Problemset - Codeforces

Codeforces functionality may be limited from June 18, 19:00 (UTC) to June 19, 3:00 AM (UTC) due to technical maintenance. Polygon will work as usual. ×

→ Pay attention

Before contest
Codeforces Round 954 (Div. 3)
5 days

→ Filter Problems

Difficulty: —

binary search

Add tag

Problems

#	Name
1985F	Final Boss binary search, data structures		x9937
1979E	Manhattan Triangle binary search, constructive algorithms, data structures, geometry, implementation, two pointers	2400	x994
1979C	Earning on Bets binary search, combinatorics, constructive algorithms, number theory	1200	x15186
1978B	New Bakery binary search, greedy, math, ternary search		x15808
1976D	Invertible Bracket Sequences binary search, combinatorics, data structures, divide and conquer, implementation, two pointers	2000	x3200
1976C	Job Interview binary search, dp, greedy, implementation, two pointers	1600	x8259
1975E	Chain Queries binary search, data structures, dfs and similar, implementation, trees	2100	x1780
1975C	Chamo and Mocha's Array binary search, brute force, greedy	1200	x11999
1974F	Cutting Game binary search, brute force, data structures, implementation, sortings, two pointers	1900	x2942
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x12047
1971F	Circle Perimeter binary search, brute force, dfs and similar, geometry, implementation, math	1600	x8295
1971E	Find the Car binary search, math, sortings	1500	x11759
1969E	Unique Array binary search, data structures, divide and conquer, dp, greedy	2400	x1092
1968G2	Division + LCP (hard version) binary search, brute force, data structures, dp, hashing, math, string suffix structures, strings	2200	x1614
1968G1	Division + LCP (easy version) binary search, data structures, dp, hashing, string suffix structures, strings	1900	x3584
1968F	Equal XOR Segments binary search, data structures	1800	x4604
1967D	Long Way to be Non-decreasing binary search, dfs and similar, graphs, implementation, shortest paths, two pointers	2800	x519
1967A	Permutation Counting binary search, greedy, implementation, math, sortings	1400	x10611
1957F2	Frequency Mismatch (Hard Version) binary search, data structures, dfs and similar, hashing, probabilities, trees	2700	x324
1957F1	Frequency Mismatch (Easy Version) binary search, data structures, divide and conquer, hashing, probabilities, trees	2600	x382
1956A	Nene's Game binary search, brute force, data structures, games, greedy	800	x20051
1954E	Chain Reaction binary search, data structures, dsu, greedy, implementation, math, number theory	2200	x1940
1952G	Mathematician Takeover binary search, dfs and similar, math		x964
1951I	Growing Trees binary search, constructive algorithms, flows, graphs, greedy	3200	x70
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x226
1951B	Battle Cows binary search, data structures, greedy	1200	x13085
1949B	Charming Meals binary search, brute force, greedy, sortings	1500	x2329
1946C	Tree Cutting binary search, dp, greedy, implementation, trees	1600	x9606
1945G	Cook and Porridge binary search, constructive algorithms, data structures, implementation	2500	x666
1945E	Binary Search binary search, constructive algorithms, greedy	1700	x7342
1943E2	MEX Game 2 (Hard Version) binary search, greedy, two pointers	3300	x257
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x388
1942D	Learning to Paint binary search, data structures, dfs and similar, dp, greedy, implementation, sortings	2100	x2545
1941F	Rudolf and Imbalance binary search, greedy, sortings, two pointers	1800	x5414
1941E	Rudolf and k Bridges binary search, data structures, dp, two pointers	1600	x8583
1936F	Grand Finale: Circles binary search, geometry	3300	x72
1936D	Bitwise Paradox binary search, bitmasks, data structures, greedy, two pointers	3100	x442
1936B	Pinball binary search, data structures, implementation, math, two pointers	2000	x2551
1935F	Andrey's Tree binary search, constructive algorithms, data structures, dfs and similar, dsu, greedy, implementation, trees	2800	x405
1935D	Exam in MAC binary search, combinatorics, implementation, math	1800	x7582
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x7417
1934C	Find a Mine binary search, constructive algorithms, geometry, greedy, interactive, math	1700	x6230
1933E	Turtle vs. Rabbit Race: Optimal Trainings binary search, implementation, math, ternary search	1500	x10152
1930C	Lexicographically Largest binary search, constructive algorithms, data structures, greedy, sortings	1700	x6590
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x13711
1928B	Equalize binary search, greedy, sortings, two pointers	1200	x15879
1927D	Find the Different Ones! binary search, brute force, data structures, dp, dsu, greedy, two pointers	1300	x19032
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x10688
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x343
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6127
1920F2	Smooth Sailing (Hard Version) binary search, data structures, dsu, geometry, graphs, trees	3000	x423
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x902
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5226
1918D	Blocking Elements binary search, data structures, dp, implementation, two pointers	1900	x4389
1915C	Can I Square? binary search, implementation	800	x38929
1913F	Palindromic Problem binary search, data structures, hashing, string suffix structures, strings	2800	x294
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x14067
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x83
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x12476
1906D	Spaceship Exploration binary search, geometry	2800	x95
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x11168
1904B	Collecting Game binary search, dp, greedy, sortings, two pointers	1100	x13532
1903F	Babysitting 2-sat, binary search, data structures, graphs, trees	2500	x571
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5247
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3779
1902B	Getting Points binary search, brute force, greedy	1100	x13601
1901F	Landscaping binary search, geometry, two pointers	2900	x146
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6377
1900F	Local Deletions binary search, data structures, implementation	2800	x266
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5342
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8916
1895G	Two Characters, Two Colors binary search, data structures, dp, flows, greedy	3100	x179
1895E	Infinite Card Game binary search, brute force, data structures, dfs and similar, dp, dsu, games, graphs, greedy, sortings, two pointers	2300	x1478
1891D	Suspicious logarithms binary search, brute force, math	1900	x3776
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11803
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x339
1887D	Split binary search, data structures, divide and conquer, dsu, math, trees, two pointers	2700	x832
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1610
1887B	Time Travel binary search, graphs, shortest paths	1900	x2751
1886B	Fear of the Dark binary search, geometry, math	1200	x15445
1884B	Haunted House binary search, greedy, math, two pointers	1100	x11981
1883G2	Dances (Hard Version) binary search, greedy, sortings, two pointers	1900	x4998
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x9638
1881G	Anya and the Mysterious String binary search, data structures	2000	x2216
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1110
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11566
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x118
1876F	Indefinite Clownfish binary search, graphs	3500	x121
1873F	Money Trees binary search, greedy, math, two pointers	1300	x14433
1873E	Building an Aquarium binary search, sortings	1100	x24063
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12435
1870F	Lazy Numbers binary search, math	2900	x466
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10968
1866L	Lihmuf Balling binary search, brute force, math	2400	x663
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x416
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1540
1866F	Freak Joker Process binary search, data structures, sortings	3100	x122
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2715
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5821
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16364

←