Problemset - Codeforces

→ Pay attention

Before contest
Refact.ai Match 1 (Codeforces Round 985)
3 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
1486A	Shifting Stacks greedy, implementation	900	x25447
1485A	Add and Divide brute force, greedy, math, number theory	1000	x22757
1482A	Prison Break math	800	x20468
1481A	Space Navigation greedy, strings	800	x24979
1480B	The Great Hero greedy, implementation, sortings	900	x17241
1480A	Yet Another String Game games, greedy, strings	800	x25911
1478A	Nezzar and Colorful Balls brute force, greedy	800	x26542
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x37971
1475B	New Year's Number brute force, dp, math	900	x49361
1475A	Odd Divisor math, number theory	900	x61900
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x29158
1474A	Puzzle From the Future greedy	800	x22512
1473B	String LCM brute force, math, number theory, strings	1000	x31617
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33948
1472B	Fair Division dp, greedy, math	800	x50913
1472A	Cards for Friends greedy, math	800	x42122
1471A	Strange Partition greedy, math, number theory	900	x26549
1469B	Red and Blue dp, greedy	1000	x27500
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x27559
1468N	Waste Sorting greedy, implementation	900	x8241
1468E	Four Segments greedy	800	x8845
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x24371
1466B	Last minute enhancements dp, greedy	800	x22700
1466A	Bovine Dilemma brute force, geometry, math	800	x22584
1462C	Unique Number brute force, greedy, math	900	x32755
1462B	Last Year's Substring dp, implementation, strings	800	x27269
1462A	Favorite Sequence implementation, two pointers	800	x42128
1461A	String Generation constructive algorithms, greedy	800	x18595
1459A	Red-Blue Shuffle math, probabilities	800	x17025
1455A	Strange Functions math, number theory	800	x26514
1454B	Unique Bid Auction implementation	800	x28449
1454A	Special Permutation constructive algorithms, probabilities	800	x40754
1453A	Cancel the Trains implementation	800	x22671
1452C	Two Brackets greedy	800	x19659
1452A	Robot Program math	800	x22171
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x19334
1451A	Subtract or Divide greedy, math	800	x24302
1450B	Balls of Steel brute force, geometry, greedy	1000	x15203
1450A	Avoid Trygub constructive algorithms, sortings	800	x18008
1447B	Numbers Box greedy, math	1000	x16883
1447A	Add Candies constructive algorithms, math	800	x13830
1445B	Elimination greedy, math	900	x15345
1445A	Array Rearrangment greedy, sortings	800	x19132
1443A	Kids Seating constructive algorithms, math	800	x16246
1440B	Sum of Medians greedy, math	900	x19182
1440A	Buy the String implementation, math	800	x19775
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x19966
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19278
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x18025
1436B	Prime Square constructive algorithms, math	900	x20659
1436A	Reorder math	800	x22725
1433C	Dominant Piranha constructive algorithms, greedy	900	x27068
1433B	Yet Another Bookshelf greedy, implementation	800	x28470
1433A	Boring Apartments implementation, math	800	x52944
1431A	Selling Hamburgers *special problem	800	x1907
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x24677
1430B	Barrels greedy, implementation, sortings	800	x19408
1430A	Number of Apartments brute force, constructive algorithms, math	900	x20930
1428A	Box is Pull math	800	x16343
1427A	Avoiding Zero math, sortings	900	x17259
1426B	Symmetric Matrix implementation	900	x20693
1426A	Floor Number implementation, math	800	x48438
1422A	Fence geometry, math	800	x21003
1421A	XORwice bitmasks, greedy, math	800	x29307
1420A	Cubes Sorting math, sortings	900	x23502
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x24466
1419A	Digit Game games, greedy, implementation	900	x19599
1418A	Buying Torches math	1000	x23377
1417A	Copy-paste greedy, math	800	x18276
1415A	Prison Break brute force, math	800	x15201
1413A	Finding Sasuke constructive algorithms, math	800	x14816
1411B	Fair Numbers brute force, number theory	1000	x19708
1411A	In-game Chat implementation	800	x20675
1409A	Yet Another Two Integers Problem greedy, math	800	x66985
1408A	Circle Coloring constructive algorithms	800	x12509
1406A	Subset Mex greedy, implementation, math	900	x21541
1405B	Array Cancellation constructive algorithms, implementation	1000	x21638
1405A	Permutation Forgery constructive algorithms	800	x21478
1401A	Distance and Axis constructive algorithms, math	900	x27554
1400A	String Similarity constructive algorithms, strings	800	x27059
1399B	Gifts Fixing greedy	800	x43692
1399A	Remove Smallest greedy, sortings	800	x67209
1398B	Substring Removal Game games, greedy, sortings	800	x24711
1398A	Bad Triangle geometry, math	800	x27689
1397A	Juggling Letters greedy, strings	800	x28695
1395A	Boboniu Likes to Color Balls brute force, math	1000	x24186
1393A	Rainbow Dash, Fluttershy and Chess Coloring greedy, math	800	x20536
1392B	Omkar and Infinity Clock implementation, math	800	x18495
1392A	Omkar and Password greedy, math	800	x20777
1391B	Fix You brute force, greedy, implementation	800	x27404
1391A	Suborrays constructive algorithms, math	800	x24413
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x41772
1388B	Captain Flint and a Long Voyage greedy, math	1000	x22312
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x24966
1385B	Restore the Permutation by Merger greedy	800	x37267
1385A	Three Pairwise Maximums math	800	x39392
1382A	Common Subsequence brute force	800	x26566
1380A	Three Indices brute force, data structures	900	x26196
1374C	Move Brackets greedy, strings	1000	x47494
1374B	Multiply by 2, divide by 6 math	900	x51167