Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1992C	Gorilla and Permutation constructive algorithms, math	900	x23573
1992A	Only Pluses brute force, constructive algorithms, greedy, math, sortings	800	x31911
1984A	Strange Splitting constructive algorithms	800	x19276
1983A	Array Divisibility constructive algorithms, math	800	x22545
1978A	Alice and Books constructive algorithms, greedy, sortings	800	x22890
1977B	Binary Colouring bitmasks, constructive algorithms, greedy, math	1100	x16227
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x17214
1969A	Two Friends constructive algorithms, implementation, math	800	x18650
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x22885
1966B	Rectangle Filling constructive algorithms, implementation	1100	x13787
1966A	Card Exchange constructive algorithms, games, greedy	800	x16694
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x16787
1957A	Stickogon constructive algorithms, greedy	800	x21999
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x26009
1954A	Painting the Ribbon constructive algorithms, greedy, math	900	x22477
1951A	Dual Trigger constructive algorithms, greedy, math	900	x18407
1948A	Special Characters brute force, constructive algorithms	800	x27476
1944B	Equal XOR bitmasks, constructive algorithms	1100	x15364
1942B	Bessie and MEX constructive algorithms, math	1100	x13176
1942A	Farmer John's Challenge constructive algorithms, math	800	x16599
1935A	Entertainment in MAC constructive algorithms, strings	800	x26732
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x14420
1929B	Sasha and the Drawing constructive algorithms, greedy, math	800	x24512
1929A	Sasha and the Beautiful Array constructive algorithms, greedy, math, sortings	800	x30265
1927B	Following the String constructive algorithms, greedy, strings	900	x31685
1925A	We Got Everything Covered! constructive algorithms, greedy, strings	800	x27970
1922A	Tricky Template constructive algorithms, implementation, strings	800	x26411
1918B	Minimize Inversions constructive algorithms, data structures, greedy, implementation, sortings	900	x22917
1918A	Brick Wall constructive algorithms, greedy, implementation, math	800	x29441
1917A	Least Product constructive algorithms, math	800	x24785
1916B	Two Divisors constructive algorithms, math, number theory	1000	x24630
1916A	2023 constructive algorithms, implementation, math, number theory	800	x25092
1914B	Preparing for the Contest constructive algorithms, math	800	x29400
1905A	Constructive Problems constructive algorithms, math	800	x22374
1902A	Binary Imbalance constructive algorithms	800	x20383
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x24164
1894B	Two Out of Three constructive algorithms	1000	x15270
1891A	Sorting with Twos constructive algorithms, sortings	800	x18831
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x17093
1890A	Doremy's Paint 3 constructive algorithms	800	x23821
1886A	Sum of Three brute force, constructive algorithms, math	800	x25212
1879B	Chips on the Board constructive algorithms, greedy	900	x21820
1878B	Aleksa and Stack constructive algorithms, math	800	x30741
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18796
1869A	Make It Zero constructive algorithms	900	x20003
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x16353
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19650
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x15053
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x20039
1862B	Sequence Game constructive algorithms	800	x30251
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20807
1861A	Prime Deletion constructive algorithms, math	800	x23552
1860A	Not a Substring constructive algorithms, strings	900	x21270
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x25592
1859A	United We Stand constructive algorithms, math, number theory	800	x30663
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x22511
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x29136
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x25798
1844B	Permutations & Primes constructive algorithms, math	1000	x17799
1844A	Subtraction Game constructive algorithms, games	800	x24220
1841A	Game with Board constructive algorithms, games	800	x24473
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x16091
1838A	Blackboard List constructive algorithms, math	800	x21289
1837C	Best Binary String constructive algorithms, greedy	1000	x21537
1837A	Grasshopper on a Line constructive algorithms, math	800	x30614
1831B	Array merging constructive algorithms, greedy	1000	x19551
1831A	Twin Permutations constructive algorithms	800	x25373
1828A	Divisible Array constructive algorithms, math	800	x23352
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15958
1818B	Indivisible constructive algorithms	900	x14490
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x14988
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x17106
1811C	Restore the Array constructive algorithms, greedy	1100	x19313
1810B	Candies constructive algorithms, math, number theory	800	x17304
1806B	Mex Master constructive algorithms, greedy	900	x17365
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x15261
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x17173
1794B	Not Dividing constructive algorithms, greedy, math	900	x20839
1793B	Fedya and Array constructive algorithms, math	1100	x15531
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19637
1787A	Exponential Equation constructive algorithms, math	800	x18943
1783B	Matrix of Differences constructive algorithms, math	1100	x17512
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x28576
1780A	Hayato and School constructive algorithms, greedy	800	x21284
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x23253
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x23010
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18472
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x19452
1774A	Add Plus Minus Sign constructive algorithms, math	800	x22212
1773F	Football constructive algorithms	800	x4021
1772C	Different Differences constructive algorithms, greedy, math	1000	x23180
1770B	Koxia and Permutation constructive algorithms	1000	x19204
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15533
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16669
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13198
1761A	Two Permutations brute force, constructive algorithms	800	x18290
1758B	XOR = Average constructive algorithms	900	x20848
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x24917
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18729
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16937

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