Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 945 (Div. 2)
01:26:51
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1385B	Restore the Permutation by Merger greedy	800	x36329
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36374
124A	The number of positions math	1000	x36393
1343C	Alternating Subsequence dp, greedy, two pointers	1200	x36435
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x36483
1955A	Yogurt Sale math	800	x36782
1368A	C+= brute force, greedy, implementation, math	800	x36914
977B	Two-gram implementation, strings	900	x36959
1327A	Sum of Odd Integers math	1100	x36989
1097A	Gennady and a Card Game brute force, implementation	800	x37106
1335B	Construct the String constructive algorithms	900	x37132
509A	Maximum in Table brute force, implementation	800	x37299
1872A	Two Vessels brute force, greedy, math	800	x37384
499B	Lecture implementation, strings	1000	x37568
1385A	Three Pairwise Maximums math	800	x37632
1915C	Can I Square? binary search, implementation	800	x37786
519B	A and B and Compilation Errors data structures, implementation, sortings	1100	x37802
1579A	Casimir's String Solitaire math, strings	800	x37852
149A	Business trip greedy, implementation, sortings	900	x37885
556A	Case of the Zeros and Ones greedy	900	x38017
577A	Multiplication Table implementation, number theory	1000	x38164
1358A	Park Lighting greedy, math	800	x38183
1899A	Game with Integers games, math, number theory	800	x38246
1325A	EhAb AnD gCd constructive algorithms, greedy, number theory	800	x38288
1348A	Phoenix and Balance greedy, math	800	x38430
1342A	Road To Zero greedy, math	1000	x38450
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x38489
459B	Pashmak and Flowers combinatorics, implementation, sortings	1300	x38557
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x38747
1729A	Two Elevators math	800	x39011
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x39034
1878A	How Much Does Daytona Cost? greedy	800	x39042
1941A	Rudolf and the Ticket brute force, math	800	x39078
1454A	Special Permutation constructive algorithms, probabilities	800	x39357
368B	Sereja and Suffixes data structures, dp	1100	x39600
1296A	Array with Odd Sum math	800	x39601
1927A	Make it White greedy, strings	800	x39845
1807B	Grab the Candies greedy	800	x39886
580C	Kefa and Park dfs and similar, graphs, trees	1500	x39909
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x40016
1462A	Favorite Sequence implementation, two pointers	800	x40040
1669B	Triple implementation, sortings	800	x40060
1921A	Square greedy, math	800	x40070
327A	Flipping Game brute force, dp, implementation	1200	x40076
233A	Perfect Permutation implementation, math	800	x40536
1850B	Ten Words of Wisdom implementation, sortings	800	x40547
1311A	Add Odd or Subtract Even greedy, implementation, math	800	x40734
1791C	Prepend and Append implementation, two pointers	800	x40801
1472A	Cards for Friends greedy, math	800	x40911
1829B	Blank Space implementation	800	x41024
476A	Dreamoon and Stairs implementation, math	1000	x41281
1850C	Word on the Paper implementation, strings	800	x41288
935A	Fafa and his Company brute force, implementation	800	x41603
313B	Ilya and Queries dp, implementation	1100	x41618
702A	Maximum Increase dp, greedy, implementation	800	x41642
1760B	Atilla's Favorite Problem greedy, implementation, strings	800	x41919
1791B	Following Directions geometry, implementation	800	x41996
1926A	Vlad and the Best of Five implementation	800	x42370
1542A	Odd Set math	800	x42418
1399B	Gifts Fixing greedy	800	x42429
1520D	Same Differences data structures, hashing, math	1200	x42859
474A	Keyboard implementation	900	x42893
1520B	Ordinary Numbers brute force, math, number theory	800	x42971
584A	Olesya and Rodion math	1000	x42991
451B	Sort the Array implementation, sortings	1300	x43178
731A	Night at the Museum implementation, strings	800	x43311
1722B	Colourblindness implementation	800	x43395
1374C	Move Brackets greedy, strings	1000	x43545
270A	Fancy Fence geometry, implementation, math	1100	x43546
1857A	Array Coloring greedy, math	800	x43754
1772A	A+B? implementation	800	x44208
959A	Mahmoud and Ehab and the even-odd game games, math	800	x44317
1950A	Stair, Peak, or Neither? implementation	800	x44355
460A	Vasya and Socks brute force, implementation, math	900	x44360
1371A	Magical Sticks math	800	x44400
1294A	Collecting Coins math	800	x44405
379A	New Year Candles implementation	1000	x44576
1873B	Good Kid brute force, greedy, math	800	x44597
489C	Given Length and Sum of Digits... dp, greedy, implementation	1400	x44617
1742B	Increasing greedy, implementation, sortings	800	x44686
474B	Worms binary search, implementation	1200	x44974
1676B	Equal Candies greedy, math, sortings	800	x45338
456A	Laptops sortings	1100	x45576
1703B	ICPC Balloons data structures, implementation	800	x45632
1426A	Floor Number implementation, math	800	x45657
514A	Chewbaсca and Number greedy, implementation	1200	x45994
1374B	Multiply by 2, divide by 6 math	900	x46030
1829A	Love Story implementation, strings	800	x46127
1360B	Honest Coach greedy, sortings	800	x46186
1343A	Candies brute force, math	900	x46382
707A	Brain's Photos implementation	800	x46437
1535A	Fair Playoff brute force, implementation	800	x46540
1475B	New Year's Number brute force, dp, math	900	x46567
489B	BerSU Ball dfs and similar, dp, graph matchings, greedy, sortings, two pointers	1200	x46681
1283A	Minutes Before the New Year math	800	x46704
749A	Bachgold Problem greedy, implementation, math, number theory	800	x46707
492A	Vanya and Cubes implementation	800	x46921
1722A	Spell Check implementation	800	x47142
1472B	Fair Division dp, greedy, math	800	x47625
1353B	Two Arrays And Swaps greedy, sortings	800	x47643