Problemset - Codeforces

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Problems

#	Name
2038L	Bridge Renovation brute force, dp, greedy, math, two pointers	1400	x2749
2038K	Grid Walk brute force, dp, greedy, math, number theory	2100	x775
2038F	Alternative Platforms combinatorics, data structures, fft, math, sortings	2500	x283
2038E	Barrels data structures, greedy, math	2900	x77
2038B	Make It Equal binary search, brute force, greedy, math	2100	x936
2037G	Natlan Exploring bitmasks, combinatorics, data structures, dp, math, number theory	2000	x1786
2037F	Ardent Flames binary search, data structures, math, sortings, two pointers	2100	x1393
2037C	Superultra's Favorite Permutation constructive algorithms, greedy, math, number theory	1000	x14326
2036G	Library of Magic binary search, constructive algorithms, divide and conquer, interactive, math, number theory	2200	x1052
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1498
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x4382
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x7899
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x14476
2035A	Sliding implementation, math	800	x14710
2033F	Kosuke's Sloth brute force, math, number theory	1800	x5180
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x9809
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x12908
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x32666
2032F	Peanuts combinatorics, dp, games, math	2700	x258
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math	2400	x933
2032C	Trinity binary search, math, sortings, two pointers	1400	x10963
2032B	Medians constructive algorithms, greedy, implementation, math	1100	x15363
2032A	Circuit greedy, implementation, math, number theory	800	x20051
2031E	Penchick and Chloe's Trees data structures, dfs and similar, dp, greedy, implementation, math, sortings, trees	2100	x1527
2031C	Penchick and BBQ Buns constructive algorithms, math, number theory	1300	x8877
2031A	Penchick and Modern Monument constructive algorithms, dp, greedy, math	800	x14174
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x109
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x147
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1312
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x19948
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x23287
2029E	Common Generator brute force, constructive algorithms, math, number theory	2100	x2344
2029A	Set greedy, math	800	x10775
2028E	Alice's Adventures in the Rabbit Hole combinatorics, dfs and similar, dp, games, greedy, math, probabilities, trees	2300	x1079
2028B	Alice's Adventures in Permuting binary search, implementation, math	1400	x8296
2028A	Alice's Adventures in ''Chess'' brute force, implementation, math	900	x13522
2027E2	Bit Game (Hard Version) bitmasks, dp, math	3100	x48
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x126
2027A	Rectangle Arrangement geometry, implementation, math	800	x18373
2026D	Sums of Segments binary search, data structures, dp, implementation, math	1900	x3931
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math	900	x15782
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1747
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x5866
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x16381
2024A	Profitable Interest Rate greedy, math	800	x18717
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x58
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x401
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x11891
2022B	Kar Salesman binary search, greedy, math	1300	x9880
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x13683
2021E3	Digital Village (Extreme Version) data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees	2800	x426
2021E2	Digital Village (Hard Version) data structures, dp, dsu, graphs, math, trees	2500	x817
2021E1	Digital Village (Easy Version) brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees	2300	x1479
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x14248
2021A	Meaning Mean data structures, greedy, math, sortings	800	x18532
2020F	Count Leaves dp, math, number theory	2900	x194
2020E	Expected Power bitmasks, dp, math, probabilities	2000	x2983
2020D	Connect the Dots brute force, dp, dsu, graphs, math, trees	1800	x5660
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x14373
2020B	Brightness Begins binary search, math	1200	x16318
2020A	Find Minimum Operations bitmasks, brute force, greedy, math, number theory	800	x21811
2019B	All Pairs Segments implementation, math	1200	x13801
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	x148
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x10116
2014C	Robin Hood in Town binary search, greedy, math	1100	x21490
2014B	Robin Hood and the Major Oak math	800	x28168
2013E	Prefix GCD brute force, dp, greedy, math, number theory	2200	x3187
2013B	Battle for Survive constructive algorithms, greedy, math	900	x22909
2013A	Zhan's Blender constructive algorithms, math	800	x27063
2010B	Three Brothers brute force, implementation, math	800	x19770
2010A	Alternating Sum of Numbers brute force, implementation, math	800	x16743
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x6507
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x13177
2009D	Satyam and Counting geometry, math	1400	x14296
2009C	The Legend of Freya the Frog implementation, math	1100	x25733
2009A	Minimize! brute force, math	800	x50971
2008H	Sakurako's Test binary search, brute force, greedy, math, number theory	2100	x2907
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x5148
2008F	Sakurako's Box combinatorics, math, number theory	1400	x12487
2008D	Sakurako's Hobby dp, dsu, graphs, math	1100	x19105
2008C	Longest Good Array binary search, brute force, math	800	x30266
2008B	Square or Not brute force, math, strings	800	x28459
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x35140
2007C	Dora and C++ math, number theory	1500	x12213
2007A	Dora's Set greedy, math, number theory	800	x22617
2006D	Iris and Adjacent Products data structures, greedy, implementation, math	2600	x673
2006C	Eri and Expanded Sets data structures, divide and conquer, math, number theory, two pointers	2300	x1637
2006B	Iris and the Tree brute force, data structures, dfs and similar, dsu, math, trees	1800	x3325
2005B2	The Strict Teacher (Hard Version) binary search, greedy, math, sortings	1200	x17214
2005B1	The Strict Teacher (Easy Version) greedy, math, sortings	1000	x19911
2005A	Simple Palindrome combinatorics, constructive algorithms, greedy, math	900	x21626
2004F	Make a Palindrome binary search, brute force, data structures, greedy, math	2600	x1175
2004E	Not a Nim Problem brute force, games, math, number theory	2100	x4053
2004A	Closest Point implementation, math	800	x30259
2003F	Turtle and Three Sequences brute force, data structures, dp, greedy, math, probabilities, two pointers	2800	x481
2003E2	Turtle and Inversions (Hard Version) brute force, data structures, divide and conquer, dp, greedy, math, two pointers	2700	x520

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