Problemset - Codeforces

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constructive algorithms

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Problems

#	Name
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x847
1543E	The Final Pursuit bitmasks, constructive algorithms, divide and conquer, graphs, greedy, math	2700	x521
1543D2	RPD and Rap Sheet (Hard Version) brute force, constructive algorithms, interactive, math	2200	x2226
1543D1	RPD and Rap Sheet (Easy Version) bitmasks, constructive algorithms, interactive, math	1700	x8106
1542B	Plus and Multiply constructive algorithms, math, number theory	1500	x27395
1541A	Pretty Permutations constructive algorithms, greedy, implementation	800	x31002
1540A	Great Graphs constructive algorithms, graphs, greedy, shortest paths, sortings	1400	x15216
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x1124
1538D	Another Problem About Dividing Numbers constructive algorithms, math, number theory	1700	x15819
1537F	Figure Fixing constructive algorithms, dfs and similar, dsu, graphs, greedy, math	2200	x2924
1537C	Challenging Cliffs constructive algorithms, greedy, implementation, math	1200	x31120
1537B	Bad Boy constructive algorithms, greedy, math	900	x46884
1536F	Omkar and Akmar chinese remainder theorem, combinatorics, constructive algorithms, fft, games, geometry, math, meet-in-the-middle, string suffix structures	2600	x1257
1536B	Prinzessin der Verurteilung brute force, constructive algorithms, strings	1200	x27352
1536A	Omkar and Bad Story brute force, constructive algorithms	800	x20955
1534H	Lost Nodes constructive algorithms, dp, graphs, interactive, sortings, trees	3500	x424
1534D	Lost Tree constructive algorithms, interactive, trees	1800	x7068
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x63
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x98
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x663
1530G	What a Reversal constructive algorithms	3300	x190
1530E	Minimax constructive algorithms, greedy, strings	2100	x3429
1530D	Secret Santa constructive algorithms, flows, graphs, greedy, math	1600	x10355
1530B	Putting Plates constructive algorithms, implementation	800	x16371
1529A	Eshag Loves Big Arrays constructive algorithms, greedy, math	800	x31300
1528D	It's a bird! No, it's a plane! No, it's AaParsa! constructive algorithms, graphs, shortest paths	2500	x1831
1527B2	Palindrome Game (hard version) constructive algorithms, games	1900	x8964
1527B1	Palindrome Game (easy version) constructive algorithms, games	1200	x37435
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x419
1526E	Oolimry and Suffix Array combinatorics, constructive algorithms, math	2400	x1614
1526D	Kill Anton brute force, constructive algorithms, data structures, math, strings	2200	x2891
1526A	Mean Inequality constructive algorithms, sortings	800	x25192
1525B	Permutation Sort constructive algorithms, greedy	900	x26955
1523B	Lord of the Values constructive algorithms	1100	x12595
1521E	Nastia and a Beautiful Matrix binary search, constructive algorithms, dp, greedy	2700	x774
1521D	Nastia Plays with a Tree constructive algorithms, data structures, dfs and similar, dp, dsu, greedy, implementation, trees	2500	x2498
1521C	Nastia and a Hidden Permutation constructive algorithms, interactive	2000	x4710
1521B	Nastia and a Good Array constructive algorithms, math, number theory	1300	x23368
1521A	Nastia and Nearly Good Numbers constructive algorithms, math, number theory	1000	x43093
1520F2	Guess the K-th Zero (Hard version) binary search, constructive algorithms, data structures, interactive	2200	x3481
1520C	Not Adjacent Matrix constructive algorithms	1000	x35317
1519E	Off by One constructive algorithms, dfs and similar, geometry, graphs, sortings, trees	2700	x1010
1517G	Starry Night Camping constructive algorithms, flows, graphs	3300	x778
1517C	Fillomino 2 constructive algorithms, dfs and similar, greedy, implementation	1400	x14338
1517B	Morning Jogging constructive algorithms, greedy, sortings	1200	x13943
1516C	Baby Ehab Partitions Again bitmasks, constructive algorithms, dp, math	1700	x14849
1515F	Phoenix and Earthquake constructive algorithms, dfs and similar, dsu, graphs, greedy, trees	2600	x2294
1515C	Phoenix and Towers constructive algorithms, data structures, greedy	1400	x19253
1515A	Phoenix and Gold constructive algorithms, greedy, math	800	x21633
1513F	Swapping Problem brute force, constructive algorithms, data structures, sortings	2500	x1504
1513E	Cost Equilibrium combinatorics, constructive algorithms, math, sortings	2300	x1813
1513D	GCD and MST constructive algorithms, dsu, graphs, greedy, number theory, sortings	2000	x6987
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x21806
1513A	Array and Peaks constructive algorithms, implementation	800	x20125
1512D	Corrupted Array constructive algorithms, data structures, greedy	1200	x25246
1512C	A-B Palindrome constructive algorithms, implementation, strings	1200	x22313
1511D	Min Cost String brute force, constructive algorithms, graphs, greedy, strings	1600	x12687
1511B	GCD Length constructive algorithms, math, number theory	1100	x25124
1510J	Japanese Game constructive algorithms, math	2700	x569
1509A	Average Height constructive algorithms	800	x27664
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x494
1508D	Swap Pass constructive algorithms, geometry, sortings	3000	x773
1508B	Almost Sorted binary search, combinatorics, constructive algorithms, implementation	1800	x4551
1508A	Binary Literature constructive algorithms, greedy, implementation, strings, two pointers	1900	x6817
1506F	Triangular Paths constructive algorithms, graphs, math, shortest paths, sortings	2000	x3807
1506E	Restoring the Permutation constructive algorithms, implementation	1500	x14506
1506D	Epic Transformation constructive algorithms, data structures, greedy	1400	x26638
1504B	Flip the Bits constructive algorithms, greedy, implementation, math	1200	x28209
1504A	Déjà Vu constructive algorithms, strings	800	x23001
1503F	Balance the Cards constructive algorithms, data structures, divide and conquer, geometry, graphs, implementation	3500	x245
1503D	Flip the Cards 2-sat, constructive algorithms, data structures, greedy, sortings, two pointers	2600	x1334
1503B	3-Coloring constructive algorithms, games, interactive	1700	x7800
1503A	Balance the Bits constructive algorithms, greedy	1600	x15138
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x991
1499A	Domino on Windowsill combinatorics, constructive algorithms, math	800	x22129
1497C2	k-LCM (hard version) constructive algorithms, math	1600	x20042
1497C1	k-LCM (easy version) constructive algorithms, math	1200	x30063
1497B	M-arrays constructive algorithms, greedy, math	1200	x30106
1496A	Split it! brute force, constructive algorithms, greedy, strings	900	x22548
1495F	Squares constructive algorithms, data structures, dp, graphs, trees	3300	x571
1495C	Garden of the Sun constructive algorithms, graphs	2300	x2959
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x605
1494E	A-Z Graph constructive algorithms, data structures, graphs, hashing	2400	x2132
1494D	Dogeforces constructive algorithms, data structures, dfs and similar, divide and conquer, dsu, greedy, sortings, trees	2300	x2950
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x1138
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x5050
1493A	Anti-knapsack constructive algorithms, greedy	800	x19874
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x1338
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x6600
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x1111
1491F	Magnets binary search, constructive algorithms, interactive	2700	x1197
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x8714
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x28312
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x15733
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x3721
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x5808
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x10139
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4988
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x12571
1479C	Continuous City bitmasks, constructive algorithms	2500	x1499

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