Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
10:15:03
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Problems

#	Name
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x13314
1600J	Robot Factory bitmasks, dfs and similar	1400	x3786
1600F	Party Organization brute force, math, probabilities	2300	x434
1600E	Array Game games, greedy, two pointers	1900	x1931
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x284
1599I	Desert data structures, graphs	2700	x112
1599H	Hidden Fortress interactive, math	2100	x1013
1599G	Shortest path brute force, geometry, math, shortest paths	2700	x357
1599F	Mars hashing	2700	x303
1599E	Two Arrays data structures, matrices	3200	x66
1599D	Bubble Popping	3200	x29
1599C	Bubble Strike combinatorics, math, probabilities, ternary search	2000	x1559
1599B	Restaurant Game	3100	x132
1599A	Weights constructive algorithms, greedy, two pointers	2600	x634
1598G	The Sum of Good Numbers hashing, math, string suffix structures, strings	3200	x324
1598F	RBS binary search, bitmasks, brute force, data structures, dp	2400	x1324
1598E	Staircases brute force, combinatorics, data structures, dfs and similar, dp, implementation, math	2100	x2243
1598D	Training Session combinatorics, data structures, geometry, implementation, math	1700	x8416
1598C	Delete Two Elements data structures, dp, implementation, math, two pointers	1200	x20103
1598B	Groups brute force, implementation	1000	x15794
1598A	Computer Game brute force, dfs and similar, dp, implementation	800	x22812
1594F	Ideal Farm constructive algorithms, math	2400	x1266
1594E2	Rubik's Cube Coloring (hard version) brute force, dp, implementation, math, trees	2300	x1448
1594E1	Rubik's Cube Coloring (easy version) combinatorics, math	1300	x10886
1594D	The Number of Imposters constructive algorithms, dfs and similar, dp, dsu, graphs	1700	x7115
1594C	Make Them Equal brute force, greedy, math, strings	1200	x18018
1594B	Special Numbers bitmasks, math	1100	x18962
1594A	Consecutive Sum Riddle math	800	x23885
1593G	Changing Brackets constructive algorithms, data structures, dp, greedy	2200	x1622
1593F	Red-Black Number dfs and similar, dp, implementation, math, meet-in-the-middle	2100	x2356
1593E	Gardener and Tree brute force, data structures, dfs and similar, greedy, implementation, trees	1600	x11731
1593D2	Half of Same brute force, math, number theory	1900	x4805
1593D1	All are Same math, number theory	1100	x19615
1593C	Save More Mice binary search, greedy, greedy	1000	x24076
1593B	Make it Divisible by 25 dfs and similar, dp, greedy, math, math	900	x25313
1593A	Elections math	800	x35627
1592F2	Alice and Recoloring 2 constructive algorithms, flows, graph matchings, greedy	2800	x663
1592F1	Alice and Recoloring 1 constructive algorithms, greedy	2600	x762
1592E	Bored Bakry bitmasks, greedy, math, two pointers	2400	x1547
1592D	Hemose in ICPC ? binary search, dfs and similar, implementation, interactive, math, number theory, trees	2300	x2166
1592C	Bakry and Partitioning bitmasks, constructive algorithms, dfs and similar, dp, graphs, trees	1700	x7634
1592B	Hemose Shopping constructive algorithms, dsu, math, sortings	1200	x15612
1592A	Gamer Hemose binary search, greedy, math, sortings	800	x21647
1588F	Jumping Through the Array binary search, data structures, graphs, two pointers	3500	x269
1586I	Omkar and Mosaic combinatorics, constructive algorithms, math	3500	x158
1585G	Poachers dp, games, graphs, trees	2500	x171
1585F	Non-equal Neighbours combinatorics, dp, math	2400	x1150
1585E	Frequency Queries data structures, dfs and similar, trees	2400	x1018
1585D	Yet Another Sorting Problem data structures, math	1900	x3636
1585C	Minimize Distance greedy	1300	x11590
1585B	Array Eversion greedy	900	x14820
1585A	Life of a Flower implementation	800	x17519
1584G	Eligible Segments geometry	3200	x202
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x847
1584E	Game with Stones binary search, data structures, games, greedy	2300	x1221
1584D	Guess the Permutation binary search, combinatorics, interactive, math	2000	x3529
1584C	Two Arrays greedy, math, sortings	900	x15991
1584B	Coloring Rectangles greedy, math	1000	x13097
1584A	Mathematical Addition math	800	x14632
1583H	Omkar and Tours data structures, divide and conquer, sortings, trees	3300	x314
1583G	Omkar and Time Travel data structures, math	3000	x401
1583F	Defender of Childhood Dreams bitmasks, constructive algorithms, divide and conquer	2500	x1223
1583E	Moment of Bloom constructive algorithms, dfs and similar, graph matchings, graphs, greedy, trees	2200	x2164
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5245
1583C	Omkar and Determination data structures, dp	1700	x6816
1583B	Omkar and Heavenly Tree constructive algorithms, trees	1200	x11952
1583A	Windblume Ode math, number theory	800	x13540
1582G	Kuzya and Homework data structures, number theory	2600	x561
1582F2	Korney Korneevich and XOR (hard version) binary search, brute force, dp, greedy, two pointers	2400	x1713
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5273
1582E	Pchelyonok and Segments binary search, data structures, dp, greedy, math	2000	x3597
1582D	Vupsen, Pupsen and 0 constructive algorithms, math	1600	x10154
1582C	Grandma Capa Knits a Scarf brute force, data structures, greedy, strings, two pointers	1200	x14499
1582B	Luntik and Subsequences combinatorics, math	900	x18925
1582A	Luntik and Concerts math	800	x18283
1581B	Diameter of Graph constructive algorithms, graphs, greedy, math	1200	x11053
1581A	CQXYM Count Permutations combinatorics, math, number theory	800	x13268
1580F	Problems for Codeforces combinatorics, fft, math	3300	x130
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x64
1580D	Subsequence brute force, divide and conquer, dp, greedy, trees	2900	x763
1580C	Train Maintenance brute force, data structures, implementation	2200	x1678
1580B	Mathematics Curriculum brute force, combinatorics, dp, trees	2600	x977
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3565
1579G	Minimal Coverage dp	2200	x2275
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4574
1579E2	Array Optimization by Deque data structures, greedy	1700	x6369
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x20929
1579D	Productive Meeting constructive algorithms, graphs, greedy	1400	x15451
1579C	Ticks greedy, implementation	1500	x10302
1579B	Shifting Sort implementation, sortings	1100	x17837
1579A	Casimir's String Solitaire math, strings	800	x37881
1578M	The Mind constructive algorithms, interactive, probabilities	2700	x436
1578L	Labyrinth binary search, dsu, greedy	2400	x1056
1578K	Kingdom of Islands brute force, graphs, implementation	2800	x346
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x217
1578I	Interactive Rays geometry, interactive	3300	x58
1578H	Higher Order Functions implementation, strings	1700	x1990
1578G	Game of Chance math, probabilities	3500	x33
1578F	Framing Pictures geometry	2900	x148
1578E	Easy Scheduling implementation, math	1200	x3734