Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
32:52:57
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Problems

#	Name
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x218
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x272
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x17891
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1588
1952G	Mathematician Takeover binary search, dfs and similar, math		x898
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x38
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x179
1951B	Battle Cows binary search, data structures, greedy	1200	x11456
1949B	Charming Meals binary search, brute force, greedy, sortings		x1541
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8830
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x607
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6747
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x209
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x334
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2360
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5088
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8004
1936F	Grand Finale: Circles binary search, geometry	3300	x64
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x403
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2372
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	x7228
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7036
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5961
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9546
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6331
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13089
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15087
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18068
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9817
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x320
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5792
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	x5057
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4213
1915C	Can I Square? binary search, implementation	800	x37124
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	x13531
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x77
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11847
1906D	Spaceship Exploration binary search, geometry	2800	x89
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10480
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12715
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	x5023
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3636
1902B	Getting Points binary search, brute force, greedy	1100	x13247
1901F	Landscaping binary search, geometry, two pointers	2900	x143
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6093
1900F	Local Deletions binary search, data structures, implementation	2800	x254
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5141
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8552
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	x1449
1891D	Suspicious logarithms binary search, brute force, math	1900	x3685
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11179
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	x803
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1562
1887B	Time Travel binary search, graphs, shortest paths	1900	x2659
1886B	Fear of the Dark binary search, geometry, math	1200	x15083
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11619
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4843
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9080
1881G	Anya and the Mysterious String binary search, data structures	2000	x2148
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	x10927
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	x13703
1873E	Building an Aquarium binary search, sortings	1100	x22690
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11811
1870F	Lazy Numbers binary search, math	2900	x462
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10684
1866L	Lihmuf Balling binary search, brute force, math	2400	x651
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x404
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1498
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	x5622
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15937
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19565
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15951
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6512
1857F	Sum and Product binary search, data structures, math	1600	x10343
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10976
1854D	Michael and Hotel binary search, interactive, trees	3000	x522
1853B	Fibonaccharsis binary search, brute force, math	1200	x16475
1852A	Ntarsis' Set binary search, math, number theory	1800	x7533
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2906
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20674
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x646
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1491
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9775
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	x2507
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13289
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x850

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