Codeforces Solutions

Auto-generated by CFPusher for Onkar_codeforce

📊 Stats

Total Problems	Topics
94	17

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📂 Topic-Wise Problems

• Uncategorized (11)
• bitmasks (3)
• brute force (16)
• combinatorics (3)
• constructive algorithms (16)
• data structures (3)
• dfs and similar (1)
• dp (4)
• games (3)
• geometry (1)
• greedy (31)
• implementation (27)
• math (43)
• number theory (10)
• sortings (7)
• strings (9)
• two pointers (2)

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Uncategorized

#	Problem	Difficulty	Solution
2241A	Divide and Conquer	Unrated	C++23 (GCC 14-64, msys2)
2242A	Bigrams	Unrated	C++23 (GCC 14-64, msys2)
2244A	Iskander and Drawings	Unrated	C++23 (GCC 14-64, msys2)
2244B	Nikita and Books	Unrated	C++23 (GCC 14-64, msys2)
2246A	farmpiggie and Subset Sum	Unrated	C++23 (GCC 14-64, msys2)
2246B	ezraft and Array	Unrated	C++23 (GCC 14-64, msys2)
2252A	Boss Fight	Unrated	C++23 (GCC 14-64, msys2)
2256A	Three Numbers on the Blackboard	Unrated	C++23 (GCC 14-64, msys2)
2256B	Domino Tiles	Unrated	C++23 (GCC 14-64, msys2)
2260A	Monocarp's Contest	Unrated	C++23 (GCC 14-64, msys2)
2260B	Monocarp and Projects	Unrated	C++23 (GCC 14-64, msys2)

bitmasks

#	Problem	Difficulty	Solution
1559A	Mocha and Math	900	C++23 (GCC 14-64, msys2)
1805A	We Need the Zero	800	C++23 (GCC 14-64, msys2)
2260C	Maximize XOR, Minimize Operations	Unrated	C++23 (GCC 14-64, msys2)

brute force

#	Problem	Difficulty	Solution
236A	Boy or Girl	800	C++17 (GCC 7-32)
1380A	Three Indices	900	C++23 (GCC 14-64, msys2)
1679A	AvtoBus	900	C++23 (GCC 14-64, msys2)
1761A	Two Permutations	800	C++23 (GCC 14-64, msys2)
1766A	Extremely Round	800	C++23 (GCC 14-64, msys2)
1788A	One and Two	800	C++23 (GCC 14-64, msys2)
1789A	Serval and Mocha's Array	800	C++23 (GCC 14-64, msys2)
1805A	We Need the Zero	800	C++23 (GCC 14-64, msys2)
1850D	Balanced Round	900	C++23 (GCC 14-64, msys2)
1853A	Desorting	800	C++23 (GCC 14-64, msys2)
1855B	Longest Divisors Interval	900	C++23 (GCC 14-64, msys2)
1875A	Jellyfish and Undertale	900	C++23 (GCC 14-64, msys2)
1881A	Don't Try to Count	800	C++23 (GCC 14-64, msys2)
1903A	Halloumi Boxes	800	C++23 (GCC 14-64, msys2)
1904A	Forked!	900	C++23 (GCC 14-64, msys2)
2163C	Monopati	1500	C++23 (GCC 14-64, msys2)

combinatorics

#	Problem	Difficulty	Solution
1582B	Luntik and Subsequences	900	C++23 (GCC 14-64, msys2)
1855B	Longest Divisors Interval	900	C++23 (GCC 14-64, msys2)
2163C	Monopati	1500	C++23 (GCC 14-64, msys2)

