Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 950 (Div. 3)
46:12:07
Register now »

→ Filter Problems

Difficulty: —

binary search

Add tag

Problems

#	Name
1976D	Invertible Bracket Sequences binary search, combinatorics, data structures, divide and conquer, implementation, two pointers		x2443
1976C	Job Interview binary search, dp, greedy, implementation, two pointers		x7158
1975E	Chain Queries binary search, data structures, dfs and similar, implementation, trees	2100	x1536
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x10575
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x2606
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x11341
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x7606
1971E	Find the Car binary search, math, sortings	1500	x10748
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy	2400	x1025
1968G2	Division + LCP (hard version) binary search, brute force, data structures, dp, hashing, math, string suffix structures, strings	2200	x1499
1968G1	Division + LCP (easy version) binary search, data structures, dp, hashing, string suffix structures, strings	1900	x3382
1968F	Equal XOR Segments binary search, data structures	1800	x4319
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x493
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x10093
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees	2700	x308
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees	2600	x367
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x19635
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1879
1952G	Mathematician Takeover binary search, dfs and similar, math		x949
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x61
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x211
1951B	Battle Cows binary search, data structures, greedy	1200	x12554
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x2124
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9420
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x646
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7162
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x250
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x380
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2492
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5313
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8395
1936F	Grand Finale: Circles binary search, geometry	3300	x70
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x428
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2505
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x404
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7462
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7298
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6146
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x9936
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6502
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13517
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15614
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x18695
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10369
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x338
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6052
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x420
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x896
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5169
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4342
1915C	Can I Square? binary search, implementation	800	x38211
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x292
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13911
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x81
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x12244
1906D	Spaceship Exploration binary search, geometry	2800	x90
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x10903
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x13217
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x567
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5184
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3730
1902B	Getting Points binary search, brute force, greedy	1100	x13482
1901F	Landscaping binary search, geometry, two pointers	2900	x146
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6289
1900F	Local Deletions binary search, data structures, implementation	2800	x264
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5278
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8783
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x178
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1470
1891D	Suspicious logarithms binary search, brute force, math	1900	x3737
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11530
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x337
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x827
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1598
1887B	Time Travel binary search, graphs, shortest paths	1900	x2720
1886B	Fear of the Dark binary search, geometry, math	1200	x15332
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11819
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4931
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9417
1881G	Anya and the Mysterious String binary search, data structures	2000	x2202
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1105
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11347
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x118
1876F	Indefinite Clownfish binary search, graphs	3500	x113
1873F	Money Trees binary search, greedy, math, two pointers	1300	x14112
1873E	Building an Aquarium binary search, sortings	1100	x23538
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12244
1870F	Lazy Numbers binary search, math	2900	x465
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10871
1866L	Lihmuf Balling binary search, brute force, math	2400	x660
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x415
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1535
1866F	Freak Joker Process binary search, data structures, sortings	3100	x122
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2689
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5765
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16221
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19839
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x149
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16196
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6606

←