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constructive algorithms

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Problems

#	Name
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x341
1815C	Between constructive algorithms, dfs and similar, graphs, greedy	2200	x2456
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x3752
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x12760
1812J	Unmysterious Language *special problem, constructive algorithms, strings		x6333
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x4330
1812D	Trivial Conjecture *special problem, constructive algorithms, math, number theory		x4970
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x8876
1811C	Restore the Array constructive algorithms, greedy	1100	x22691
1810B	Candies constructive algorithms, math, number theory	800	x19103
1809D	Binary String Sorting constructive algorithms, greedy	1800	x7506
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x15701
1806C	Sequence Master brute force, constructive algorithms, math	1600	x8873
1806B	Mex Master constructive algorithms, greedy	900	x20113
1801A	The Very Beautiful Blanket bitmasks, constructive algorithms	1600	x9964
1800E2	Unforgivable Curse (hard version) brute force, constructive algorithms, dfs and similar, dsu, graphs, greedy, strings	1500	x15850
1800E1	Unforgivable Curse (easy version) brute force, constructive algorithms, dsu, graphs, greedy, strings	1400	x16150
1799E	City Union constructive algorithms, dfs and similar, dsu, geometry, greedy, implementation, math	2300	x1454
1799B	Equalize by Divide brute force, constructive algorithms, greedy, math	1200	x13047
1798D	Shocking Arrangement constructive algorithms, greedy, math	1600	x15440
1797C	Li Hua and Chess constructive algorithms, greedy, interactive	1600	x9201
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x27616
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x19977
1795F	Blocking Chips binary search, constructive algorithms, dfs and similar, greedy, trees	2400	x1445
1794B	Not Dividing constructive algorithms, greedy, math	900	x46030
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x37435
1793B	Fedya and Array constructive algorithms, math	1100	x17385
1790G	Tokens on Graph constructive algorithms, dfs and similar, graphs, shortest paths	2300	x1369
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x17853
1789D	Serval and Shift-Shift-Shift bitmasks, brute force, constructive algorithms, implementation	2200	x1982
1788F	XOR, Tree, and Queries bitmasks, constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, trees	2500	x1277
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x19841
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x22949
1787F	Inverse Transformation constructive algorithms, implementation, math	2500	x859
1787E	The Harmonization of XOR bitmasks, constructive algorithms, greedy, math	2100	x2841
1787A	Exponential Equation constructive algorithms, math	800	x20711
1784B	Letter Exchange constructive algorithms	1900	x3722
1783B	Matrix of Differences constructive algorithms, math	1100	x19602
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x56038
1781G	Diverse Coloring constructive algorithms, trees	3200	x326
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x11463
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x5998
1780A	Hayato and School constructive algorithms, greedy	800	x22869
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x468
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1487
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x2132
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x9254
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x25317
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x24193
1776G	Another Wine Tasting Event combinatorics, constructive algorithms, math, strings	2100	x2510
1776F	Train Splitting constructive algorithms, graphs, greedy	1700	x4322
1776D	Teamwork constructive algorithms, greedy, math	2800	x658
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x931
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x22999
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x20219
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x20545
1774H	Maximum Permutation constructive algorithms	3500	x164
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x717
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x9602
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x13483
1774B	Coloring constructive algorithms, greedy, math	1500	x14287
1774A	Add Plus Minus Sign constructive algorithms, math	800	x23848
1773K	King's Puzzle constructive algorithms	1900	x1752
1773J	Jumbled Trees constructive algorithms, math	2900	x163
1773F	Football constructive algorithms	800	x5004
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x2034
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x2938
1772D	Absolute Sorting constructive algorithms, math	1400	x19285
1772C	Different Differences constructive algorithms, greedy, math	1000	x26717
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x23669
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x179
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x4548
1770B	Koxia and Permutation constructive algorithms	1000	x21106
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x9562
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x15957
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x11462
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x511
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x5040
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x1294
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x8102
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x17274
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x164
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x4662
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x18929
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x2255
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x10891
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x14931
1761A	Two Permutations brute force, constructive algorithms	800	x43237
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x5768
1758F	Decent Division constructive algorithms, data structures	3000	x263
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x8860
1758B	XOR = Average constructive algorithms	900	x24453
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x27343
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x19832
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x2208
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x11891
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x16690
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x130
1750C	Complementary XOR constructive algorithms, implementation	1400	x10600
1750A	Indirect Sort constructive algorithms, implementation, math	800	x17958

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