Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
3 days
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
3 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

binary search

Add tag

Problems

#	Name
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees		x164
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees		x210
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x17297
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1510
1952G	Mathematician Takeover binary search, dfs and similar, math		x891
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x37
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x170
1951B	Battle Cows binary search, data structures, greedy	1200	x11233
1949B	Charming Meals binary search, brute force, greedy, sortings		x1524
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x8734
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x597
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x6686
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x203
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x325
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2328
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5052
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x7939
1936F	Grand Finale: Circles binary search, geometry	3300	x64
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x398
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2356
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x371
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7185
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7003
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x5935
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9496
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6302
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13047
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15016
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18005
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9763
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x317
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5755
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x393
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x866
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5046
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4197
1915C	Can I Square? binary search, implementation	800	x37036
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x285
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13488
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x77
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x11793
1906D	Spaceship Exploration binary search, geometry	2800	x85
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10428
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x12668
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x548
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5011
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3622
1902B	Getting Points binary search, brute force, greedy	1100	x13213
1901F	Landscaping binary search, geometry, two pointers	2900	x142
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6078
1900F	Local Deletions binary search, data structures, implementation	2800	x253
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5129
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8532
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	x1447
1891D	Suspicious logarithms binary search, brute force, math	1900	x3682
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11146
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x328
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x798
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1557
1887B	Time Travel binary search, graphs, shortest paths	1900	x2653
1886B	Fear of the Dark binary search, geometry, math	1200	x15050
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11584
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4831
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9030
1881G	Anya and the Mysterious String binary search, data structures	2000	x2141
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1083
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10898
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x115
1876F	Indefinite Clownfish binary search, graphs	3500	x104
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13670
1873E	Building an Aquarium binary search, sortings	1100	x22596
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11777
1870F	Lazy Numbers binary search, math	2900	x462
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10672
1866L	Lihmuf Balling binary search, brute force, math	2400	x648
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x403
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1496
1866F	Freak Joker Process binary search, data structures, sortings	3100	x112
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2626
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5602
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15917
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19541
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15928
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6494
1857F	Sum and Product binary search, data structures, math	1600	x10321
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10953
1854D	Michael and Hotel binary search, interactive, trees	3000	x521
1853B	Fibonaccharsis binary search, brute force, math	1200	x16446
1852A	Ntarsis' Set binary search, math, number theory	1800	x7513
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2900
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20623
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x626
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1490
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9759
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1440
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2504
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13258
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x848

←