Problemset - Codeforces

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Codeforces Round 995 (Div. 3)
22:52:49
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Problems

#	Name
2027A	Rectangle Arrangement geometry, implementation, math	800	x19259
2026F	Bermart Ice Cream data structures, dfs and similar, divide and conquer, dp, implementation, trees	2700	x203
2026E	Best Subsequence bitmasks, dfs and similar, flows, graph matchings, graphs	2500	x1247
2026D	Sums of Segments binary search, data structures, dp, implementation, math	1900	x4243
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x9217
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x12483
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x16569
2025G	Variable Damage data structures, flows	3000	x141
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x735
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1838
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x6119
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x14932
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x16805
2025A	Two Screens binary search, greedy, strings, two pointers	800	x24061
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x13660
2024A	Profitable Interest Rate greedy, math	800	x19507
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x64
2023E	Tree of Life dp, greedy, trees	3300	x97
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x434
2023C	C+K+S constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings	2400	x1003
2023B	Skipping binary search, dp, graphs, shortest paths	1700	x5190
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x12606
2022E2	Billetes MX (Hard Version) binary search, combinatorics, data structures, dsu, graphs	2600	x411
2022E1	Billetes MX (Easy Version) 2-sat, binary search, combinatorics, constructive algorithms, dfs and similar, dsu, graphs	2500	x448
2022D2	Asesino (Hard Version) constructive algorithms, dp, interactive	2700	x561
2022D1	Asesino (Easy Version) binary search, brute force, constructive algorithms, implementation, interactive	1900	x2967
2022C	Gerrymandering dp, implementation	1800	x4102
2022B	Kar Salesman binary search, greedy, math	1300	x10472
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x14235
2021E3	Digital Village (Extreme Version) data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees	2800	x461
2021E2	Digital Village (Hard Version) data structures, dp, dsu, graphs, math, trees	2500	x859
2021E1	Digital Village (Easy Version) brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees	2300	x1521
2021D	Boss, Thirsty dp, greedy, implementation	2500	x716
2021C2	Adjust The Presentation (Hard Version) constructive algorithms, data structures, greedy, implementation, sortings	1900	x3663
2021C1	Adjust The Presentation (Easy Version) constructive algorithms, greedy	1300	x11687
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x14850
2021A	Meaning Mean data structures, greedy, math, sortings	800	x18947
2020F	Count Leaves dp, math, number theory	2900	x199
2020E	Expected Power bitmasks, dp, math, probabilities	2000	x3086
2020D	Connect the Dots brute force, dp, dsu, graphs, math, trees	1800	x5799
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x14720
2020B	Brightness Begins binary search, math	1200	x16878
2020A	Find Minimum Operations bitmasks, brute force, greedy, math, number theory	800	x22322
2019B	All Pairs Segments implementation, math	1200	x14223
2019A	Max Plus Size brute force, dp, greedy	800	x23334
2018F3	Speedbreaker Counting (Hard Version) dp, greedy, math	3100	x187
2018F2	Speedbreaker Counting (Medium Version) dp, greedy, math	3000	x178
2018F1	Speedbreaker Counting (Easy Version) combinatorics, dp, greedy, math	2900	x219
2018E2	Complex Segments (Hard Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3400	x115
2018E1	Complex Segments (Easy Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3300	x156
2018D	Max Plus Min Plus Size data structures, dp, dsu, greedy, implementation, matrices, sortings	2200	x1645
2018C	Tree Pruning brute force, dfs and similar, greedy, sortings, trees	1700	x6321
2018B	Speedbreaker binary search, data structures, dp, greedy, implementation, two pointers	1900	x4081
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10392
2014H	Robin Hood Archery data structures, divide and conquer, greedy, hashing	1900	x3644
2014G	Milky Days brute force, data structures, greedy, implementation	2200	x1324
2014F	Sheriff's Defense dfs and similar, dp, greedy, trees	2000	x3694
2014E	Rendez-vous de Marian et Robin dfs and similar, graphs, shortest paths	1800	x5756
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x12393
2014C	Robin Hood in Town binary search, greedy, math	1100	x22075
2014B	Robin Hood and the Major Oak math	800	x28821
2014A	Robin Helps greedy, implementation	800	x38015
2013F2	Game in Tree (Hard Version) binary search, data structures, trees	3500	x106
2013F1	Game in Tree (Easy Version) binary search, brute force, data structures, dp, games, greedy, implementation, trees	2700	x490
2013E	Prefix GCD brute force, dp, greedy, math, number theory	2200	x3288
2013D	Minimize the Difference binary search, greedy	1900	x6179
2013C	Password Cracking constructive algorithms, interactive, strings	1400	x11871
2013B	Battle for Survive constructive algorithms, greedy, math	900	x23573
2013A	Zhan's Blender constructive algorithms, math	800	x27734
2011I	Stack and Queue *special problem, data structures, divide and conquer		x15
2011H	Strange Matrix *special problem, graphs, greedy		x47
2011G	Removal of a Permutation *special problem		x39
2011F	Good Subarray *special problem, data structures, greedy		x116
2011E	Rock-Paper-Scissors Bot *special problem, greedy, strings		x162
2011D	Among Wolves *special problem		x261
2011C	Split the Expression *special problem		x346
2011B	Shuffle *special problem		x626
2011A	Problem Solving *special problem		x1021
2010C2	Message Transmission Error (hard version) hashing, string suffix structures, strings, two pointers	1700	x3302
2010C1	Message Transmission Error (easy version) brute force, strings	1400	x7205
2010B	Three Brothers brute force, implementation, math	800	x20444
2010A	Alternating Sum of Numbers brute force, implementation, math	800	x17272
2009G3	Yunli's Subarray Queries (extreme version) data structures, dp, implementation	2700	x355
2009G2	Yunli's Subarray Queries (hard version) binary search, data structures, dp	2200	x1272
2009G1	Yunli's Subarray Queries (easy version) binary search, data structures, two pointers	1900	x3923
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x6756
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x13811
2009D	Satyam and Counting geometry, math	1400	x14978
2009C	The Legend of Freya the Frog implementation, math	1100	x27056
2009B	osu!mania brute force, implementation	800	x43561
2009A	Minimize! brute force, math	800	x54010
2008H	Sakurako's Test binary search, brute force, greedy, math, number theory	2100	x2960
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x5279
2008F	Sakurako's Box combinatorics, math, number theory	1400	x12837
2008E	Alternating String brute force, data structures, dp, greedy, implementation, strings	1500	x10297
2008D	Sakurako's Hobby dp, dsu, graphs, math	1100	x19629
2008C	Longest Good Array binary search, brute force, math	800	x31046
2008B	Square or Not brute force, math, strings	800	x29097
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x35838
2007C	Dora and C++ math, number theory	1500	x12543