Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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constructive algorithms

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Problems

#	Name
1922B	Forming Triangles combinatorics, constructive algorithms, math, sortings	1200	x18830
1811C	Restore the Array constructive algorithms, greedy	1100	x18812
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18693
1608A	Find Array constructive algorithms, math	800	x18678
1787A	Exponential Equation constructive algorithms, math	800	x18672
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x18648
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18608
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18602
1569B	Chess Tournament constructive algorithms	1000	x18549
1694B	Paranoid String constructive algorithms, greedy	1200	x18463
1754B	Kevin and Permutation constructive algorithms, greedy, math	800	x18457
1497B	M-arrays constructive algorithms, greedy, math	1200	x18452
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18435
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18434
1461A	String Generation constructive algorithms, greedy	800	x18384
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18362
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18353
1869A	Make It Zero constructive algorithms	900	x18350
1831B	Array merging constructive algorithms, greedy	1000	x18332
1891A	Sorting with Twos constructive algorithms, sortings	800	x18298
1719B	Mathematical Circus constructive algorithms, math	800	x18276
1846D	Rudolph and Christmas Tree constructive algorithms, geometry, math	1200	x18244
1775A2	Gardener and the Capybaras (hard version) constructive algorithms, greedy	900	x18243
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18223
1907C	Removal of Unattractive Pairs constructive algorithms, greedy, math, strings	1200	x18217
1375A	Sign Flipping constructive algorithms, math	1100	x18029
1793C	Dora and Search constructive algorithms, data structures, two pointers	1200	x18009
1634C	OKEA constructive algorithms	1000	x17921
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x17894
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17862
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17834
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x17813
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17796
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x17657
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x17624
538B	Quasi Binary constructive algorithms, dp, greedy, implementation	1400	x17569
1450A	Avoid Trygub constructive algorithms, sortings	800	x17470
1612A	Distance brute force, constructive algorithms	800	x17461
1933D	Turtle Tenacity: Continual Mods constructive algorithms, greedy, math, number theory, sortings	1200	x17456
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17424
1355D	Game With Array constructive algorithms, math	1400	x17399
1844B	Permutations & Primes constructive algorithms, math	1000	x17392
1372C	Omkar and Baseball constructive algorithms, math	1500	x17345
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x17305
1957A	Stickogon constructive algorithms, greedy		x17291
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x17187
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17166
1783B	Matrix of Differences constructive algorithms, math	1100	x17116
1810B	Candies constructive algorithms, math, number theory	800	x17111
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17095
672B	Different is Good constructive algorithms, implementation, strings	1000	x17039
1332B	Composite Coloring brute force, constructive algorithms, greedy, math, number theory	1400	x17009
1806B	Mex Master constructive algorithms, greedy	900	x17004
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x16990
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x16977
1816A	Ian Visits Mary constructive algorithms, geometry, number theory	800	x16907
1375B	Neighbor Grid constructive algorithms, greedy	1200	x16907
1797A	Li Hua and Maze constructive algorithms, flows, graphs, greedy, implementation	800	x16884
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x16866
1612B	Special Permutation constructive algorithms, greedy	900	x16859
1713C	Build Permutation constructive algorithms, dp, math	1200	x16782
1761A	Two Permutations brute force, constructive algorithms	800	x16744
1750A	Indirect Sort constructive algorithms, implementation, math	800	x16736
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x16703
1746B	Rebellion constructive algorithms, greedy, two pointers	800	x16699
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16578
1916C	Training Before the Olympiad constructive algorithms, games, greedy, implementation, math	1200	x16556
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16439
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x16436
1088A	Ehab and another construction problem brute force, constructive algorithms	800	x16419
1788C	Matching Numbers constructive algorithms, greedy, math	1300	x16391
670A	Holidays brute force, constructive algorithms, greedy, math	900	x16388
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x16387
330B	Road Construction constructive algorithms, graphs	1300	x16329
1635C	Differential Sorting constructive algorithms, greedy	1200	x16300
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16230
1935B	Informatics in MAC constructive algorithms	1200	x16171
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x16163
361A	Levko and Table constructive algorithms, implementation	800	x16159
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16151
1196B	Odd Sum Segments constructive algorithms, math	1200	x16105
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16093
1365D	Solve The Maze constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, shortest paths	1700	x16084
1603A	Di-visible Confusion constructive algorithms, math, number theory	1300	x16082
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16078
1443A	Kids Seating constructive algorithms, math	800	x16068
805B	3-palindrome constructive algorithms	1000	x16057
1334C	Circle of Monsters brute force, constructive algorithms, greedy, math	1600	x16030
1270B	Interesting Subarray constructive algorithms, greedy, math	1200	x15946
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x15941
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x15938
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x15920
1822D	Super-Permutation constructive algorithms, math	1200	x15837
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15775
1395B	Boboniu Plays Chess constructive algorithms	1100	x15771
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15770
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15762
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x15732
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15728
570B	Simple Game constructive algorithms, games, greedy, implementation, math	1300	x15726