Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1316C	Primitive Primes constructive algorithms, math, ternary search	1800	x7026
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7010
1334D	Minimum Euler Cycle constructive algorithms, graphs, greedy, implementation	1800	x6978
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6878
1758D	Range = √Sum binary search, brute force, constructive algorithms, math, two pointers	1800	x6850
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6841
1768D	Lucky Permutation constructive algorithms, dfs and similar, graphs, greedy	1800	x6678
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6678
1556D	Take a Guess bitmasks, constructive algorithms, interactive, math	1800	x6476
1648B	Integral Array brute force, constructive algorithms, data structures, math	1800	x6180
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6156
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6091
1187C	Vasya And Array constructive algorithms, greedy, implementation	1800	x6072
1304D	Shortest and Longest LIS constructive algorithms, graphs, greedy, two pointers	1800	x6069
1809D	Binary String Sorting constructive algorithms, greedy	1800	x5873
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5838
1208C	Magic Grid constructive algorithms	1800	x5778
1552C	Maximize the Intersections combinatorics, constructive algorithms, geometry, greedy, sortings	1800	x5768
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x5760
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5662
600C	Make Palindrome constructive algorithms, greedy, strings	1800	x5639
1630B	Range and Partition binary search, constructive algorithms, data structures, greedy, two pointers	1800	x5497
1691D	Max GEQ Sum binary search, constructive algorithms, data structures, divide and conquer, implementation, two pointers	1800	x5464
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x5435
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5322
1151C	Problem for Nazar constructive algorithms, math	1800	x5249
1583D	Omkar and the Meaning of Life constructive algorithms, greedy, interactive	1800	x5226
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4925
1290B	Irreducible Anagrams binary search, constructive algorithms, data structures, strings, two pointers	1800	x4917
1780D	Bit Guessing Game binary search, bitmasks, constructive algorithms, interactive	1800	x4635
1617D1	Too Many Impostors (easy version) constructive algorithms, implementation, interactive	1800	x4524
1016D	Vasya And The Matrix constructive algorithms, flows, math	1800	x4424
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x4409
1286B	Numbers on Tree constructive algorithms, data structures, dfs and similar, graphs, greedy, trees	1800	x4383
894B	Ralph And His Magic Field combinatorics, constructive algorithms, math, number theory	1800	x4373
623A	Graph and String constructive algorithms, graphs	1800	x4356
1965B	Missing Subsequence Sum bitmasks, constructive algorithms, greedy, number theory	1800	x4333
1179B	Tolik and His Uncle constructive algorithms	1800	x4298
1109B	Sasha and One More Name constructive algorithms, hashing, strings	1800	x4264
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4129
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4101
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x3830
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x3777
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3759
989C	A Mist of Florescence constructive algorithms, graphs	1800	x3655
1082D	Maximum Diameter Graph constructive algorithms, graphs, implementation	1800	x3544
1196E	Connected Component on a Chessboard constructive algorithms, implementation	1800	x3513
827B	High Load constructive algorithms, greedy, implementation, trees	1800	x3435
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3296
663A	Rebus constructive algorithms, expression parsing, greedy, math	1800	x3249
665D	Simple Subset constructive algorithms, greedy, number theory	1800	x3201
1666C	Connect the Points brute force, constructive algorithms, geometry	1800	x3078
301A	Yaroslav and Sequence constructive algorithms	1800	x3039
873D	Merge Sort constructive algorithms, divide and conquer	1800	x2994
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2866
1267L	Lexicography constructive algorithms, strings	1800	x2847
641C	Little Artem and Dance brute force, constructive algorithms, implementation	1800	x2841
610C	Harmony Analysis constructive algorithms	1800	x2782
899D	Shovel Sale constructive algorithms, math	1800	x2681
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2561
1725H	Hot Black Hot White constructive algorithms, math	1800	x2498
538D	Weird Chess brute force, constructive algorithms, implementation	1800	x2406
730B	Minimum and Maximum constructive algorithms, interactive	1800	x2375
141C	Queue constructive algorithms, greedy, sortings	1800	x2367
847C	Sum of Nestings constructive algorithms	1800	x2330
533E	Correcting Mistakes constructive algorithms, dp, greedy, hashing, strings, two pointers	1800	x2170
145B	Lucky Number 2 constructive algorithms	1800	x2149
142B	Help General constructive algorithms, greedy, implementation	1800	x2132
1090D	Similar Arrays constructive algorithms	1800	x1985
452B	4-point polyline brute force, constructive algorithms, geometry, trees	1800	x1977
727D	T-shirts Distribution constructive algorithms, flows, greedy	1800	x1798
370C	Mittens constructive algorithms, greedy, sortings	1800	x1501
238B	Boring Partition constructive algorithms	1800	x1265
883K	Road Widening constructive algorithms, greedy, implementation	1800	x1071
45J	Planting Trees constructive algorithms	1800	x886
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x318
5C	Longest Regular Bracket Sequence constructive algorithms, data structures, dp, greedy, sortings, strings	1900	x12649
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x8720
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8483
1620E	Replace the Numbers constructive algorithms, data structures, dsu, implementation	1900	x7756
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x7527
1365E	Maximum Subsequence Value brute force, constructive algorithms	1900	x7492
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x7375
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x6744
1854A2	Dual (Hard Version) constructive algorithms, math	1900	x6662
1656D	K-good constructive algorithms, math, number theory	1900	x6590
1467C	Three Bags constructive algorithms, greedy	1900	x6202
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6066
1508A	Binary Literature constructive algorithms, greedy, implementation, strings, two pointers	1900	x5993
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x5924
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5906
1342D	Multiple Testcases binary search, constructive algorithms, data structures, greedy, sortings, two pointers	1900	x5829
1264B	Beautiful Sequence brute force, constructive algorithms, greedy	1900	x5580
1895D	XOR Construction bitmasks, constructive algorithms, data structures, math, string suffix structures, trees	1900	x5552
1696D	Permutation Graph binary search, constructive algorithms, data structures, divide and conquer, greedy, shortest paths	1900	x5167
1647D	Madoka and the Best School in Russia constructive algorithms, dp, math, number theory	1900	x5105
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5070
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x4966
1439A2	Binary Table (Hard Version) constructive algorithms, graphs, greedy, implementation	1900	x4948
1213E	Two Small Strings brute force, constructive algorithms	1900	x4913