Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
26:31:16
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Problems

#	Name
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6947
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x12396
1887F	Minimum Segments constructive algorithms	3400	x119
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x341
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x835
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1616
1887B	Time Travel binary search, graphs, shortest paths	1900	x2763
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	x1368
1886D	Monocarp and the Set combinatorics, data structures, math	2100	x3394
1886C	Decreasing String implementation, strings	1600	x10631
1886B	Fear of the Dark binary search, geometry, math	1200	x15489
1886A	Sum of Three brute force, constructive algorithms, math	800	x24962
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1884E	Hard Design greedy, implementation, math	2800	x270
1884D	Counting Rhyme dp, math, number theory	2100	x2957
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5673
1884B	Haunted House binary search, greedy, math, two pointers	1100	x12067
1884A	Simple Design brute force, greedy, math	800	x16814
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x5038
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9755
1883F	You Are So Beautiful data structures	1400	x8667
1883E	Look Back bitmasks, greedy	1700	x7415
1883D	In Love data structures, greedy	1500	x10544
1883C	Raspberries dp, math	1000	x24203
1883B	Chemistry strings	900	x28572
1883A	Morning math	800	x24616
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x287
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x977
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5127
1882C	Card Game brute force, greedy	1500	x11672
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14773
1882A	Increasing Sequence greedy	800	x24758
1881G	Anya and the Mysterious String binary search, data structures	2000	x2226
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6270
1881E	Block Sequence dp	1500	x12433
1881D	Divide and Equalize math, number theory	1300	x15433
1881C	Perfect Square brute force, implementation	1200	x16273
1881B	Three Threadlets math	900	x24308
1881A	Don't Try to Count brute force, strings	800	x28758
1879F	Last Man Standing brute force, data structures, number theory	2800	x477
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1203
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6902
1879C	Make it Alternating combinatorics, dp, greedy	1300	x15588
1879B	Chips on the Board constructive algorithms, greedy	900	x21639
1879A	Rigged! greedy	800	x22596
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1123
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3905
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11691
1878D	Reverse Madness data structures, greedy	1600	x7857
1878C	Vasilije in Cacak math	900	x29880
1878B	Aleksa and Stack constructive algorithms, math	800	x30505
1878A	How Much Does Daytona Cost? greedy	800	x40591
1877C	Joyboard math, number theory	1200	x10386
1877A	Goals of Victory math	800	x20240
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x118
1876F	Indefinite Clownfish binary search, graphs	3500	x124
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x259
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x832
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2182
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7772
1876A	Helmets in Night Light greedy, sortings	1000	x15716
1875D	Jellyfish and Mex dp	1600	x7914
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11127
1875A	Jellyfish and Undertale brute force, greedy	900	x22948
1874G	Jellyfish and Inscryption dp	3500	x79
1874F	Jellyfish and OEIS dp	3500	x191
1874E	Jellyfish and Hack dp, math	3000	x286
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x674
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1543
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1093
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x16304
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6831
1873G	ABBC or BACB constructive algorithms, greedy	1500	x12267
1873F	Money Trees binary search, greedy, math, two pointers	1300	x14506
1873E	Building an Aquarium binary search, sortings	1100	x24214
1873D	1D Eraser greedy, implementation, two pointers	800	x33609
1873C	Target Practice implementation, math	800	x37039
1873B	Good Kid brute force, greedy, math	800	x45946
1873A	Short Sort brute force, implementation	800	x50582
1872G	Replace With Product brute force, greedy, math	2000	x4079
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5969
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12537
1872D	Plus Minus Permutation math	1200	x21911
1872C	Non-coprime Split math, number theory	1100	x22527
1872B	The Corridor or There and Back Again greedy, implementation	900	x27106
1872A	Two Vessels brute force, greedy, math	800	x37995
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x80
1870G	MEXanization data structures	3300	x206
1870F	Lazy Numbers binary search, math	2900	x469
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2252
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6584
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11011
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13681
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18705
1869B	2D Traveling geometry, math, shortest paths, sortings	1100	x15036
1869A	Make It Zero constructive algorithms	900	x19610
1868F	LIS? data structures, greedy, implementation	3500	x71
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x75
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x257