Problemset - Codeforces

Problems

#	Name
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14442
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x454
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x949
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x5065
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4648
1492E	Almost Fault-Tolerant Database brute force, constructive algorithms, dfs and similar, greedy, implementation	2500	x1211
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x6160
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x16234
1491I	Ruler Of The Zoo brute force, data structures	3500	x86
1491H	Yuezheng Ling and Dynamic Tree data structures, trees	3400	x897
1491G	Switch and Flip constructive algorithms, graphs, math	2800	x837
1491F	Magnets binary search, constructive algorithms, interactive	2700	x1015
1491E	Fib-tree brute force, dfs and similar, divide and conquer, number theory, trees	2400	x2181
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x7238
1491C	Pekora and Trampoline brute force, data structures, dp, greedy, implementation	1700	x7993
1490G	Old Floppy Drive binary search, data structures, math	1900	x5698
1490F	Equalize the Array binary search, data structures, greedy, math, sortings	1500	x16324
1490E	Accidental Victory binary search, data structures, greedy	1400	x19262
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	x425
1488B	RBS Deletion *special problem, greedy	1800	x568
1487G	String Counting combinatorics, dp, fft, math	2700	x602
1487F	Ones dp, greedy, shortest paths	2900	x389
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4590
1487D	Pythagorean Triples binary search, brute force, math, number theory	1500	x18138
1487C	Minimum Ties brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation, math	1500	x14252
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x692
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2975
1486D	Max Median binary search, data structures, dp	2100	x7439
1486C2	Guessing the Greatest (hard version) binary search, interactive	1900	x8606
1486C1	Guessing the Greatest (easy version) binary search, interactive	1600	x12367
1486B	Eastern Exhibition binary search, geometry, shortest paths, sortings	1500	x16156
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x1999
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1358
1485D	Multiples and Power Differences constructive algorithms, graphs, math, number theory	2200	x5197
1485C	Floor and Mod binary search, brute force, math, number theory	1700	x10055
1482H	Exam data structures, string suffix structures, trees	3400	x483
1482G	Vabank binary search, interactive	3200	x286
1482F	Useful Edges graphs, shortest paths	2400	x1561
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x3253
1482D	Playlist data structures, dsu, implementation, shortest paths	1900	x3896
1482C	Basic Diplomacy brute force, constructive algorithms, greedy, implementation	1600	x9436
1482B	Restore Modulo implementation, math	1500	x9226
1481F	AB Tree dp, greedy, trees	3100	x487
1481E	Sorting Books data structures, dp, greedy	2500	x2133
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4591
1481C	Fence Painting brute force, constructive algorithms, greedy	1600	x11708
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x215
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x1029
1479C	Continuous City bitmasks, constructive algorithms	2500	x1340
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x4090
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x7013
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11776
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9849
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	x2346
1477B	Nezzar and Binary String data structures, greedy	1900	x3257
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x6000
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x585
1476F	Lanterns binary search, data structures, dp	3000	x815
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2385
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8676
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11442
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6904
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5368
1475E	Advertising Agency combinatorics, math, sortings	1600	x13842
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10250
1475C	Ball in Berland combinatorics, graphs, math	1400	x21466
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	x12810
1473G	Tiles combinatorics, dp, fft, math	2800	x402
1473F	Strange Set flows, math	2700	x970
1473E	Minimum Path graphs, shortest paths	2400	x3737
1473D	Program data structures, dp, implementation, strings	1700	x9747
1473C	No More Inversions constructive algorithms, math	1500	x12740
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4784
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x3079
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8142
1470F	Strange Covering divide and conquer	3500	x134
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x300
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x3751
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1351
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6352
1469F	Power Sockets binary search, data structures, greedy	2600	x965
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x1999
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9499
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10801
1468M	Similar Sets data structures, graphs, implementation	2300	x962
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x328
1468K	The Robot brute force, implementation	1600	x5166