Problemset - Codeforces

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Codeforces Round (Div. 2)
6 days

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Problems

#	Name
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x2138
2037E	Kachina's Favorite Binary String dp, greedy, interactive, two pointers	1600	x5648
2037D	Sharky Surfing data structures, greedy, two pointers	1300	x11467
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x20124
2037B	Intercepted Inputs brute force, implementation	800	x22024
2037A	Twice implementation	800	x29225
2036G	Library of Magic binary search, constructive algorithms, divide and conquer, interactive, math, number theory	2200	x1292
2036F	XORificator 3000 bitmasks, dp, number theory, two pointers	1900	x3821
2036E	Reverse the Rivers binary search, constructive algorithms, data structures, greedy	1600	x7516
2036D	I Love 1543 brute force, implementation, matrices	1300	x13046
2036C	Anya and 1100 brute force, implementation	1100	x18551
2036B	Startup greedy, sortings	800	x25552
2036A	Quintomania implementation	800	x34136
2035H	Peak Productivity Forces constructive algorithms	3500	x66
2035G2	Go Learn! (Hard Version) divide and conquer, dp	3500	x87
2035G1	Go Learn! (Easy Version) dp, trees	3300	x146
2035F	Tree Operations binary search, brute force, dfs and similar, dp, trees	2500	x884
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1683
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x4908
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x9115
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x16892
2035A	Sliding implementation, math	800	x16271
2034H	Rayan vs. Rayaneh brute force, dfs and similar, dp, number theory	3300	x102
2034G2	Simurgh's Watch (Hard Version) greedy, implementation	3500	x37
2034G1	Simurgh's Watch (Easy Version) constructive algorithms, greedy, implementation, sortings	3500	x44
2034F2	Khayyam's Royal Decree (Hard Version) combinatorics, dp, math, sortings	2800	x382
2034F1	Khayyam's Royal Decree (Easy Version) combinatorics, dp, math, sortings	2500	x650
2034E	Permutations Harmony combinatorics, constructive algorithms, greedy, hashing, math	2200	x1584
2034D	Darius' Wisdom constructive algorithms, greedy, implementation, sortings	1600	x4948
2034C	Trapped in the Witch's Labyrinth constructive algorithms, dfs and similar, graphs, implementation	1400	x6678
2034B	Rakhsh's Revival data structures, greedy, implementation, two pointers	1000	x12210
2034A	King Keykhosrow's Mystery brute force, chinese remainder theorem, math, number theory	800	x15614
2033G	Sakurako and Chefir data structures, dfs and similar, dp, greedy, trees	2200	x1446
2033F	Kosuke's Sloth brute force, math, number theory	1800	x5719
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x11048
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x14461
2033C	Sakurako's Field Trip dp, greedy, two pointers	1400	x14078
2033B	Sakurako and Water brute force, constructive algorithms, greedy	900	x24722
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x35387
2032F	Peanuts combinatorics, dp, games, math	2700	x329
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x1124
2032D	Genokraken constructive algorithms, data structures, graphs, greedy, implementation, interactive, trees, two pointers	1800	x5069
2032C	Trinity binary search, math, sortings, two pointers	1400	x12879
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x17414
2032A	Circuit greedy, implementation, math, number theory	800	x22056
2031F	Penchick and Even Medians binary search, constructive algorithms, interactive, probabilities	2800	x333
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x2132
2031D	Penchick and Desert Rabbit binary search, data structures, dfs and similar, dp, dsu, greedy, implementation, two pointers	1700	x7131
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x12349
2031B	Penchick and Satay Sticks brute force, greedy, sortings	900	x16910
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x17993
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x127
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x175
2030F	Orangutan Approved Subarrays binary search, data structures, dp, greedy, implementation, two pointers	2400	x838
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1476
2030D	QED's Favorite Permutation data structures, implementation, sortings	1700	x6792
2030C	A TRUE Battle brute force, games, greedy	1100	x17184
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x21201
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x24809
2029I	Variance Challenge flows, graphs, greedy	3400	x43
2029H	Message Spread bitmasks, brute force, combinatorics, dp	3500	x67
2029G	Balanced Problem data structures, dp	3000	x163
2029F	Palindrome Everywhere constructive algorithms, graphs, greedy	2500	x712
2029E	Common Generator brute force, constructive algorithms, math, number theory	2100	x2746
2029D	Cool Graph constructive algorithms, data structures, dfs and similar, dsu, graphs, greedy, trees	1900	x3022
2029C	New Rating binary search, data structures, dp, greedy	1700	x5723
2029B	Replacement constructive algorithms, games, strings	1100	x9604
2029A	Set greedy, math	800	x12170
2028F	Alice's Adventures in Addition bitmasks, brute force, dp, implementation	2700	x393
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1444
2028D	Alice's Adventures in Cards constructive algorithms, data structures, dp, graphs, greedy, implementation, ternary search	2000	x2860
2028C	Alice's Adventures in Cutting Cake binary search, dp, greedy, two pointers	1600	x7522
2028B	Alice's Adventures in Permuting binary search, implementation, math	1400	x10477
2028A	Alice's Adventures in ''Chess'' brute force, implementation, math	900	x16371
2027E2	Bit Game (Hard Version) bitmasks, dp, math	3100	x67
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x163
2027D2	The Endspeaker (Hard Version) binary search, data structures, dp, greedy, implementation, two pointers	2200	x1476
2027D1	The Endspeaker (Easy Version) binary search, dp, graphs, greedy, implementation, two pointers	1700	x5354
2027C	Add Zeros brute force, data structures, dfs and similar, dp, graphs, greedy	1500	x10372
2027B	Stalin Sort brute force, greedy	1100	x15058
2027A	Rectangle Arrangement geometry, implementation, math	800	x19904
2026F	Bermart Ice Cream data structures, dfs and similar, divide and conquer, dp, implementation, trees	2700	x245
2026E	Best Subsequence bitmasks, dfs and similar, flows, graph matchings, graphs	2500	x1342
2026D	Sums of Segments binary search, data structures, dp, implementation, math	1900	x4494
2026C	Action Figures binary search, brute force, constructive algorithms, data structures, greedy, implementation	1500	x9916
2026B	Black Cells binary search, brute force, constructive algorithms, greedy	1300	x13313
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x17347
2025G	Variable Damage data structures, flows	3000	x162
2025F	Choose Your Queries constructive algorithms, dfs and similar, dp, graphs, greedy, trees	2700	x776
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1919
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x6351
2025C	New Game binary search, brute force, greedy, implementation, sortings, two pointers	1300	x15562
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x17232
2025A	Two Screens binary search, greedy, strings, two pointers	800	x24737
2024B	Buying Lemonade binary search, constructive algorithms, sortings	1100	x14329
2024A	Profitable Interest Rate greedy, math	800	x20227
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x67
2023E	Tree of Life dp, greedy, trees	3300	x106
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x453
2023C	C+K+S constructive algorithms, dfs and similar, graphs, greedy, hashing, implementation, strings	2400	x1068