Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x23591
1916B	Two Divisors constructive algorithms, math, number theory	1000	x23584
1955B	Progressive Square constructive algorithms, data structures, implementation, sortings	1000	x23532
680B	Bear and Finding Criminals constructive algorithms, implementation	1000	x23408
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x23319
1772C	Different Differences constructive algorithms, greedy, math	1000	x22675
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21937
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21249
1837C	Best Binary String constructive algorithms, greedy	1000	x21095
798A	Mike and palindrome brute force, constructive algorithms, strings	1000	x21057
1405B	Array Cancellation constructive algorithms, implementation	1000	x21013
1579E1	Permutation Minimization by Deque constructive algorithms, greedy, math	1000	x20887
1632B	Roof Construction bitmasks, constructive algorithms	1000	x20840
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20728
1715B	Beautiful Array constructive algorithms, greedy, math	1000	x20103
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x20075
1562B	Scenes From a Memory brute force, constructive algorithms, implementation, math, number theory	1000	x19168
1770B	Koxia and Permutation constructive algorithms	1000	x19013
1569B	Chess Tournament constructive algorithms	1000	x18574
1831B	Array merging constructive algorithms, greedy	1000	x18459
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x18433
1634C	OKEA constructive algorithms	1000	x17937
1611C	Polycarp Recovers the Permutation constructive algorithms	1000	x17937
1614B	Divan and a New Project constructive algorithms, sortings	1000	x17862
1844B	Permutations & Primes constructive algorithms, math	1000	x17435
1174A	Ehab Fails to Be Thanos constructive algorithms, greedy, sortings	1000	x17203
672B	Different is Good constructive algorithms, implementation, strings	1000	x17056
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x17010
1968C	Assembly via Remainders constructive algorithms, number theory	1000	x16970
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x16957
805B	3-palindrome constructive algorithms	1000	x16181
804A	Find Amir constructive algorithms, greedy, math	1000	x15185
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x14952
1265A	Beautiful String constructive algorithms, greedy	1000	x14768
1894B	Two Out of Three constructive algorithms	1000	x14697
1816B	Grid Reconstruction constructive algorithms, greedy	1000	x14695
1732A	Bestie brute force, combinatorics, constructive algorithms, implementation, math, number theory	1000	x14412
1266B	Dice Tower constructive algorithms, math	1000	x14335
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14329
1930B	Permutation Printing brute force, constructive algorithms, math	1000	x13570
1761B	Elimination of a Ring constructive algorithms, greedy, implementation	1000	x13001
1969B	Shifts and Sorting constructive algorithms, greedy	1000	x12994
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11529
777A	Shell Game constructive algorithms, implementation, math	1000	x10037
779A	Pupils Redistribution constructive algorithms, math	1000	x9218
998A	Balloons constructive algorithms, implementation	1000	x9185
359A	Table constructive algorithms, greedy, implementation	1000	x8376
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x5312
644A	Parliament of Berland *special problem, constructive algorithms	1000	x4378
491A	Up the hill constructive algorithms, implementation	1000	x2821
649A	Любимые числа Поликарпа constructive algorithms, implementation	1000	x1095
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x35923
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x31693
1624C	Division by Two and Permutation constructive algorithms, flows, graph matchings, greedy, math	1100	x24017
1342B	Binary Period constructive algorithms, strings	1100	x23145
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23093
1511B	GCD Length constructive algorithms, math, number theory	1100	x21958
300A	Array brute force, constructive algorithms, implementation	1100	x21887
1739B	Array Recovery constructive algorithms, greedy, math	1100	x21406
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x20733
682A	Alyona and Numbers constructive algorithms, math, number theory	1100	x20487
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20075
1708B	Difference of GCDs constructive algorithms, math	1100	x19507
1729C	Jumping on Tiles constructive algorithms, strings	1100	x19423
1788B	Sum of Two Numbers constructive algorithms, greedy, implementation, math, probabilities	1100	x19244
1455C	Ping-pong constructive algorithms, games, math	1100	x19227
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19019
1811C	Restore the Array constructive algorithms, greedy	1100	x18878
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18644
1700B	Palindromic Numbers constructive algorithms, implementation, math	1100	x18251
1375A	Sign Flipping constructive algorithms, math	1100	x18035
1304B	Longest Palindrome brute force, constructive algorithms, greedy, implementation, strings	1100	x17434
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17215
1783B	Matrix of Differences constructive algorithms, math	1100	x17158
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16482
1762B	Make Array Good constructive algorithms, implementation, number theory, sortings	1100	x16186
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15827
1838B	Minimize Permutation Subarrays constructive algorithms, math	1100	x15820
1395B	Boboniu Plays Chess constructive algorithms	1100	x15779
1793B	Fedya and Array constructive algorithms, math	1100	x15225
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14741
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x14645
1797B	Li Hua and Pattern constructive algorithms, greedy	1100	x14511
1957B	A BIT of a Construction bitmasks, constructive algorithms, greedy, implementation	1100	x14490
1717B	Madoka and Underground Competitions constructive algorithms, implementation	1100	x14485
1944B	Equal XOR bitmasks, constructive algorithms	1100	x14172
1602B	Divine Array constructive algorithms, implementation	1100	x13845
1038B	Non-Coprime Partition constructive algorithms, math	1100	x13103
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x12919
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x12878
1942B	Bessie and MEX constructive algorithms, math	1100	x12176
534A	Exam constructive algorithms, implementation, math	1100	x12021
1523B	Lord of the Values constructive algorithms	1100	x11962
1221B	Knights constructive algorithms, greedy	1100	x11615
1166B	All the Vowels Please constructive algorithms, math, number theory	1100	x11255
225A	Dice Tower constructive algorithms, greedy	1100	x11083
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x10982
1966B	Rectangle Filling constructive algorithms, implementation	1100	x10637
110B	Lucky String constructive algorithms, strings	1100	x9948
355A	Vasya and Digital Root constructive algorithms, implementation	1100	x9263