Problemset - Codeforces

→ Pay attention

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

*has extra registration

→ Filter Problems

Difficulty: —

binary search

Add tag

Problems

#	Name
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1558
1866F	Freak Joker Process binary search, data structures, sortings	3100	x130
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2750
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5949
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x16590
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x20165
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x188
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x16464
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6773
1857F	Sum and Product binary search, data structures, math	1600	x10891
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11653
1854D	Michael and Hotel binary search, interactive, trees	3000	x530
1853B	Fibonaccharsis binary search, brute force, math	1200	x16949
1852A	Ntarsis' Set binary search, math, number theory	1800	x7784
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x3086
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x21871
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x682
1849E	Max to the Right of Min binary search, data structures, divide and conquer, dp, dsu, two pointers	2300	x1561
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10148
1848F	Vika and Wiki binary search, bitmasks, combinatorics, divide and conquer, dp, math	2400	x1495
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2556
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x14065
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x868
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6784
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7542
1845C	Strong Password binary search, dp, greedy, strings	1400	x13740
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x377
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x11571
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13322
1838F	Stuck Conveyor binary search, constructive algorithms, interactive	3000	x306
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x2125
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x923
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x2130
1832F	Zombies binary search, dp	3200	x259
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1842
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2854
1827E	Bus Routes binary search, constructive algorithms, dfs and similar, greedy, trees	3400	x371
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1166
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1807
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3763
1821D	Black Cells binary search, brute force, greedy, math	1900	x4860
1817A	Almost Increasing Subsequence binary search, data structures, greedy	1500	x10679
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x840
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1688
1811E	Living Sequence binary search, dp, math, number theory	1500	x11899
1810D	Climbing the Tree binary search, math	1700	x7266
1809F	Traveling in Berland binary search, data structures, graphs, greedy, implementation	2500	x728
1809E	Two Tanks binary search, dp, implementation, math	2400	x809
1809B	Points on Plane binary search, greedy, math	1000	x19358
1808D	Petya, Petya, Petr, and Palindromes binary search, brute force, data structures, two pointers	2100	x2244
1807E	Interview binary search, implementation, interactive	1300	x12257
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x853
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12262
1804F	Approximate Diameter binary search, divide and conquer, graphs, shortest paths	2700	x881
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2109
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3325
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x782
1796C	Maximum Set binary search, math	1600	x10079
1795F	Blocking Chips binary search, constructive algorithms, dfs and similar, greedy, trees	2400	x1080
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x1962
1795C	Tea Tasting binary search, data structures, implementation	1500	x11888
1794C	Scoring Subsequences binary search, greedy, math, two pointers	1300	x13059
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x953
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5930
1792D	Fixed Prefix Permutations binary search, bitmasks, data structures, hashing, math, sortings	1700	x6031
1792C	Min Max Sort binary search, brute force, greedy, math, two pointers	1500	x13657
1791G2	Teleporters (Hard Version) binary search, greedy, sortings	1900	x4620
1791F	Range Update Point Query binary search, brute force, data structures	1500	x11886
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3800
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x207
1783C	Yet Another Tournament binary search, greedy, sortings	1700	x9051
1781E	Rectangle Shrinking binary search, brute force, data structures, greedy, implementation, two pointers	2300	x1286
1780G	Delicious Dessert binary search, dsu, hashing, math, number theory, string suffix structures	2400	x680
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory	2400	x1344
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4775
1777E	Edge Reverse binary search, dfs and similar, graphs, trees	2200	x1746
1777C	Quiz Master binary search, math, number theory, sortings, two pointers	1700	x8191
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x363
1776L	Controllers binary search, math	1500	x5554
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x653
1773H	Hot and Cold binary search, interactive	2600	x352
1773B	BinCoin binary search, divide and conquer, hashing, implementation, probabilities, trees	2200	x743
1772G	Gaining Rating binary search, greedy, implementation, math, sortings, two pointers	2200	x1306
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x1029
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x13593
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x862
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1157
1765H	Hospital Queue binary search, graphs, greedy, implementation	2200	x1210
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x4019
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x442
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x509
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x562
1763B	Incinerate binary search, brute force, data structures, implementation, math, sortings	1200	x14321
1762F	Good Pairs binary search, data structures, dp	2600	x579
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1762
1760F	Quests binary search, greedy, sortings	1500	x11768
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x4347
1759F	All Possible Digits binary search, data structures, greedy, math, number theory	1800	x3810
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x7088
1753E	N Machines binary search, brute force, greedy	3300	x311