Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
4 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
82A	Double Cola implementation, math	1100	x29508
1859A	United We Stand constructive algorithms, math, number theory	800	x29531
1095A	Repeating Cipher implementation	800	x29550
1722C	Word Game data structures, implementation	800	x29607
1535B	Array Reodering brute force, greedy, math, number theory, sortings	900	x29675
1567A	Domino Disaster implementation, strings	800	x29677
1141A	Game 23 implementation, math	1000	x29751
1473B	String LCM brute force, math, number theory, strings	1000	x29783
1914A	Problemsolving Log implementation, strings	800	x29898
1691A	Beat The Odds brute force, greedy, math	800	x29900
1547A	Shortest Path with Obstacle implementation, math	800	x29924
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x29927
1941C	Rudolf and the Ugly String dp, greedy, strings	900	x29958
1878B	Aleksa and Stack constructive algorithms, math	800	x29963
1926B	Vlad and Shapes geometry, implementation	800	x30008
1800A	Is It a Cat? implementation, strings	800	x30078
1519B	The Cake Is a Lie dp, math	800	x30079
1714C	Minimum Varied Number greedy	800	x30082
20C	Dijkstra? graphs, shortest paths	1900	x30083
1619B	Squares and Cubes implementation, math	800	x30112
1811A	Insert Digit greedy, math, strings	800	x30117
1472C	Long Jumps dp, graphs	1100	x30136
1506A	Strange Table math	800	x30138
1933B	Turtle Math: Fast Three Task implementation, math, number theory	800	x30152
709A	Juicer implementation	900	x30178
1931B	Make Equal greedy	800	x30185
1553A	Digits Sum math, number theory	800	x30209
688B	Lovely Palindromes constructive algorithms, math	1000	x30349
1927B	Following the String constructive algorithms, greedy, strings	900	x30592
1303A	Erasing Zeroes implementation, strings	800	x30648
1490A	Dense Array greedy, math	800	x30678
567A	Lineland Mail greedy, implementation	900	x30697
1520C	Not Adjacent Matrix constructive algorithms	1000	x30731
1611A	Make Even constructive algorithms, math	800	x30733
1360D	Buying Shovels math, number theory	1300	x30923
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30952
268B	Buttons implementation, math	1000	x30967
1538B	Friends and Candies greedy, math	800	x31076
1339A	Filling Diamonds brute force, dp, implementation, math	900	x31149
1742C	Stripes implementation	900	x31201
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x31216
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x31247
1462C	Unique Number brute force, greedy, math	900	x31363
1549A	Gregor and Cryptography math, number theory	800	x31439
1846A	Rudolph and Cut the Rope implementation, math	800	x31458
1372A	Omkar and Completion constructive algorithms, implementation	800	x31485
459A	Pashmak and Garden implementation	1200	x31490
1716A	2-3 Moves greedy, math	800	x31521
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x31529
1675A	Food for Animals greedy, math	800	x31632
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31639
540A	Combination Lock implementation	800	x31639
1833A	Musical Puzzle implementation, strings	800	x31665
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31758
822A	I'm bored with life implementation, math, number theory	800	x31765
1919A	Wallet Exchange games, math	800	x31836
1633A	Div. 7 brute force	800	x31959
1921B	Arranging Cats greedy, implementation	800	x32103
1294C	Product of Three Numbers greedy, math, number theory	1300	x32473
977C	Less or Equal sortings	1200	x32482
1692C	Where's the Bishop? implementation	800	x32614
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32631
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32652
450A	Jzzhu and Children implementation	1000	x32658
1840A	Cipher Shifer implementation, strings, two pointers	800	x32710
1873D	1D Eraser greedy, implementation, two pointers	800	x32843
1473A	Replacing Elements greedy, implementation, math, sortings	800	x32904
1692B	All Distinct greedy, sortings	800	x32910
115A	Party dfs and similar, graphs, trees	900	x32917
894A	QAQ brute force, dp	800	x33008
1373B	01 Game games	900	x33023
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x33026
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x33081
1337B	Kana and Dragon Quest game greedy, implementation, math	900	x33150
1335C	Two Teams Composing binary search, greedy, implementation, sortings	1100	x33378
1971A	My First Sorting Problem implementation, sortings	800	x33486
1702A	Round Down the Price constructive algorithms	800	x33525
1931A	Recovering a Small String brute force, strings	800	x33751
214A	System of Equations brute force	800	x33752
320A	Magic Numbers brute force, greedy	900	x33820
1950B	Upscaling implementation	800	x33861
1650A	Deletions of Two Adjacent Letters implementation, strings	800	x33958
1527A	And Then There Were K bitmasks	800	x34049
1353C	Board Moves math	1000	x34269
1703C	Cypher brute force, implementation, strings	800	x34293
1907A	Rook implementation	800	x34300
1624B	Make AP implementation, math	900	x34414
1363A	Odd Selection brute force, implementation, math	1200	x34494
1858A	Buttons games, greedy, math	800	x34586
265A	Colorful Stones (Simplified Edition) implementation	800	x34598
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34684
1560B	Who's Opposite? math	800	x34776
1325B	CopyCopyCopyCopyCopy greedy, implementation	800	x34961
978B	File Name greedy, strings	800	x35110
1660A	Vasya and Coins greedy, math	800	x35128
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x35161
1760C	Advantage data structures, implementation, sortings	800	x35194
478B	Random Teams combinatorics, constructive algorithms, greedy, math	1300	x35377
1950C	Clock Conversion implementation, math	800	x35426
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x35487