Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x4631
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x7612
1477D	Nezzar and Hidden Permutations constructive algorithms, dfs and similar, graphs	2800	x840
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2684
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x6707
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x46668
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x6110
1474E	What Is It? constructive algorithms, greedy	2500	x1551
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x14665
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x44539
1473C	No More Inversions constructive algorithms, math	1500	x13570
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x4347
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1489
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x10393
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x30611
1468H	K and Medians constructive algorithms, greedy, math	2200	x2073
1467C	Three Bags constructive algorithms, greedy	1900	x6897
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x25511
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1811
1463D	Pairs binary search, constructive algorithms, greedy, two pointers	1900	x4995
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x21568
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x692
1461A	String Generation constructive algorithms, greedy	800	x19069
1455E	Four Points brute force, constructive algorithms, flows, geometry, greedy, implementation, math, ternary search	2400	x1712
1455C	Ping-pong constructive algorithms, games, math	1100	x20678
1455B	Jumps constructive algorithms, math	1200	x23696
1454D	Number into Sequence constructive algorithms, math, number theory	1300	x22822
1454A	Special Permutation constructive algorithms, probabilities	800	x45153
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4505
1453B	Suffix Operations constructive algorithms, implementation	1400	x14272
1452F	Divide Powers constructive algorithms, greedy	2900	x416
1451F	Nullify The Matrix constructive algorithms, games	2700	x1321
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x4052
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x5688
1450F	The Struggling Contestant constructive algorithms, greedy	2400	x1507
1450E	Capitalism constructive algorithms, dfs and similar, graphs, shortest paths	2700	x1643
1450C2	Errich-Tac-Toe (Hard Version) constructive algorithms, math	2300	x4550
1450C1	Errich-Tac-Toe (Easy Version) constructive algorithms, math	2100	x6085
1450A	Avoid Trygub constructive algorithms, sortings	800	x18609
1447A	Add Candies constructive algorithms, math	800	x14527
1446E	Long Recovery constructive algorithms, dfs and similar	3500	x132
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x18368
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x710
1443A	Kids Seating constructive algorithms, math	800	x16778
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x849
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x9951
1439B	Graph Subset Problem constructive algorithms, data structures, graphs	2600	x1709
1439A2	Binary Table (Hard Version) constructive algorithms, graphs, greedy, implementation	1900	x5463
1439A1	Binary Table (Easy Version) constructive algorithms, implementation	1500	x9870
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x1525
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x4725
1438C	Engineer Artem 2-sat, chinese remainder theorem, constructive algorithms, fft, flows	2000	x12034
1438B	Valerii Against Everyone constructive algorithms, data structures, greedy, sortings	1000	x32451
1438A	Specific Tastes of Andre constructive algorithms, implementation	800	x19853
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x4127
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x21258
1437A	Marketing Scheme brute force, constructive algorithms, greedy, math	800	x18549
1436B	Prime Square constructive algorithms, math	900	x21925
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x33273
1433C	Dominant Piranha constructive algorithms, greedy	900	x29142
1430C	Numbers on Whiteboard constructive algorithms, data structures, greedy, implementation, math	1000	x29457
1430A	Number of Apartments brute force, constructive algorithms, math	900	x22066
1428D	Bouncing Boomerangs constructive algorithms, greedy, implementation	1900	x4777
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1764
1427D	Unshuffling a Deck constructive algorithms, implementation	2000	x3769
1426E	Rock, Paper, Scissors brute force, constructive algorithms, flows, greedy, math	1800	x8335
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x18022
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x20895
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4464
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x926
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4453
1421C	Palindromifier constructive algorithms, strings	1400	x13692
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x13541
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x19424
1419E	Decryption constructive algorithms, implementation, math, number theory	2100	x3568
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x17799
1419D1	Sage's Birthday (easy version) binary search, constructive algorithms, greedy, sortings	1000	x26845
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x17180
1416B	Make Them Equal constructive algorithms, greedy, math	2000	x6839
1415E	New Game Plus! constructive algorithms, greedy, math	2200	x3085
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x6332
1413A	Finding Sasuke constructive algorithms, math	800	x15353
1408F	Two Different constructive algorithms, divide and conquer	2300	x2811
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x10549
1408A	Circle Coloring constructive algorithms	800	x12858
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x2036
1407C	Chocolate Bunny constructive algorithms, interactive, math, two pointers	1600	x15702
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x21673
1406D	Three Sequences constructive algorithms, data structures, greedy, math	2200	x3897
1406C	Link Cut Centroids constructive algorithms, dfs and similar, graphs, trees	1700	x12401
1405B	Array Cancellation constructive algorithms, implementation	1000	x23558
1405A	Permutation Forgery constructive algorithms	800	x22025
1404D	Game of Pairs constructive algorithms, dfs and similar, interactive, math, number theory	2800	x1325
1404C	Fixed Point Removal binary search, constructive algorithms, data structures, greedy, two pointers	2300	x3173
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x27696
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x21960
1401A	Distance and Axis constructive algorithms, math	900	x28991
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x18780
1400A	String Similarity constructive algorithms, strings	800	x28173
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x20291

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