Problemset - Codeforces

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Codeforces Round #726 (Div. 2)
4 days

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Problems

#	Name
1431J	Zero-XOR Array *special problem, dp	3400	x14
1534H	Lost Nodes dp, graphs, interactive, sortings, trees		x15
1297H	Paint the String *special problem, dp, strings		x19
1170I	Good Subsets *special problem, dp		x20
1211H	Road Repair in Treeland *special problem, binary search, dp, trees	3100	x27
1346I	Pac-Man 2.0 *special problem, dp	2900	x28
1517H	Fly Around the World dp, geometry	3500	x33
1403C	Chess Rush *special problem, combinatorics, dp, implementation, math	3200	x33
1534G	A New Beginning constructive algorithms, dp		x34
1326G	Spiderweb Trees dp, geometry, trees	3500	x35
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x37
1322F	Assigning Fares dp, trees	3500	x38
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x39
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x42
1500F	Cupboards Jumps dp	3500	x46
1510H	Hard Optimization dp	3200	x48
1210G	Mateusz and Escape Room dp	3500	x51
1297G	M-numbers *special problem, dp, math		x52
924F	Minimal Subset Difference dp	3200	x55
1218A	BubbleReactor dp, graphs	2800	x57
1523H	Hopping Around the Array data structures, dp	3500	x58
1387C	Viruses *special problem, dp, shortest paths, string suffix structures	2900	x58
457F	An easy problem about trees dp, games, greedy, trees	3200	x58
1237G	Balanced Distribution data structures, dp, greedy	3500	x60
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x61
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x61
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x63
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x63
1250D	Conference Problem dp	3000	x66
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x67
1534F2	Falling Sand (Hard Version) dfs and similar, dp, graphs, greedy		x68
852H	Bob and stages dp, geometry	3000	x70
774I	Composing Of String *special problem, dp	2300	x72
1450G	Communism bitmasks, dp, trees	3500	x80
1290F	Making Shapes dp	3500	x80
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x81
1456E	XOR-ranges dp, greedy	3500	x82
185C	Clever Fat Rat dp	2500	x82
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x83
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x84
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x86
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x88
1474F	1 2 3 4 ... dp, math, matrices	3000	x89
1012F	Passports dp, implementation	3400	x89
980F	Cactus to Tree dp, graphs, trees	2900	x89
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x89
662E	To Hack or not to Hack brute force, dp, greedy	3100	x89
379G	New Year Cactus dp	3100	x89
756E	Byteland coins combinatorics, dp, math	3200	x92
833E	Caramel Clouds data structures, dp, sortings	3400	x96
804F	Fake bullions combinatorics, dfs and similar, dp, graphs, number theory	3400	x98
1408I	Bitwise Magic dp, math	3200	x101
1007E	Mini Metro dp	3400	x102
331E2	Deja Vu constructive algorithms, dp	3100	x102
1268E	Happy Cactus dp	3400	x104
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x105
1120F	Secret Letters data structures, dp, greedy	3100	x107
838C	Future Failure dp, games	2800	x107
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x107
720D	Slalom data structures, dp, sortings	3100	x107
717B	R3D3’s Summer Adventure dp, greedy	2700	x107
138E	Hellish Constraints brute force, dp, two pointers	2900	x108
1368H1	Breadboard Capacity (easy version) dp, flows, greedy	3300	x112
1218C	Jumping Transformers dp	2600	x112
933E	A Preponderant Reunion constructive algorithms, dp	3200	x112
280E	Sequence Transformation data structures, dp, implementation, math	3000	x112
391F1	Stock Trading dp		x113
1194G	Another Meme Problem dp	2700	x116
1292F	Nora's Toy Boxes bitmasks, combinatorics, dp	3500	x117
618G	Combining Slimes dp, math, matrices, probabilities	3300	x121
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x123
1416E	Split binary search, data structures, dp, greedy	3200	x123
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x125
48G	Galaxy Union dp, trees, two pointers	2700	x125
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x128
1310E	Strange Function dp	2900	x129
1193A	Amusement Park *special problem, dp, math		x129
513G3	Inversions problem dp	3100	x129
1175G	Yet Another Partiton Problem data structures, divide and conquer, dp, geometry, two pointers	3000	x132
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x134
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x134
335E	Counting Skyscrapers dp, math, probabilities	2800	x134
1523F	Favorite Game bitmasks, dp	3300	x135
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x136
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x139
830E	Perpetual Motion Machine constructive algorithms, dp, graphs, implementation, math, trees	3100	x141
581E	Kojiro and Furrari dp, greedy	2800	x142
533D	Landmarks data structures, dp	3000	x142
855G	Harry Vs Voldemort dfs and similar, dp, graphs, trees	3300	x143
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x145
1067D	Computer Game dp, greedy, math, probabilities	3100	x145
955F	Heaps dp, trees	2600	x145
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x146
1110H	Modest Substrings dp, strings	3500	x146
827F	Dirty Arkady's Kitchen data structures, dp, graphs, shortest paths	3200	x146
62E	World Evil dp, flows	2700	x149
1476F	Lanterns binary search, data structures, dp	3000	x151
848E	Days of Floral Colours combinatorics, divide and conquer, dp, fft, math	3400	x152
802L	Send the Fool Further! (hard) dfs and similar, dp, math, trees	2400	x154
936D	World of Tank dp, greedy	3000	x155

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