Problemset - Codeforces

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Problems

#	Name
1490G	Old Floppy Drive binary search, data structures, math	1900	x5690
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x16314
1490E	Accidental Victory binary search, data structures, greedy	1400	x19249
1490D	Permutation Transformation dfs and similar, divide and conquer, implementation	1200	x19649
1490C	Sum of Cubes binary search, brute force, brute force, math	1100	x33666
1490B	Balanced Remainders brute force, constructive algorithms, math	1000	x26304
1490A	Dense Array greedy, math	800	x31291
1488J	Flower Shop *special problem, data structures, fft, math	3100	x35
1488I	Demonic Invasion *special problem, flows	3100	x37
1488H	Build From Suffixes *special problem, combinatorics, data structures	2800	x58
1488G	Painting Numbers *special problem, data structures, greedy, number theory	2500	x123
1488F	Dogecoin special problem, special problem, binary search, data structures	2300	x176
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x215
1488D	Problemsolving Marathon *special problem, binary search, greedy	1900	x339
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x424
1488B	RBS Deletion *special problem, greedy	1800	x567
1488A	From Zero To Y *special problem, math	900	x1432
1487G	String Counting combinatorics, dp, fft, math	2700	x601
1487F	Ones dp, greedy, shortest paths	2900	x388
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4588
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x18119
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x14244
1487B	Cat Cycle math, number theory	1200	x21375
1487A	Arena implementation, sortings	800	x26600
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x676
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2964
1486D	Max Median binary search, data structures, dp	2100	x7428
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x8592
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x12343
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x16132
1486A	Shifting Stacks greedy, implementation	900	x25470
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1998
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1334
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x5191
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x10042
1485B	Replace and Keep Sorted dp, implementation, math	1200	x17142
1485A	Add and Divide brute force, greedy, math, number theory	1000	x22863
1482H	Exam data structures, string suffix structures, trees	3400	x483
1482G	Vabank binary search, interactive	3200	x286
1482F	Useful Edges graphs, shortest paths	2400	x1552
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x3249
1482D	Playlist data structures, dsu, implementation, shortest paths	1900	x3896
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9435
1482B	Restore Modulo implementation, math	1500	x9224
1482A	Prison Break math	800	x20490
1481F	AB Tree dp, greedy, trees	3100	x487
1481E	Sorting Books data structures, dp, greedy	2500	x2129
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4584
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11695
1481B	New Colony brute force, greedy, implementation	1100	x19329
1481A	Space Navigation greedy, strings	800	x24992
1480B	The Great Hero greedy, implementation, sortings	900	x17261
1480A	Yet Another String Game games, greedy, strings	800	x25941
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x214
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x1025
1479C	Continuous City bitmasks, constructive algorithms	2500	x1340
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x4087
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x7006
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11760
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9845
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18352
1478A	Nezzar and Colorful Balls brute force, greedy	800	x26573
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x135
1477E	Nezzar and Tournaments data structures, greedy	3300	x124
1477D	Nezzar and Hidden Permutations constructive algorithms, dfs and similar, graphs	2800	x560
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2345
1477B	Nezzar and Binary String data structures, greedy	1900	x3253
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5996
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x584
1476F	Lanterns binary search, data structures, dp	3000	x805
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2378
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8674
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11435
1476B	Inflation binary search, brute force, greedy, math	1300	x20120
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x38105
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6898
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5363
1475E	Advertising Agency combinatorics, math, sortings	1600	x13834
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10238
1475C	Ball in Berland combinatorics, graphs, math	1400	x21430
1475B	New Year's Number brute force, dp, math	900	x49527
1475A	Odd Divisor math, number theory	900	x62251
1474F	1 2 3 4 ... dp, math, matrices	3000	x250
1474E	What Is It? constructive algorithms, greedy	2500	x1352
1474D	Cleaning data structures, dp, greedy, math	2200	x4010
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12805
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x29290
1474A	Puzzle From the Future greedy	800	x22643
1473G	Tiles combinatorics, dp, fft, math	2800	x400
1473F	Strange Set flows, math	2700	x968
1473E	Minimum Path graphs, shortest paths	2400	x3724
1473D	Program data structures, dp, implementation, strings	1700	x9742
1473C	No More Inversions constructive algorithms, math	1500	x12733
1473B	String LCM brute force, math, number theory, strings	1000	x31724
1473A	Replacing Elements greedy, implementation, math, sortings	800	x34003
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4778
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x3077
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8129
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x27700
1472C	Long Jumps dp, graphs	1100	x31644