Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round #850 (Div. 1, based on VK Cup 2022 - Final Round)
22:57:43
Register now »

*has extra registration

Before contest
Codeforces Round #850 (Div. 2, based on VK Cup 2022 - Final Round)
22:57:43
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

constructive algorithms

Add tag

Problems

#	Name
1790G	Tokens on Graph constructive algorithms, dfs and similar, graphs, shortest paths		x543
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms		x8178
1787F	Inverse Transformation constructive algorithms, implementation, math	2500	x438
1787E	The Harmonization of XOR bitmasks, constructive algorithms, greedy, math	2100	x1365
1787A	Exponential Equation constructive algorithms, math	800	x14444
1783B	Matrix of Differences constructive algorithms, math	1100	x13919
1783A	Make it Beautiful constructive algorithms, math, sortings	800	x21357
1781G	Diverse Coloring constructive algorithms, trees	3200	x113
1781C	Equal Frequencies brute force, constructive algorithms, greedy, implementation, sortings, strings	1600	x4920
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive		x3035
1780A	Hayato and School constructive algorithms, greedy		x17189
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x205
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x943
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1338
1779D	Boris and His Amazing Haircut constructive algorithms, data structures, dp, dsu, greedy, sortings	1700	x5461
1779B	MKnez's ConstructiveForces Task constructive algorithms, math	900	x18528
1779A	Hall of Fame constructive algorithms, greedy, strings	800	x20411
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x532
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x9032
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x14417
1775A1	Gardener and the Capybaras (easy version) brute force, constructive algorithms, implementation	800	x15815
1774H	Maximum Permutation constructive algorithms	3500	x95
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x174
1774D	Same Count One brute force, constructive algorithms, greedy, implementation, two pointers	1600	x5430
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x8935
1774B	Coloring constructive algorithms, greedy, math	1500	x8291
1774A	Add Plus Minus Sign constructive algorithms, math	800	x19228
1773K	King's Puzzle constructive algorithms	1900	x973
1773J	Jumbled Trees constructive algorithms, math	2900	x57
1773F	Football constructive algorithms	800	x2840
1773A	Amazing Trick constructive algorithms, graph matchings, math, probabilities	1900	x969
1772F	Copy of a Copy of a Copy constructive algorithms, dfs and similar, graphs, implementation, sortings	2000	x1457
1772D	Absolute Sorting constructive algorithms, math	1400	x9285
1772C	Different Differences constructive algorithms, greedy, math	1000	x17061
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x8727
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x57
1770D	Koxia and Game constructive algorithms, data structures, dfs and similar, dsu, flows, games, graph matchings, graphs, implementation	2000	x2907
1770B	Koxia and Permutation constructive algorithms	1000	x16046
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x4864
1768C	Elemental Decompress constructive algorithms, greedy, implementation, sortings	1300	x10219
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x7082
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x224
1765D	Watch the Videos binary search, constructive algorithms, two pointers	1700	x2434
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x690
1763C	Another Array Problem brute force, constructive algorithms, greedy	2000	x4867
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x13187
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x49
1762D	GCD Queries constructive algorithms, interactive, number theory	2100	x2456
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x12865
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1332
1761C	Set Construction constructive algorithms, dfs and similar, graphs, greedy	1400	x6881
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x10690
1761A	Two Permutations brute force, constructive algorithms	800	x13486
1759G	Restore the Permutation binary search, constructive algorithms, data structures, greedy, math	1900	x3000
1758F	Decent Division constructive algorithms, data structures	3000	x95
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x4906
1758B	XOR = Average constructive algorithms	900	x16125
1758A	SSeeeeiinngg DDoouubbllee constructive algorithms, strings	800	x20355
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x16679
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1191
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x7646
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x11395
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x43
1750C	Complementary XOR constructive algorithms, implementation	1400	x7530
1750A	Indirect Sort constructive algorithms, implementation, math	800	x15125
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1219
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x247
1748D	ConstructOR bitmasks, chinese remainder theorem, combinatorics, constructive algorithms, math, number theory	2100	x2178
1747D	Yet Another Problem binary search, bitmasks, constructive algorithms, data structures	1900	x3627
1747B	BAN BAN constructive algorithms	900	x17948
1747A	Two Groups constructive algorithms, greedy	800	x21504
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1103
1746C	Permutation Operations constructive algorithms, greedy, implementation, math	1300	x9911
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x14822
1746A	Maxmina constructive algorithms, greedy	800	x17897
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x178
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x15708
1743B	Permutation Value constructive algorithms, greedy	800	x19772
1742F	Smaller constructive algorithms, greedy, strings	1500	x7620
1741B	Funny Permutation constructive algorithms, math	800	x21592
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x133
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x3127
1740D	Knowledge Cards constructive algorithms, data structures	1500	x6086
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x8355
1740A	Factorise N+M constructive algorithms, number theory	800	x16501
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x7126
1739B	Array Recovery constructive algorithms, greedy, math	1100	x17227
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x284
1738F	Connectivity Addicts constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees	2400	x958
1738D	Permutation Addicts constructive algorithms, data structures, dfs and similar, dsu, graphs, trees	1900	x2802
1738B	Prefix Sum Addicts constructive algorithms, greedy, math, sortings	1200	x11202
1737F	Ela and Prime GCD constructive algorithms, math, number theory	3300	x92
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x4651
1736D	Equal Binary Subsequences constructive algorithms, geometry, greedy, implementation, strings	2200	x1989
1735E	House Planning constructive algorithms, data structures, graph matchings, greedy	2400	x883
1735A	Working Week constructive algorithms, greedy, math	800	x18203
1734E	Rectangular Congruence constructive algorithms, number theory	2100	x2285
1734B	Bright, Nice, Brilliant constructive algorithms	800	x14399
1733E	Conveyor constructive algorithms, dp, math	2700	x869
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x10068

←