Problemset - Codeforces

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Codeforces Round 976 (Div. 2) and Divide By Zero 9.0
10:17:46
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Problems

#	Name
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2670
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8840
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x12306
1891F	A Growing Tree data structures, dfs and similar, trees	2000	x3711
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x823
1891D	Suspicious logarithms binary search, brute force, math	1900	x3957
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13146
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x79
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x110
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x579
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x975
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3251
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7321
1887F	Minimum Segments constructive algorithms	3400	x129
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x370
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x873
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1711
1887B	Time Travel binary search, graphs, shortest paths	1900	x2960
1886F	Diamond Theft data structures, greedy	3300	x190
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1455
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3570
1886C	Decreasing String implementation, strings	1600	x11436
1884E	Hard Design greedy, implementation, math	2800	x317
1884D	Counting Rhyme dp, math, number theory	2100	x3183
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6033
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5368
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10879
1883F	You Are So Beautiful data structures	1400	x9445
1883E	Look Back bitmasks, greedy	1700	x8046
1883D	In Love data structures, greedy	1500	x11426
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x291
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x1016
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5435
1882C	Card Game brute force, greedy	1500	x12276
1881G	Anya and the Mysterious String binary search, data structures	2000	x2365
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6876
1881E	Block Sequence dp	1500	x13963
1879F	Last Man Standing brute force, data structures, number theory	2800	x508
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1260
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7339
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1180
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4099
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x12702
1878D	Reverse Madness data structures, greedy	1600	x8293
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x124
1876F	Indefinite Clownfish binary search, graphs	3500	x133
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x267
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x872
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2282
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8238
1875D	Jellyfish and Mex dp	1600	x8617
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11691
1874G	Jellyfish and Inscryption dp	3500	x85
1874F	Jellyfish and OEIS dp	3500	x205
1874E	Jellyfish and Hack dp, math	3000	x313
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x721
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1694
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1142
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7334
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13171
1872G	Replace With Product brute force, greedy, math	2000	x4256
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6309
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13506
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x85
1870G	MEXanization data structures	3300	x217
1870F	Lazy Numbers binary search, math	2900	x486
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2343
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6952
1868F	LIS? data structures, greedy, implementation	3500	x76
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x84
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x285
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1149
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2394
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6951
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x419
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3172
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3741
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5754
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x759
1866L	Lihmuf Balling binary search, brute force, math	2400	x706
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x442
1866J	Jackets and Packets dp	2800	x288
1866I	Imagination Castle dp, games, two pointers	2300	x764
1866H	Happy Sets combinatorics	2100	x1646
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1681
1866F	Freak Joker Process binary search, data structures, sortings	3100	x136
1866E	Elevators of Tamem dp	2700	x403
1866D	Digital Wallet dp, greedy	2300	x1308
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3039
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7706
1864I	Future Dominators graphs, greedy	3500	x88
1864H	Asterism Stream dp, math, matrices	3200	x279
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x270
1864F	Exotic Queries data structures, implementation, sortings	2300	x1433
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2626
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6746
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x77
1863H	Goldberg Machine 3 dp, trees	3500	x77
1863G	Swaps combinatorics, dp, graphs, math	2800	x620
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1123