constructive algorithms

#	Problem	Difficulty	Solution
1430C	Numbers on Whiteboard	1000	C++17 (GCC 7-32)
1537B	Bad Boy	900	C++23 (GCC 14-64, msys2)
1559A	Mocha and Math	900	C++23 (GCC 14-64, msys2)
1665B	Array Cloning Technique	900	C++23 (GCC 14-64, msys2)
1761A	Two Permutations	800	C++23 (GCC 14-64, msys2)
1783A	Make it Beautiful	800	C++23 (GCC 14-64, msys2)
1794B	Not Dividing	900	C++23 (GCC 14-64, msys2)
1831A	Twin Permutations	800	C++23 (GCC 14-64, msys2)
1837A	Grasshopper on a Line	800	C++23 (GCC 14-64, msys2)
1845A	Forbidden Integer	800	C++23 (GCC 14-64, msys2)
1859A	United We Stand	800	C++23 (GCC 14-64, msys2)
1862B	Sequence Game	800	C++23 (GCC 14-64, msys2)
1869A	Make It Zero	900	C++23 (GCC 14-64, msys2)
1890A	Doremy's Paint 3	800	C++23 (GCC 14-64, msys2)
1900A	Cover in Water	800	C++23 (GCC 14-64, msys2)
2247A	Zero Sum	Unrated	C++23 (GCC 14-64, msys2)

data structures

#	Problem	Difficulty	Solution
1380A	Three Indices	900	C++23 (GCC 14-64, msys2)
1430C	Numbers on Whiteboard	1000	C++17 (GCC 7-32)
1807D	Odd Queries	900	C++23 (GCC 14-64, msys2)

dfs and similar

#	Problem	Difficulty	Solution
1593B	Make it Divisible by 25	900	C++23 (GCC 14-64, msys2)

dp

#	Problem	Difficulty	Solution
1593B	Make it Divisible by 25	900	C++23 (GCC 14-64, msys2)
1883C	Raspberries	1000	C++23 (GCC 14-64, msys2)
2163C	Monopati	1500	C++23 (GCC 14-64, msys2)
2252B	Always Changing	Unrated	C++23 (GCC 14-64, msys2)

games

#	Problem	Difficulty	Solution
1373B	01 Game	900	C++23 (GCC 14-64, msys2)
1858A	Buttons	800	C++23 (GCC 14-64, msys2)
1899A	Game with Integers	800	C++23 (GCC 14-64, msys2)

geometry

#	Problem	Difficulty	Solution
1806A	Walking Master	800	C++23 (GCC 14-64, msys2)

greedy

#	Problem	Difficulty	Solution
514A	Chewbaсca and Number	1200	C++17 (GCC 7-32)
1300B	Assigning to Classes	1000	C++17 (GCC 7-32)
1430C	Numbers on Whiteboard	1000	C++17 (GCC 7-32)
1440B	Sum of Medians	900	C++23 (GCC 14-64, msys2)
1471A	Strange Partition	900	C++23 (GCC 14-64, msys2)
1537B	Bad Boy	900	C++23 (GCC 14-64, msys2)
1543A	Exciting Bets	900	C++23 (GCC 14-64, msys2)
1593B	Make it Divisible by 25	900	C++23 (GCC 14-64, msys2)
1665B	Array Cloning Technique	900	C++23 (GCC 14-64, msys2)
1666D	Deletive Editing	900	C++23 (GCC 14-64, msys2)
1675B	Make It Increasing	900	C++23 (GCC 14-64, msys2)
1679A	AvtoBus	900	C++23 (GCC 14-64, msys2)
1696B	NIT Destroys the Universe	900	C++23 (GCC 14-64, msys2)
1726A	Mainak and Array	900	C++23 (GCC 14-64, msys2)
1777A	Everybody Likes Good Arrays!	800	C++23 (GCC 14-64, msys2)
1794B	Not Dividing	900	C++23 (GCC 14-64, msys2)
1806A	Walking Master	800	C++23 (GCC 14-64, msys2)
1834A	Unit Array	800	C++23 (GCC 14-64, msys2)
1837B	Comparison String	900	C++23 (GCC 14-64, msys2)
1850D	Balanced Round	900	C++23 (GCC 14-64, msys2)
1853A	Desorting	800	C++23 (GCC 14-64, msys2)
1855B	Longest Divisors Interval	900	C++23 (GCC 14-64, msys2)
1857A	Array Coloring	800	C++23 (GCC 14-64, msys2)
1858A	Buttons	800	C++23 (GCC 14-64, msys2)
1875A	Jellyfish and Undertale	900	C++23 (GCC 14-64, msys2)
1878A	How Much Does Daytona Cost?	800	C++23 (GCC 14-64, msys2)
1900A	Cover in Water	800	C++23 (GCC 14-64, msys2)
1901A	Line Trip	800	C++23 (GCC 14-64, msys2)
1903A	Halloumi Boxes	800	C++23 (GCC 14-64, msys2)
2252B	Always Changing	Unrated	C++23 (GCC 14-64, msys2)
2260C	Maximize XOR, Minimize Operations	Unrated	C++23 (GCC 14-64, msys2)

