Problemset - Codeforces

Problems

#	Name
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x18515
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x136
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x185
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x894
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1523
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x7030
2030C	A TRUE Battle brute force, games, greedy	1100	x17637
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x21589
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x25257
2029I	Variance Challenge flows, graphs, greedy	3400	x92
2029H	Message Spread bitmasks, brute force, combinatorics, dp	3500	x77
2029G	Balanced Problem data structures, dp	3000	x171
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x735
2029E	Common Generator brute force, constructive algorithms, math, number theory	2100	x2876
2029D	Cool Graph constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees	1900	x3129
2029C	New Rating binary search, data structures, dp, greedy	1700	x5959
2029B	Replacement constructive algorithms, games, strings	1100	x9927
2029A	Set greedy, math	800	x12448
2028F	Alice's Adventures in Addition bitmasks, brute force, dp, implementation	2700	x408
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1499
2028D	Alice's Adventures in Cards constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search	2000	x2973
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x7846
2028B	Alice's Adventures in Permuting binary search, implementation, math	1400	x10970
2028A	Alice's Adventures in ''Chess'' brute force, implementation, math	900	x16982
2027E2	Bit Game (Hard Version) bitmasks, dp, math	3100	x71
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x172
2027D2	The Endspeaker (Hard Version) binary search, data structures, dp, greedy, implementation, two pointers	2200	x1530
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x5540
2027C	Add Zeros brute force, data structures, dfs and similar, dp, graphs, greedy	1500	x10830
2027B	Stalin Sort brute force, greedy	1100	x15501
2027A	Rectangle Arrangement geometry, implementation, math	800	x20275
2026F	Bermart Ice Cream data structures, dfs and similar, divide and conquer, dp, implementation, trees	2700	x263
2026E	Best Subsequence bitmasks, dfs and similar, flows, graph matchings, graphs	2500	x1406
2026D	Sums of Segments binary search, data structures, dp, implementation, math	1900	x4625
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x10307
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x13795
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x17744
2025G	Variable Damage data structures, flows	3000	x175
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x815
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1966
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x6552
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x16032
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x17561
2025A	Two Screens binary search, greedy, strings, two pointers	800	x25213
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x14736
2024A	Profitable Interest Rate greedy, math	800	x20683
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x70
2023E	Tree of Life dp, greedy, trees	3300	x112
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x465
2023C	C+K+S constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings	2400	x1113
2023B	Skipping binary search, dp, graphs, shortest paths	1700	x5670
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x13817
2022E2	Billetes MX (Hard Version) binary search, combinatorics, data structures, dsu, graphs	2600	x464
2022E1	Billetes MX (Easy Version) 2-sat, binary search, combinatorics, constructive algorithms, dfs and similar, dsu, graphs	2500	x505
2022D2	Asesino (Hard Version) constructive algorithms, dp, interactive	2700	x619
2022D1	Asesino (Easy Version) binary search, brute force, constructive algorithms, implementation, interactive	1900	x3196
2022C	Gerrymandering dp, implementation	1800	x4560
2022B	Kar Salesman binary search, greedy, math	1300	x11675
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x15212
2021E3	Digital Village (Extreme Version) data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees	2800	x504
2021E2	Digital Village (Hard Version) data structures, dp, dsu, graphs, math, trees	2500	x932
2021E1	Digital Village (Easy Version) brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees	2300	x1603
2021D	Boss, Thirsty dp, greedy, implementation	2500	x785
2021C2	Adjust The Presentation (Hard Version) constructive algorithms, data structures, greedy, implementation, sortings	1900	x3909
2021C1	Adjust The Presentation (Easy Version) constructive algorithms, greedy	1300	x12395
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x16047
2021A	Meaning Mean data structures, greedy, math, sortings	800	x19707
2020F	Count Leaves dp, math, number theory	2900	x222
2020E	Expected Power bitmasks, dp, math, probabilities	2000	x3229
2020D	Connect the Dots brute force, dp, dsu, graphs, math, trees	1800	x6111
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x15599
2020B	Brightness Begins binary search, math	1200	x18018
2020A	Find Minimum Operations bitmasks, brute force, greedy, math, number theory	800	x23190
2019B	All Pairs Segments implementation, math	1200	x15069
2019A	Max Plus Size brute force, dp, greedy	800	x24368
2018F3	Speedbreaker Counting (Hard Version) dp, greedy, math	3100	x221
2018F2	Speedbreaker Counting (Medium Version) dp, greedy, math	3000	x205
2018F1	Speedbreaker Counting (Easy Version) combinatorics, dp, greedy, math	2900	x243
2018E2	Complex Segments (Hard Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3400	x162
2018E1	Complex Segments (Easy Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3300	x183
2018D	Max Plus Min Plus Size data structures, dp, dsu, greedy, implementation, matrices, sortings	2200	x1769
2018C	Tree Pruning brute force, dfs and similar, greedy, sortings, trees	1700	x6829
2018B	Speedbreaker binary search, data structures, dp, greedy, implementation, two pointers	1900	x4345
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10947
2014H	Robin Hood Archery data structures, divide and conquer, greedy, hashing	1900	x4028
2014G	Milky Days brute force, data structures, greedy, implementation	2200	x1408
2014F	Sheriff's Defense dfs and similar, dp, greedy, trees	2000	x3955
2014E	Rendez-vous de Marian et Robin dfs and similar, graphs, shortest paths	1800	x6180
2014D	Robert Hood and Mrs Hood brute force, data structures, greedy, sortings	1400	x13163
2014C	Robin Hood in Town binary search, greedy, math	1100	x23293
2014B	Robin Hood and the Major Oak math	800	x29987
2014A	Robin Helps greedy, implementation	800	x39794
2013F2	Game in Tree (Hard Version) binary search, data structures, trees	3500	x117
2013F1	Game in Tree (Easy Version) binary search, brute force, data structures, dp, games, greedy, implementation, trees	2700	x524
2013E	Prefix GCD brute force, dp, greedy, math, number theory	2200	x3492
2013D	Minimize the Difference binary search, greedy	1900	x6432
2013C	Password Cracking constructive algorithms, interactive, strings	1400	x12445
2013B	Battle for Survive constructive algorithms, greedy, math	900	x24767
2013A	Zhan's Blender constructive algorithms, math	800	x28732
2011I	Stack and Queue *special problem, data structures, divide and conquer		x16