Problemset - Codeforces

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Refact.ai Match 1 (Codeforces Round 985)
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Problems

#	Name
2035E	Monster binary search, brute force, constructive algorithms, greedy, implementation, math, ternary search	2300	x1270
2035D	Yet Another Real Number Problem binary search, data structures, divide and conquer, greedy, implementation, math	1800	x3858
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x7053
2035B	Everyone Loves Tres constructive algorithms, greedy, math, number theory	900	x12563
2035A	Sliding implementation, math	800	x13287
2033F	Kosuke's Sloth brute force, math, number theory	1800	x4739
2033E	Sakurako, Kosuke, and the Permutation brute force, data structures, dfs and similar, dsu, graphs, greedy, math	1400	x9104
2033D	Kousuke's Assignment data structures, dp, dsu, greedy, math	1300	x12065
2033A	Sakurako and Kosuke constructive algorithms, implementation, math	800	x30889
2032F	Peanuts combinatorics, dp, games, math		x141
2032E	Balanced constructive algorithms, data structures, greedy, implementation, math		x601
2032C	Trinity binary search, math, sortings, two pointers		x9486
2032B	Medians constructive algorithms, greedy, implementation, math		x13649
2032A	Circuit greedy, implementation, math, number theory		x17970
2030G2	The Destruction of the Universe (Hard Version) combinatorics, math	3100	x96
2030G1	The Destruction of the Universe (Easy Version) combinatorics, greedy, math	2900	x134
2030E	MEXimize the Score combinatorics, data structures, dp, greedy, implementation, math	2200	x1169
2030B	Minimise Oneness combinatorics, constructive algorithms, games, math	800	x19275
2030A	A Gift From Orangutan constructive algorithms, greedy, math, sortings	800	x22514
2027E2	Bit Game (Hard Version) bitmasks, dp, math	3100	x37
2027E1	Bit Game (Easy Version) bitmasks, brute force, games, math	2800	x104
2027A	Rectangle Arrangement geometry, implementation, math	800	x17097
2026D	Sums of Segments binary search, data structures, dp, implementation, math		x3717
2026A	Perpendicular Segments constructive algorithms, geometry, greedy, math		x15260
2025E	Card Game combinatorics, dp, fft, greedy, math	2200	x1626
2025D	Attribute Checks brute force, data structures, dp, implementation, math, two pointers	1800	x5588
2025B	Binomial Coefficients, Kind Of combinatorics, dp, math	1100	x16053
2024A	Profitable Interest Rate greedy, math	800	x17931
2023F	Hills and Pits data structures, greedy, math, matrices	3500	x46
2023D	Many Games brute force, dp, greedy, math, probabilities	2900	x325
2023A	Concatenation of Arrays constructive algorithms, greedy, math, sortings	1300	x11216
2022B	Kar Salesman binary search, greedy, math	1300	x9382
2022A	Bus to Pénjamo constructive algorithms, greedy, implementation, math	800	x13171
2021E3	Digital Village (Extreme Version) data structures, dfs and similar, dp, dsu, graphs, greedy, math, trees	2800	x393
2021E2	Digital Village (Hard Version) data structures, dp, dsu, graphs, math, trees	2500	x759
2021E1	Digital Village (Easy Version) brute force, data structures, dfs and similar, dp, dsu, fft, graphs, greedy, implementation, math, trees	2300	x1410
2021B	Maximize Mex brute force, greedy, math, number theory	1200	x13824
2021A	Meaning Mean data structures, greedy, math, sortings	800	x18223
2020F	Count Leaves dp, math, number theory	2900	x186
2020E	Expected Power bitmasks, dp, math, probabilities	2000	x2875
2020D	Connect the Dots brute force, dp, dsu, graphs, math, trees	1800	x5495
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x12094
2020B	Brightness Begins binary search, math	1200	x15916
2020A	Find Minimum Operations bitmasks, brute force, greedy, math, number theory	800	x21465
2019B	All Pairs Segments implementation, math	1200	x13535
2018F3	Speedbreaker Counting (Hard Version) dp, greedy, math	3100	x165
2018F2	Speedbreaker Counting (Medium Version) dp, greedy, math	3000	x163
2018F1	Speedbreaker Counting (Easy Version) combinatorics, dp, greedy, math	2900	x202
2018E2	Complex Segments (Hard Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3400	x109