implementation

#	Problem	Difficulty	Solution
110A	Nearly Lucky Number	800	C++17 (GCC 7-32)
116A	Tram	800	C++17 (GCC 7-32)
118A	String Task	1000	C++17 (GCC 7-32)
151A	Soft Drinking	800	C++17 (GCC 7-32)
236A	Boy or Girl	800	C++17 (GCC 7-32)
282A	Bit++	800	C++17 (GCC 7-32)
514A	Chewbaсca and Number	1200	C++17 (GCC 7-32)
723A	The New Year: Meeting Friends	800	C++17 (GCC 7-32)
785A	Anton and Polyhedrons	800	C++17 (GCC 7-32)
977A	Wrong Subtraction	800	C++17 (GCC 7-32)
1030A	In Search of an Easy Problem	800	C++17 (GCC 7-32)
1300B	Assigning to Classes	1000	C++17 (GCC 7-32)
1352A	Sum of Round Numbers	800	C++17 (GCC 7-32)
1430C	Numbers on Whiteboard	1000	C++17 (GCC 7-32)
1624B	Make AP	900	C++23 (GCC 14-64, msys2)
1675B	Make It Increasing	900	C++23 (GCC 14-64, msys2)
1766A	Extremely Round	800	C++23 (GCC 14-64, msys2)
1788A	One and Two	800	C++23 (GCC 14-64, msys2)
1791C	Prepend and Append	800	C++23 (GCC 14-64, msys2)
1807D	Odd Queries	900	C++23 (GCC 14-64, msys2)
1814A	Coins	800	C++23 (GCC 14-64, msys2)
1829B	Blank Space	800	C++23 (GCC 14-64, msys2)
1845A	Forbidden Integer	800	C++23 (GCC 14-64, msys2)
1850D	Balanced Round	900	C++23 (GCC 14-64, msys2)
1873C	Target Practice	800	C++23 (GCC 14-64, msys2)
1900A	Cover in Water	800	C++23 (GCC 14-64, msys2)
1904A	Forked!	900	C++23 (GCC 14-64, msys2)

