Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 945 (Div. 2)
13:08:56
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1367A	Short Substrings implementation, strings	800	x54959
455A	Boredom dp	1500	x54510
1760A	Medium Number implementation, sortings	800	x54081
1343B	Balanced Array constructive algorithms, math	800	x53795
313A	Ilya and Bank Account implementation, number theory	900	x53725
703A	Mishka and Game implementation	800	x53705
9A	Die Roll math, probabilities	800	x52748
43A	Football strings	1000	x52303
431A	Black Square implementation	800	x51663
1850A	To My Critics implementation, sortings	800	x51344
1374A	Required Remainder math	800	x50745
1367B	Even Array greedy, math	800	x50427
500A	New Year Transportation dfs and similar, graphs, implementation	1000	x50375
1352C	K-th Not Divisible by n binary search, math	1200	x50204
1915A	Odd One Out bitmasks, implementation	800	x50050
1624A	Plus One on the Subset math	800	x49884
1520A	Do Not Be Distracted! brute force, implementation	800	x49789
80A	Panoramix's Prediction brute force	800	x49769
1433A	Boring Apartments implementation, math	800	x49432
363B	Fence brute force, dp	1100	x49325
1873A	Short Sort brute force, implementation	800	x49043
1370A	Maximum GCD greedy, implementation, math, number theory	800	x48976
34B	Sale greedy, sortings	900	x48847
1619A	Square String? implementation, strings	800	x48638
1551A	Polycarp and Coins greedy, math	800	x48554
1360A	Minimal Square greedy, math	800	x48133
520B	Two Buttons dfs and similar, graphs, greedy, implementation, math, shortest paths	1400	x48073
279B	Books binary search, brute force, implementation, two pointers	1400	x47989
1353B	Two Arrays And Swaps greedy, sortings	800	x47639
1472B	Fair Division dp, greedy, math	800	x47618
1722A	Spell Check implementation	800	x47126
492A	Vanya and Cubes implementation	800	x46912
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46699
1283A	Minutes Before the New Year math	800	x46697
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46672
1475B	New Year's Number brute force, dp, math	900	x46561
1535A	Fair Playoff brute force, implementation	800	x46533
707A	Brain's Photos implementation	800	x46427
1343A	Candies brute force, math	900	x46376
1360B	Honest Coach greedy, sortings	800	x46181
1829A	Love Story implementation, strings	800	x46112
1374B	Multiply by 2, divide by 6 math	900	x46020
514A	Chewbaсca and Number greedy, implementation	1200	x45984
1426A	Floor Number implementation, math	800	x45646
1703B	ICPC Balloons data structures, implementation	800	x45622
456A	Laptops sortings	1100	x45570
1676B	Equal Candies greedy, math, sortings	800	x45329
474B	Worms binary search, implementation	1200	x44967
1742B	Increasing greedy, implementation, sortings	800	x44672
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44615
1873B	Good Kid brute force, greedy, math	800	x44580
379A	New Year Candles implementation	1000	x44572
1371A	Magical Sticks math	800	x44394
1294A	Collecting Coins math	800	x44389
460A	Vasya and Socks brute force, implementation, math	900	x44359
1950A	Stair, Peak, or Neither? implementation	800	x44316
959A	Mahmoud and Ehab and the even-odd game games, math	800	x44309
1772A	A+B? implementation	800	x44195
1857A	Array Coloring greedy, math	800	x43730
270A	Fancy Fence geometry, implementation, math	1100	x43539
1374C	Move Brackets greedy, strings	1000	x43538
1722B	Colourblindness implementation	800	x43383
731A	Night at the Museum implementation, strings	800	x43305
451B	Sort the Array implementation, sortings	1300	x43170
584A	Olesya and Rodion math	1000	x42988
1520B	Ordinary Numbers brute force, math, number theory	800	x42958
474A	Keyboard implementation	900	x42881
1520D	Same Differences data structures, hashing, math	1200	x42841
1399B	Gifts Fixing greedy	800	x42427
1542A	Odd Set math	800	x42414
1926A	Vlad and the Best of Five implementation	800	x42345
1791B	Following Directions geometry, implementation	800	x41991
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x41910
702A	Maximum Increase dp, greedy, implementation	800	x41634
313B	Ilya and Queries dp, implementation	1100	x41614
935A	Fafa and his Company brute force, implementation	800	x41598
1850C	Word on the Paper implementation, strings	800	x41277
476A	Dreamoon and Stairs implementation, math	1000	x41273
1829B	Blank Space implementation	800	x41016
1472A	Cards for Friends greedy, math	800	x40908
1791C	Prepend and Append implementation, two pointers	800	x40791
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x40731
1850B	Ten Words of Wisdom implementation, sortings	800	x40545
233A	Perfect Permutation implementation, math	800	x40532
327A	Flipping Game brute force, dp, implementation	1200	x40071
1921A	Square greedy, math	800	x40058
1669B	Triple implementation, sortings	800	x40053
1462A	Favorite Sequence implementation, two pointers	800	x40036
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x40008
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39905
1807B	Grab the Candies greedy	800	x39877
1927A	Make it White greedy, strings	800	x39834
368B	Sereja and Suffixes data structures, dp	1100	x39596
1296A	Array with Odd Sum math	800	x39583
1454A	Special Permutation constructive algorithms, probabilities	800	x39351
1941A	Rudolf and the Ticket brute force, math	800	x39044
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x39027
1878A	How Much Does Daytona Cost? greedy	800	x39017
1729A	Two Elevators math	800	x39006
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x38737