Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
19:59:27
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Problems

#	Name
1905F	Field Should Not Be Empty brute force, data structures, divide and conquer	2600	x505
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x898
1905D	Cyclic MEX data structures, implementation, math, two pointers	2000	x3647
1904F	Beautiful Tree data structures, dfs and similar, graphs, implementation, trees	2800	x336
1904E	Tree Queries data structures, dfs and similar, graphs, implementation, trees	2500	x889
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4091
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x593
1903E	Geo Game greedy, interactive, math	2000	x1899
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x737
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5365
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x945
1902E	Collapsing Strings data structures, strings, trees	1900	x4067
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3884
1901F	Landscaping binary search, geometry, two pointers	2900	x148
1901E	Compressed Tree dfs and similar, dp, graphs, greedy, sortings, trees	2200	x1442
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6515
1900F	Local Deletions binary search, data structures, implementation	2800	x270
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1921
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3934
1899G	Unusual Entertainment data structures, dfs and similar, dsu, shortest paths, sortings, trees, two pointers	1900	x3036
1898F	Vova Escapes the Matrix brute force, dfs and similar, divide and conquer, shortest paths	2600	x766
1898E	Sofia and Strings data structures, greedy, sortings, strings, two pointers	2200	x2156
1898D	Absolute Beauty greedy, math	1900	x4979
1898C	Colorful Grid constructive algorithms	1700	x5185
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x98
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x87
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x321
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x688
1896E	Permutation Sorting data structures, sortings	2100	x2129
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5449
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x181
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x690
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1509
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5784
1893E	Cacti Symphony combinatorics, dfs and similar, dp, graphs	3500	x186
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x846
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2531
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8453
1891F	A Growing Tree data structures, dfs and similar, trees	2000	x3518
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x797
1891D	Suspicious logarithms binary search, brute force, math	1900	x3831
1889F	Doremy's Average Tree data structures, dp, greedy, trees	3500	x71
1889E	Doremy's Swapping Trees dfs and similar, graphs, trees	3500	x104
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x544
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x927
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x3126
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7027
1887F	Minimum Segments constructive algorithms	3400	x124
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x342
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x846
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1649
1887B	Time Travel binary search, graphs, shortest paths	1900	x2817
1886F	Diamond Theft data structures, greedy	3300	x162
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1387
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3436
1884E	Hard Design greedy, implementation, math	2800	x271
1884D	Counting Rhyme dp, math, number theory	2100	x3019
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5771
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5121
1883E	Look Back bitmasks, greedy	1700	x7563
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x289
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x985
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5189
1881G	Anya and the Mysterious String binary search, data structures	2000	x2254
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6420
1879F	Last Man Standing brute force, data structures, number theory	2800	x493
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1216
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7007
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1140
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3958
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x119
1876F	Indefinite Clownfish binary search, graphs	3500	x127
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x261
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x838
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2199
1874G	Jellyfish and Inscryption dp	3500	x79
1874F	Jellyfish and OEIS dp	3500	x193
1874E	Jellyfish and Hack dp, math	3000	x293
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x680
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1557
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1108
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6954
1872G	Replace With Product brute force, greedy, math	2000	x4112
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6046
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x80
1870G	MEXanization data structures	3300	x208
1870F	Lazy Numbers binary search, math	2900	x470
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2276
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6649
1868F	LIS? data structures, greedy, implementation	3500	x72
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x78
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x258
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1109
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2340
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6737
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x406
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3084
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3636
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5566
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x708