2018E1	Complex Segments (Easy Version) binary search, data structures, divide and conquer, dsu, greedy, math, sortings	3300	x143
2018A	Cards Partition 2-sat, brute force, greedy, implementation, math	1600	x9896
2014C	Robin Hood in Town binary search, greedy, math	1100	x21054
2014B	Robin Hood and the Major Oak math	800	x27728
2013E	Prefix GCD brute force, dp, greedy, math, number theory	2200	x3094
2013B	Battle for Survive constructive algorithms, greedy, math	900	x22525
2013A	Zhan's Blender constructive algorithms, math	800	x26680
2010B	Three Brothers brute force, implementation, math	800	x19331
2010A	Alternating Sum of Numbers brute force, implementation, math	800	x16371
2009F	Firefly's Queries bitmasks, data structures, flows, math	1700	x6333
2009E	Klee's SUPER DUPER LARGE Array!!! binary search, math, ternary search	1400	x12873
2009D	Satyam and Counting geometry, math	1400	x13976
2009C	The Legend of Freya the Frog implementation, math	1100	x25245
2009A	Minimize! brute force, math	800	x49479
2008H	Sakurako's Test binary search, brute force, greedy, math, number theory	2100	x2827
2008G	Sakurako's Task binary search, greedy, math, number theory	1800	x5033
2008F	Sakurako's Box combinatorics, math, number theory	1400	x12314
2008D	Sakurako's Hobby dp, dsu, graphs, math	1100	x18850
2008C	Longest Good Array binary search, brute force, math	800	x29798
2008B	Square or Not brute force, math, strings	800	x28133
2008A	Sakurako's Exam brute force, constructive algorithms, greedy, math	800	x34505
2007C	Dora and C++ math, number theory	1500	x12028
2007A	Dora's Set greedy, math, number theory	800	x22439
2006D	Iris and Adjacent Products data structures, greedy, implementation, math	2600	x663
2006C	Eri and Expanded Sets data structures, divide and conquer, math, number theory, two pointers	2300	x1608
2006B	Iris and the Tree brute force, data structures, dfs and similar, dsu, math, trees	1800	x3242
2005B2	The Strict Teacher (Hard Version) binary search, greedy, math, sortings	1200	x16862
2005B1	The Strict Teacher (Easy Version) greedy, math, sortings	1000	x19534
2005A	Simple Palindrome combinatorics, constructive algorithms, greedy, math	900	x21359
2004F	Make a Palindrome binary search, brute force, data structures, greedy, math	2600	x1148
2004E	Not a Nim Problem brute force, games, math, number theory	2100	x4004
2004A	Closest Point implementation, math	800	x30068
2003F	Turtle and Three Sequences brute force, data structures, dp, greedy, math, probabilities, two pointers	2800	x415
2003E2	Turtle and Inversions (Hard Version) brute force, data structures, divide and conquer, dp, greedy, math, two pointers	2700	x508
2003E1	Turtle and Inversions (Easy Version) brute force, divide and conquer, dp, greedy, math	2600	x713
2003D2	Turtle and a MEX Problem (Hard Version) dfs and similar, dp, graphs, greedy, implementation, math	2100	x3936
2003D1	Turtle and a MEX Problem (Easy Version) greedy, math	1500	x10973
2002F2	Court Blue (Hard Version) brute force, dp, math, number theory	2800	x417
2002F1	Court Blue (Easy Version) brute force, dfs and similar, dp, math, number theory	2600	x808
2002C	Black Circles brute force, geometry, greedy, math	1200	x14899
2002A	Distanced Coloring constructive algorithms, implementation, math	800	x19260
2001E1	Deterministic Heap (Easy Version) combinatorics, dp, math, trees	2400	x1248
2000F	Color Rows and Columns dp, greedy, implementation, math	1900	x5297
2000E	Photoshoot for Gorillas combinatorics, data structures, greedy, math	1400	x13097
2000A	Primary Task implementation, math, strings	800	x36908
1999F	Expected Median combinatorics, math	1500	x10203
1999E	Triple Operations dp, implementation, math	1300	x18377
1999A	A+B Again? implementation, math	800	x53571
1998B	Minimize Equal Sum Subarrays constructive algorithms, math, number theory	1000	x23488
1998A	Find K Distinct Points with Fixed Center constructive algorithms, implementation, math	800	x23772
1997F	Chips on a Line brute force, combinatorics, dp, greedy, math	2700	x881

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