math

#	Problem	Difficulty	Solution
151A	Soft Drinking	800	C++17 (GCC 7-32)
723A	The New Year: Meeting Friends	800	C++17 (GCC 7-32)
1352A	Sum of Round Numbers	800	C++17 (GCC 7-32)
1374B	Multiply by 2, divide by 6	900	C++23 (GCC 14-64, msys2)
1430C	Numbers on Whiteboard	1000	C++17 (GCC 7-32)
1440B	Sum of Medians	900	C++23 (GCC 14-64, msys2)
1471A	Strange Partition	900	C++23 (GCC 14-64, msys2)
1475A	Odd Divisor	900	C++23 (GCC 14-64, msys2)
1537B	Bad Boy	900	C++23 (GCC 14-64, msys2)
1543A	Exciting Bets	900	C++23 (GCC 14-64, msys2)
1559A	Mocha and Math	900	C++23 (GCC 14-64, msys2)
1582B	Luntik and Subsequences	900	C++23 (GCC 14-64, msys2)
1593B	Make it Divisible by 25	900	C++23 (GCC 14-64, msys2)
1607B	Odd Grasshopper	900	C++23 (GCC 14-64, msys2)
1624B	Make AP	900	C++23 (GCC 14-64, msys2)
1679A	AvtoBus	900	C++23 (GCC 14-64, msys2)
1726A	Mainak and Array	900	C++23 (GCC 14-64, msys2)
1777A	Everybody Likes Good Arrays!	800	C++23 (GCC 14-64, msys2)
1783A	Make it Beautiful	800	C++23 (GCC 14-64, msys2)
1788A	One and Two	800	C++23 (GCC 14-64, msys2)
1789A	Serval and Mocha's Array	800	C++23 (GCC 14-64, msys2)
1794B	Not Dividing	900	C++23 (GCC 14-64, msys2)
1806A	Walking Master	800	C++23 (GCC 14-64, msys2)
1814A	Coins	800	C++23 (GCC 14-64, msys2)
1828B	Permutation Swap	900	C++23 (GCC 14-64, msys2)
1834A	Unit Array	800	C++23 (GCC 14-64, msys2)
1837A	Grasshopper on a Line	800	C++23 (GCC 14-64, msys2)
1845A	Forbidden Integer	800	C++23 (GCC 14-64, msys2)
1853A	Desorting	800	C++23 (GCC 14-64, msys2)
1855B	Longest Divisors Interval	900	C++23 (GCC 14-64, msys2)
1857A	Array Coloring	800	C++23 (GCC 14-64, msys2)
1858A	Buttons	800	C++23 (GCC 14-64, msys2)
1859A	United We Stand	800	C++23 (GCC 14-64, msys2)
1866A	Ambitious Kid	800	C++23 (GCC 14-64, msys2)
1873C	Target Practice	800	C++23 (GCC 14-64, msys2)
1877A	Goals of Victory	800	C++23 (GCC 14-64, msys2)
1878C	Vasilije in Cacak	900	C++23 (GCC 14-64, msys2)
1883C	Raspberries	1000	C++23 (GCC 14-64, msys2)
1899A	Game with Integers	800	C++23 (GCC 14-64, msys2)
1901A	Line Trip	800	C++23 (GCC 14-64, msys2)
2086A	Cloudberry Jam	800	C++17 (GCC 7-32)
2163C	Monopati	1500	C++23 (GCC 14-64, msys2)
2252B	Always Changing	Unrated	C++23 (GCC 14-64, msys2)

number theory

#	Problem	Difficulty	Solution
1471A	Strange Partition	900	C++23 (GCC 14-64, msys2)
1475A	Odd Divisor	900	C++23 (GCC 14-64, msys2)
1543A	Exciting Bets	900	C++23 (GCC 14-64, msys2)
1679A	AvtoBus	900	C++23 (GCC 14-64, msys2)
1789A	Serval and Mocha's Array	800	C++23 (GCC 14-64, msys2)
1828B	Permutation Swap	900	C++23 (GCC 14-64, msys2)
1845A	Forbidden Integer	800	C++23 (GCC 14-64, msys2)
1855B	Longest Divisors Interval	900	C++23 (GCC 14-64, msys2)
1859A	United We Stand	800	C++23 (GCC 14-64, msys2)
1899A	Game with Integers	800	C++23 (GCC 14-64, msys2)

sortings

#	Problem	Difficulty	Solution
723A	The New Year: Meeting Friends	800	C++17 (GCC 7-32)
1300B	Assigning to Classes	1000	C++17 (GCC 7-32)
1665B	Array Cloning Technique	900	C++23 (GCC 14-64, msys2)
1783A	Make it Beautiful	800	C++23 (GCC 14-64, msys2)
1850D	Balanced Round	900	C++23 (GCC 14-64, msys2)
1896A	Jagged Swaps	800	C++23 (GCC 14-64, msys2)
1903A	Halloumi Boxes	800	C++23 (GCC 14-64, msys2)

strings

#	Problem	Difficulty	Solution
118A	String Task	1000	C++17 (GCC 7-32)
236A	Boy or Girl	800	C++17 (GCC 7-32)
785A	Anton and Polyhedrons	800	C++17 (GCC 7-32)
1606A	AB Balance	900	C++23 (GCC 14-64, msys2)
1881A	Don't Try to Count	800	C++23 (GCC 14-64, msys2)
1883B	Chemistry	900	C++23 (GCC 14-64, msys2)
1900A	Cover in Water	800	C++23 (GCC 14-64, msys2)
1913B	Swap and Delete	1000	C++23 (GCC 14-64, msys2)
2252B	Always Changing	Unrated	C++23 (GCC 14-64, msys2)

two pointers

#	Problem	Difficulty	Solution
1791C	Prepend and Append	800	C++23 (GCC 14-64, msys2)
2163C	Monopati	1500	C++23 (GCC 14-64, msys2)

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