Problemset - Codeforces

→ Pay attention

Before contest
2023 Post World Finals Online ICPC Challenge powered by Huawei
25:30:15
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x22729
1566A	Median Maximization binary search, greedy, math	800	x22718
1772C	Different Differences constructive algorithms, greedy, math	1000	x22663
1498A	GCD Sum brute force, math	800	x22646
1543B	Customising the Track combinatorics, greedy, math	900	x22645
1334A	Level Statistics implementation, math	1200	x22626
1849B	Monsters greedy, math, sortings	1000	x22616
1338A	Powered Addition greedy, math	1500	x22607
1754A	Technical Support greedy	800	x22605
1367C	Social Distance constructive algorithms, greedy, math	1300	x22586
1657B	XY Sequence greedy	800	x22571
165A	Supercentral Point implementation	1000	x22570
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22552
1883C	Raspberries dp, math	1000	x22543
1700A	Optimal Path constructive algorithms, greedy, math	800	x22536
1730A	Planets data structures, greedy, sortings	800	x22505
1613C	Poisoned Dagger binary search	1200	x22501
651A	Joysticks dp, greedy, implementation, math	1100	x22494
1362A	Johnny and Ancient Computer implementation	1000	x22471
1647A	Madoka and Math Dad implementation, math	800	x22458
285C	Building Permutation greedy, implementation, sortings	1200	x22455
1616A	Integer Diversity implementation	800	x22422
1736A	Make A Equal to B brute force, greedy, sortings	800	x22415
1436A	Reorder math	800	x22407
1492A	Three swimmers math	800	x22400
1617B	GCD Problem brute force, constructive algorithms, math, number theory	900	x22395
1108B	Divisors of Two Integers brute force, greedy, math, number theory	1100	x22390
1466B	Last minute enhancements dp, greedy	800	x22369
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x22358
588A	Duff and Meat greedy	900	x22347
1800C1	Powering the Hero (easy version) data structures, greedy	1000	x22338
1760D	Challenging Valleys implementation, two pointers	1000	x22326
1295A	Display The Number greedy	900	x22318
1626B	Minor Reduction greedy, strings	1100	x22313
1005B	Delete from the Left brute force, implementation, strings	900	x22309
1739A	Immobile Knight implementation	800	x22296
1822C	Bun Lover math	800	x22275
1618B	Missing Bigram implementation	800	x22274
1466A	Bovine Dilemma brute force, geometry, math	800	x22264
1913A	Rating Increase implementation	800	x22250
999A	Mishka and Contest brute force, implementation	800	x22248
1806A	Walking Master geometry, greedy, math	800	x22236
1453A	Cancel the Trains implementation	800	x22226
1300B	Assigning to Classes greedy, implementation, sortings	1000	x22216
1851C	Tiles Comeback greedy	1000	x22212
1722D	Line greedy, sortings	1100	x22208
1474A	Puzzle From the Future greedy	800	x22194
483A	Counterexample brute force, implementation, math, number theory	1100	x22189
1374D	Zero Remainder Array math, sortings, two pointers	1400	x22176
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22175
294A	Shaass and Oskols implementation, math	800	x22169
1511C	Yet Another Card Deck brute force, data structures, implementation, trees	1100	x22117
1731A	Joey Takes Money greedy, math	800	x22113
1694A	Creep greedy, implementation	800	x22112
1857B	Maximum Rounding greedy, implementation, math	1100	x22069
1637A	Sorting Parts brute force, sortings	800	x22068
1635A	Min Or Sum bitmasks, greedy	800	x22068
508B	Anton and currency you all know greedy, math, strings	1300	x22052
1879A	Rigged! greedy	800	x22046
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x22036
258A	Little Elephant and Bits greedy, math	1100	x22034
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22029
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22026
1771A	Hossam and Combinatorics combinatorics, math, sortings	900	x22020
1768B	Quick Sort greedy, math	900	x22015
1547C	Pair Programming greedy, two pointers	1100	x22008
610A	Pasha and Stick combinatorics, math	1000	x21996
1749A	Cowardly Rooks greedy, implementation	800	x21976
1559B	Mocha and Red and Blue dp, greedy	900	x21962
1511B	GCD Length constructive algorithms, math, number theory	1100	x21949
501A	Contest implementation	900	x21949
296A	Yaroslav and Permutations greedy, math	1100	x21946
1285C	Fadi and LCM brute force, math, number theory	1400	x21935
1774A	Add Plus Minus Sign constructive algorithms, math	800	x21930
1743B	Permutation Value constructive algorithms, greedy	800	x21925
1872C	Non-coprime Split math, number theory	1100	x21916
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21900
1388B	Captain Flint and a Long Voyage greedy, math	1000	x21897
1176A	Divide it! brute force, greedy, implementation	800	x21875
300A	Array brute force, constructive algorithms, implementation	1100	x21875
1742E	Scuza binary search, greedy, math	1200	x21842
1709B	Also Try Minecraft data structures, dp, implementation	900	x21831
1249A	Yet Another Dividing into Teams math	800	x21821
1679A	AvtoBus brute force, greedy, math, number theory	900	x21810
1452A	Robot Program math	800	x21777
716A	Crazy Computer implementation	800	x21771
1905A	Constructive Problems constructive algorithms, math	800	x21744
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21739
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x21729
1720A	Burenka Plays with Fractions math, number theory	900	x21725
129A	Cookies implementation	900	x21725
1064A	Make a triangle! brute force, geometry, math	800	x21691
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x21687
1B	Spreadsheet implementation, math	1600	x21686
1875A	Jellyfish and Undertale brute force, greedy	900	x21679
1800D	Remove Two Letters data structures, greedy, hashing, strings	1200	x21664
1847A	The Man who became a God greedy, sortings	800	x21655
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x21652
1913B	Swap and Delete strings	1000	x21619
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x21617