Problemset - Codeforces

Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

→ Pay attention

Before contest
CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

greedy

Add tag

Problems

#	Name
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x2600
2038K	Grid Walk brute force, dp, greedy, math, number theory	2100	x719
2038J	Waiting for... greedy, implementation	800	x3839
2038E	Barrels data structures, greedy, math	2900	x70
2038C	DIY data structures, geometry, greedy, sortings	1400	x2385
2038B	Make It Equal binary search, brute force, greedy, math	2100	x878
2038A	Bonus Project games, greedy	1400	x2080
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x3851
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x7731
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x14043
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x6300
2036B	Startup greedy, sortings	800	x22612
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1488
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x4372
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x14431
2033G	Sakurako and Chefir data structures, dfs and similar, dp, greedy, trees	2200	x1247
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x9795
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x12884
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x12492
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x22763
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x924
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x4464
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x15327
2032A	Circuit greedy, implementation, math, number theory	800	x20017
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x1482
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, two pointers	1700	x4977
2031B	Penchick and Satay Sticks brute force, greedy, sortings	900	x12827
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x14011
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x147
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x672
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1310
2030C	A TRUE Battle brute force, games, greedy	1100	x15616
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x23269
2029I	Variance Challenge flows, graphs, greedy	3400	x24
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x603
2029D	Cool Graph constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees	1900	x2572
2029C	New Rating binary search, data structures, dp, greedy	1700	x4699
2029A	Set greedy, math	800	x10743
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1070
2028D	Alice's Adventures in Cards constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search	2000	x2234
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x5667
2027D2	The Endspeaker (Hard Version) binary search, data structures, dp, greedy, implementation, two pointers	2200	x1281
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x4628
2027C	Add Zeros brute force, data structures, dfs and similar, dp, graphs, greedy	1500	x8756
2027B	Stalin Sort brute force, greedy	1100	x13445
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x8506
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x11612
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x15750
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x679
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1744
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14403
2025A	Two Screens binary search, greedy, strings, two pointers	800	x23362
2024A	Profitable Interest Rate greedy, math	800	x18694
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x58
2023E	Tree of Life dp, greedy, trees	3300	x87
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x399
2023C	C+K+S constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings	2400	x943
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x11869
2022B	Kar Salesman binary search, greedy, math	1300	x9862
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x13677
2021E3	Digital Village (Extreme Version) data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees	2800	x425
2021E1	Digital Village (Easy Version) brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees	2300	x1477
2021D	Boss, Thirsty dp, greedy, implementation	2500	x674
2021C2	Adjust The Presentation (Hard Version) constructive algorithms, data structures, greedy, implementation, sortings	1900	x3544
2021C1	Adjust The Presentation (Easy Version) constructive algorithms, greedy	1300	x11367
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x14234
2021A	Meaning Mean data structures, greedy, math, sortings	800	x18525
2020A	Find Minimum Operations bitmasks, brute force, greedy, math, number theory	800	x21800
2019A	Max Plus Size brute force, dp, greedy	800	x22784
2018F3	Speedbreaker Counting (Hard Version) dp, greedy, math	3100	x174
2018F2	Speedbreaker Counting (Medium Version) dp, greedy, math	3000	x167
2018F1	Speedbreaker Counting (Easy Version) combinatorics, dp, greedy, math	2900	x208
2018E2	Complex Segments (Hard Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3400	x111
2018E1	Complex Segments (Easy Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3300	x147
2018D	Max Plus Min Plus Size data structures, dp, dsu, greedy, implementation, matrices, sortings	2200	x1585
2018C	Tree Pruning brute force, dfs and similar, greedy, sortings, trees	1700	x6136
2018B	Speedbreaker binary search, data structures, dp, greedy, implementation, two pointers	1900	x3925
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10112
2014H	Robin Hood Archery data structures, divide and conquer, greedy, hashing	1900	x3478
2014G	Milky Days brute force, data structures, greedy, implementation	2200	x1270
2014F	Sheriff's Defense dfs and similar, dp, greedy, trees	2000	x3547
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x12046
2014C	Robin Hood in Town binary search, greedy, math	1100	x21476
2014A	Robin Helps greedy, implementation	800	x36895
2013F1	Game in Tree (Easy Version) binary search, brute force, data structures, dp, games, greedy, implementation, trees	2700	x473
2013E	Prefix GCD brute force, dp, greedy, math, number theory	2200	x3183
2013D	Minimize the Difference binary search, greedy	1900	x6002
2013B	Battle for Survive constructive algorithms, greedy, math	900	x22893
2011H	Strange Matrix *special problem, graphs, greedy		x45
2011F	Good Subarray *special problem, data structures, greedy		x115
2011E	Rock-Paper-Scissors Bot *special problem, greedy, strings		x160
2008H	Sakurako's Test binary search, brute force, greedy, math, number theory	2100	x2903
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x5142
2008E	Alternating String brute force, data structures, dp, greedy, implementation, strings	1500	x9963
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x35125
2007B	Index and Maximum Value data structures, greedy	900	x21141
2007A	Dora's Set greedy, math, number theory	800	x22609
2006D	Iris and Adjacent Products data structures, greedy, implementation, math	2600	x673
2006A	Iris and Game on the Tree constructive algorithms, dfs and similar, games, graphs, greedy, trees	1700	x6748
2005E2	Subtangle Game (Hard Version) data structures, dp, games, greedy, implementation	2500	x796

←