Imbalance constructive algorithms	800	x21223
1901A	Line Trip greedy, math	800	x33232
1900B	Laura and Operations dp, math	900	x17578
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x28732
1899A	Game with Integers games, math, number theory	800	x47416
1898A	Milica and String brute force, implementation, strings	800	x16091
1896B	AB Flipping greedy, strings, two pointers	900	x14960
1896A	Jagged Swaps sortings	800	x24897
1895B	Points and Minimum Distance greedy, math, sortings	800	x20520
1895A	Treasure Chest math	800	x24479
1894B	Two Out of Three constructive algorithms	1000	x16021
1894A	Secret Sport implementation, strings	800	x18991
1891A	Sorting with Twos constructive algorithms, sortings	800	x19295
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x17583
1890A	Doremy's Paint 3 constructive algorithms	800	x27477
1886A	Sum of Three brute force, constructive algorithms, math	800	x25943
1884A	Simple Design brute force, greedy, math	800	x17533
1883C	Raspberries dp, math	1000	x28123
1883B	Chemistry strings	900	x32962
1883A	Morning math	800	x25810
1882A	Increasing Sequence greedy	800	x25453
1881B	Three Threadlets math	900	x25552
1881A	Don't Try to Count brute force, strings	800	x32631
1879B	Chips on the Board constructive algorithms, greedy	900	x22696
1879A	Rigged! greedy	800	x23191
1878C	Vasilije in Cacak math	900	x33624
1878B	Aleksa and Stack constructive algorithms, math	800	x31557
1878A	How Much Does Daytona Cost? greedy	800	x45360
1877A	Goals of Victory math	800	x24167
1876A	Helmets in Night Light greedy, sortings	1000	x18334
1875A	Jellyfish and Undertale brute force, greedy	900	x26080
1873D	1D Eraser greedy, implementation, two pointers	800	x35454
1873C	Target Practice implementation, math	800	x41525
1873B	Good Kid brute force, greedy, math	800	x49410
1873A	Short Sort brute force, implementation	800	x54979
1872B	The Corridor or There and Back Again greedy, implementation	900	x28030