Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
08:47:51
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Problems

#	Name
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x221
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x278
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x17983
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1609
1952G	Mathematician Takeover binary search, dfs and similar, math		x902
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x39
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x182
1951B	Battle Cows binary search, data structures, greedy	1200	x11500
1949B	Charming Meals binary search, brute force, greedy, sortings		x1551
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8859
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x608
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6767
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x212
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x337
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2364
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5096
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8017
1936F	Grand Finale: Circles binary search, geometry	3300	x64
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x404
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2379
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x384
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7237
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7043
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5967
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9562
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6339
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13099
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15101
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18081
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9823
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x322
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5804
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x394
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x867
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5060
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4213
1915C	Can I Square? binary search, implementation	800	x37158
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x286
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13548
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x77
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11857
1906D	Spaceship Exploration binary search, geometry	2800	x89
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10489
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12724
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x550
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5025
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3640
1902B	Getting Points binary search, brute force, greedy	1100	x13257
1901F	Landscaping binary search, geometry, two pointers	2900	x143
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6096
1900F	Local Deletions binary search, data structures, implementation	2800	x257
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5146
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8555
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x168
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1451
1891D	Suspicious logarithms binary search, brute force, math	1900	x3686
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11189
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x329
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x804
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1564
1887B	Time Travel binary search, graphs, shortest paths	1900	x2662
1886B	Fear of the Dark binary search, geometry, math	1200	x15091
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11623
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4847
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9084
1881G	Anya and the Mysterious String binary search, data structures	2000	x2150
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1088
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10936
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x116
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13708
1873E	Building an Aquarium binary search, sortings	1100	x22730
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11820
1870F	Lazy Numbers binary search, math	2900	x462
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10688
1866L	Lihmuf Balling binary search, brute force, math	2400	x651
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x406
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1499
1866F	Freak Joker Process binary search, data structures, sortings	3100	x113
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2634
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5624
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15941
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19566
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15962
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6515
1857F	Sum and Product binary search, data structures, math	1600	x10346
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10981
1854D	Michael and Hotel binary search, interactive, trees	3000	x522
1853B	Fibonaccharsis binary search, brute force, math	1200	x16480
1852A	Ntarsis' Set binary search, math, number theory	1800	x7537
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2909
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20680
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x650
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1492
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9785
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1444
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2509
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13292
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x851

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