Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x10321
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x11285
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x12183
1902A	Binary Imbalance constructive algorithms	800	x19713
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x10633
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21700
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x6627
1898C	Colorful Grid constructive algorithms	1700	x4886
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x299
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x648
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x8572
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5552
1894B	Two Out of Three constructive algorithms	1000	x14675
1893D	Colorful Constructive constructive algorithms, data structures, greedy	2600	x815
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8051
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x11221
1891A	Sorting with Twos constructive algorithms, sortings	800	x18331
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16616
1890A	Doremy's Paint 3 constructive algorithms	800	x21301
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x6722
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11976
1887F	Minimum Segments constructive algorithms	3400	x112
1887E	Good Colorings binary search, constructive algorithms, graphs, interactive	3100	x329
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1568
1886E	I Wanna be the Team Leader bitmasks, constructive algorithms, dp, greedy, math, sortings, two pointers	2400	x1328
1886A	Sum of Three brute force, constructive algorithms, math	800	x24478
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x281
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x954
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14232
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1181
1879B	Chips on the Board constructive algorithms, greedy	900	x21110
1878B	Aleksa and Stack constructive algorithms, math	800	x29787
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x224
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2133
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11628
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18463
1869A	Make It Zero constructive algorithms	900	x18475
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x73
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x244
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2269
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6423
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11134
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x399
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x2973
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3504
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5322
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10520
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15802
1867A	green_gold_dog, array and permutation constructive algorithms, sortings	800	x19174
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x252
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6316
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12560
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14735
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19742
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x69
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8907
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9556
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15974
1862B	Sequence Game constructive algorithms	800	x28534
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20033
1861A	Prime Deletion constructive algorithms, math	800	x23070
1860A	Not a Substring constructive algorithms, strings	900	x20762
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24184
1859A	United We Stand constructive algorithms, math, number theory	800	x29169
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21888
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x379
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6662
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13319
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x157
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x426
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4129
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28585
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7727
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2866
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18286
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17910
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24495
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x638
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x368
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x737
1844E	Great Grids 2-sat, constructive algorithms, dfs and similar, dsu, graphs	2400	x1683
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11595
1844B	Permutations & Primes constructive algorithms, math	1000	x17421
1844A	Subtraction Game constructive algorithms, games	800	x23842
1842D	Tenzing and His Animal Friends constructive algorithms, graphs, greedy	1900	x3916
1841A	Game with Board constructive algorithms, games	800	x24196
1840G2	In Search of Truth (Hard Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2500	x894
1840G1	In Search of Truth (Easy Version) constructive algorithms, interactive, math, meet-in-the-middle, probabilities	2200	x2218
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1155
1839C	Insert Zero and Invert Prefix constructive algorithms	1300	x11347
1838F	Stuck Conveyor binary search, constructive algorithms, interactive	3000	x297
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x13412
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15803
1838A	Blackboard List constructive algorithms, math	800	x21044
1837D	Bracket Coloring constructive algorithms, greedy	1400	x13281
1837C	Best Binary String constructive algorithms, greedy	1000	x21076
1837A	Grasshopper on a Line constructive algorithms, math	800	x29028
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x937
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4925
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6652