Problemset - Codeforces

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
09:16:01
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1744A	Number Replacement greedy, implementation	800	x27271
1743B	Permutation Value constructive algorithms, greedy	800	x22294
1743A	Password brute force, combinatorics, implementation, math	800	x26913
1742C	Stripes implementation	900	x33478
1742B	Increasing greedy, implementation, sortings	800	x48667
1742A	Sum implementation	800	x75092
1741B	Funny Permutation constructive algorithms, math	800	x25548
1741A	Compare T-Shirt Sizes implementation, implementation, strings	800	x31105
1740B	Jumbo Extra Cheese 2 geometry, greedy, sortings	800	x13786
1740A	Factorise N+M constructive algorithms, number theory	800	x20415
1739A	Immobile Knight implementation	800	x22862
1738A	Glory Addicts greedy, implementation, sortings	800	x13560
1737A	Ela Sorting Books greedy, implementation, strings	900	x10176
1736A	Make A Equal to B brute force, greedy, sortings	800	x22919
1735B	Tea with Tangerines greedy, math	900	x18302
1735A	Working Week constructive algorithms, greedy, math	800	x20351
1734B	Bright, Nice, Brilliant constructive algorithms	800	x15864
1734A	Select Three Sticks brute force, greedy, sortings	800	x21286
1733B	Rule of League constructive algorithms, math	900	x19850
1733A	Consecutive Sum greedy, sortings	800	x21039
1732B	Ugu brute force, dp, greedy, implementation	900	x15181
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x15162
1731A	Joey Takes Money greedy, math	800	x22694
1730A	Planets data structures, greedy, sortings	800	x23176
1729B	Decode String greedy, strings	800	x30451
1729A	Two Elevators math	800	x40951
1728B	Best Permutation constructive algorithms, greedy	800	x20188
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24725
1726A	Mainak and Array greedy, math	900	x22403
1725B	Basketball Together binary search, greedy, sortings	1000	x14510
1725A	Accumulation of Dominoes math	800	x9312
1722C	Word Game data structures, implementation	800	x31483
1722B	Colourblindness implementation	800	x47026
1722A	Spell Check implementation	800	x51872
1721B	Deadly Laser implementation	1000	x22334
1721A	Image greedy, implementation	800	x27115
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x21287
1720A	Burenka Plays with Fractions math, number theory	900	x22521
1719B	Mathematical Circus constructive algorithms, math	800	x18593
1719A	Chip Game games, math	800	x25671
1717A	Madoka and Strange Thoughts math, number theory	800	x19578
1716B	Permutation Chain constructive algorithms, math	800	x21463
1716A	2-3 Moves greedy, math	800	x33180
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x22322
1715A	Crossmarket constructive algorithms, greedy, math	800	x23604
1714C	Minimum Varied Number greedy	800	x31200
1714B	Remove Prefix data structures, greedy, implementation	800	x30645
1714A	Everyone Loves to Sleep implementation, math	900	x29940
1713B	Optimal Reduction constructive algorithms, sortings	1000	x21413
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22043
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21668
1712A	Wonderful Permutation greedy, implementation	800	x24161
1711A	Perfect Permutation constructive algorithms	800	x25262
1709B	Also Try Minecraft data structures, dp, implementation	900	x22956
1709A	Three Doors brute force, greedy, implementation, math	800	x29746
1708A	Difference Operations greedy, math	800	x21835
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x23055
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x23135
1705A	Mark the Photographer greedy, sortings	800	x25346
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x18525
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x16060
1703C	Cypher brute force, implementation, strings	800	x35998
1703B	ICPC Balloons data structures, implementation	800	x50280
1703A	YES or YES? brute force, implementation, strings	800	x71571
1702D	Not a Cheap String greedy	1000	x23860
1702B	Polycarp Writes a String from Memory greedy	800	x27786
1702A	Round Down the Price constructive algorithms	800	x35089
1701B	Permutation greedy	800	x20243
1701A	Grass Field implementation	800	x26442
1700A	Optimal Path constructive algorithms, greedy, math	800	x22952
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19893
1699A	The Third Three Number Problem constructive algorithms, math	800	x24081
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20987
1698A	XOR Mixup bitmasks, brute force	800	x29417
1697B	Promo greedy, sortings	900	x26967
1697A	Parkway Walk greedy, implementation	800	x25807
1696B	NIT Destroys the Universe greedy	900	x21903
1696A	NIT orz! bitmasks, greedy	800	x18881
1695B	Circle Game games, greedy	1000	x18591
1695A	Subrectangle Guess games	800	x16386
1694A	Creep greedy, implementation	800	x22728
1692C	Where's the Bishop? implementation	800	x34596
1692B	All Distinct greedy, sortings	800	x34570
1692A	Marathon implementation	800	x66765
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x23542
1691A	Beat The Odds brute force, greedy, math	800	x30683
1690D	Black and White Stripe implementation, two pointers	1000	x30516
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x26315
1690B	Array Decrements greedy, implementation	800	x25547
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x33725
1689B	Mystic Permutation data structures, greedy	900	x17618
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16839
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x18337
1688A	Cirno's Perfect Bitmasks Classroom bitmasks, brute force	800	x21785
1686B	Odd Subarrays dp, greedy	800	x18335
1686A	Everything Everywhere All But One greedy	800	x20522
1684B	Z mod X = C constructive algorithms, math	800	x21049
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23974
1682A	Palindromic Indices greedy, strings	800	x19330
1681B	Card Trick implementation, math	800	x20173