Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
04:08:03
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binary search

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Problems

#	Name
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x6226
1971E	Find the Car binary search, math, sortings	1500	x9006
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy	2400	x934
1968G2	Division + LCP (hard version) binary search, brute force, data structures, dp, hashing, math, string suffix structures, strings	2200	x1361
1968G1	Division + LCP (easy version) binary search, data structures, dp, hashing, string suffix structures, strings	1900	x3089
1968F	Equal XOR Segments binary search, data structures	1800	x3855
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x426
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x9240
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees	2700	x284
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees	2600	x342
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x19103
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1809
1952G	Mathematician Takeover binary search, dfs and similar, math		x929
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x45
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x201
1951B	Battle Cows binary search, data structures, greedy	1200	x12169
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x1908
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9193
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x628
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6988
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x234
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x365
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2441
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5226
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8219
1936F	Grand Finale: Circles binary search, geometry	3300	x68
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x419
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2462
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x396
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7360
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7174
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6068
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9771
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6435
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13323
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15376
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18396
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10128
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x333
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5947
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x407
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x884
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5121
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4287
1915C	Can I Square? binary search, implementation	800	x37781
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x289
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13724
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x80
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x12036
1906D	Spaceship Exploration binary search, geometry	2800	x89
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10722
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12925
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x561
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5115
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3696
1902B	Getting Points binary search, brute force, greedy	1100	x13361
1901F	Landscaping binary search, geometry, two pointers	2900	x144
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6207
1900F	Local Deletions binary search, data structures, implementation	2800	x260
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5208
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8643
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x173
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1459
1891D	Suspicious logarithms binary search, brute force, math	1900	x3717
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11363
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x334
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x820
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1581
1887B	Time Travel binary search, graphs, shortest paths	1900	x2696
1886B	Fear of the Dark binary search, geometry, math	1200	x15227
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11710
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4893
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9240
1881G	Anya and the Mysterious String binary search, data structures	2000	x2174
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1098
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11155
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x117
1876F	Indefinite Clownfish binary search, graphs	3500	x112
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13916
1873E	Building an Aquarium binary search, sortings	1100	x23152
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12075
1870F	Lazy Numbers binary search, math	2900	x463
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10763
1866L	Lihmuf Balling binary search, brute force, math	2400	x656
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x412
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1519
1866F	Freak Joker Process binary search, data structures, sortings	3100	x120
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2664
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5708
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16080
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19700
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x147
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16074
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6567
1857F	Sum and Product binary search, data structures, math	1600	x10474
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11108
1854D	Michael and Hotel binary search, interactive, trees	3000	x523
1853B	Fibonaccharsis binary search, brute force, math	1200	x16557
1852A	Ntarsis' Set binary search, math, number theory	1800	x7584
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2942

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