Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round #956 (Div. 2) and ByteRace 2024
00:14:29
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
1984A	Strange Splitting constructive algorithms	800	x18768
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x22118
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x15972
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x17021
1969A	Two Friends constructive algorithms, implementation, math	800	x18481
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x22521
1966B	Rectangle Filling constructive algorithms, implementation	1100	x13620
1966A	Card Exchange constructive algorithms, games, greedy	800	x16538
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x16650
1957A	Stickogon constructive algorithms, greedy	800	x21827
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x25763
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x22290
1951A	Dual Trigger constructive algorithms, greedy, math	900	x18252
1948A	Special Characters brute force, constructive algorithms	800	x27363
1944B	Equal XOR bitmasks, constructive algorithms	1100	x15258
1942B	Bessie and MEX constructive algorithms, math	1100	x13087
1942A	Farmer John's Challenge constructive algorithms, math	800	x16491
1935A	Entertainment in MAC constructive algorithms, strings	800	x26609
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14338
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24419
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x30127
1927B	Following the String constructive algorithms, greedy, strings	900	x31511
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27872
1922A	Tricky Template constructive algorithms, implementation, strings	800	x26356
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22807
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29364
1917A	Least Product constructive algorithms, math	800	x24706
1916B	Two Divisors constructive algorithms, math, number theory	1000	x24505
1916A	2023 constructive algorithms, implementation, math, number theory	800	x25045
1914B	Preparing for the Contest constructive algorithms, math	800	x29260
1905A	Constructive Problems constructive algorithms, math	800	x22304
1902A	Binary Imbalance constructive algorithms	800	x20252
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x23886
1894B	Two Out of Three constructive algorithms	1000	x15200
1891A	Sorting with Twos constructive algorithms, sortings	800	x18778
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x17037
1890A	Doremy's Paint 3 constructive algorithms	800	x23588
1886A	Sum of Three brute force, constructive algorithms, math	800	x25097
1879B	Chips on the Board constructive algorithms, greedy	900	x21744
1878B	Aleksa and Stack constructive algorithms, math	800	x30632
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18761
1869A	Make It Zero constructive algorithms	900	x19852
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x16303
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19608
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15011
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20004
1862B	Sequence Game constructive algorithms	800	x30074
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20725
1861A	Prime Deletion constructive algorithms, math	800	x23494
1860A	Not a Substring constructive algorithms, strings	900	x21225
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25406
1859A	United We Stand constructive algorithms, math, number theory	800	x30495
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22434
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29064
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x25661
1844B	Permutations & Primes constructive algorithms, math	1000	x17755
1844A	Subtraction Game constructive algorithms, games	800	x24172
1841A	Game with Board constructive algorithms, games	800	x24447
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x16065
1838A	Blackboard List constructive algorithms, math	800	x21265
1837C	Best Binary String constructive algorithms, greedy	1000	x21480
1837A	Grasshopper on a Line constructive algorithms, math	800	x30452
1831B	Array merging constructive algorithms, greedy	1000	x19441
1831A	Twin Permutations constructive algorithms	800	x25243
1828A	Divisible Array constructive algorithms, math	800	x23265
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15938
1818B	Indivisible constructive algorithms	900	x14427
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x14951
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17083
1811C	Restore the Array constructive algorithms, greedy	1100	x19245
1810B	Candies constructive algorithms, math, number theory	800	x17288
1806B	Mex Master constructive algorithms, greedy	900	x17328
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x15161
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17130
1794B	Not Dividing constructive algorithms, greedy, math	900	x20677
1793B	Fedya and Array constructive algorithms, math	1100	x15498
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19584
1787A	Exponential Equation constructive algorithms, math	800	x18919
1783B	Matrix of Differences constructive algorithms, math	1100	x17475
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x28426
1780A	Hayato and School constructive algorithms, greedy	800	x21260
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x23217
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x22986
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18450
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19436
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22186
1773F	Football constructive algorithms	800	x4014
1772C	Different Differences constructive algorithms, greedy, math	1000	x23055
1770B	Koxia and Permutation constructive algorithms	1000	x19179
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15509
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16625
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13179
1761A	Two Permutations brute force, constructive algorithms	800	x18179
1758B	XOR = Average constructive algorithms	900	x20781
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24890
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18717
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16925
1747B	BAN BAN constructive algorithms	900	x22440
1747A	Two Groups constructive algorithms, greedy	800	x24630
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16982

←