Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
08:55:20
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Problems

#	Name
1479A	Searching Local Minimum binary search, interactive, ternary search	1700	x11599
1478C	Nezzar and Symmetric Array implementation, math, sortings	1700	x9745
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18261
1478A	Nezzar and Colorful Balls brute force, greedy	800	x26424
1477F	Nezzar and Chocolate Bars combinatorics, fft, math, probabilities	3500	x132
1477E	Nezzar and Tournaments data structures, greedy	3300	x121
1477D	Nezzar and Hidden Permutations constructive algorithms, dfs and similar, graphs	2800	x548
1477C	Nezzar and Nice Beatmap constructive algorithms, geometry, greedy, math, sortings	2200	x2303
1477B	Nezzar and Binary String data structures, greedy	1900	x3191
1477A	Nezzar and Board constructive algorithms, math, number theory	1800	x5897
1476G	Minimum Difference data structures, hashing, sortings, two pointers	3100	x574
1476F	Lanterns binary search, data structures, dp	3000	x727
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x2338
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8614
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11343
1476B	Inflation binary search, brute force, greedy, math	1300	x19972
1476A	K-divisible Sum binary search, constructive algorithms, greedy, math	1000	x37160
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6777
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5294
1475E	Advertising Agency combinatorics, math, sortings	1600	x13566
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10112
1475C	Ball in Berland combinatorics, graphs, math	1400	x21064
1475B	New Year's Number brute force, dp, math	900	x48625
1475A	Odd Divisor math, number theory	900	x60144
1474F	1 2 3 4 ... dp, math, matrices	3000	x244
1474E	What Is It? constructive algorithms, greedy	2500	x1325
1474D	Cleaning data structures, dp, greedy, math	2200	x3973
1474C	Array Destruction brute force, constructive algorithms, data structures, greedy, implementation, sortings	1700	x12632
1474B	Different Divisors binary search, constructive algorithms, greedy, math, number theory	1000	x28437
1474A	Puzzle From the Future greedy	800	x22423
1473G	Tiles combinatorics, dp, fft, math	2800	x392
1473F	Strange Set flows, math	2700	x952
1473E	Minimum Path graphs, shortest paths	2400	x3605
1473D	Program data structures, dp, implementation, strings	1700	x9604
1473C	No More Inversions constructive algorithms, math	1500	x12659
1473B	String LCM brute force, math, number theory, strings	1000	x31261
1473A	Replacing Elements greedy, implementation, math, sortings	800	x33591
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4650
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x3052
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8001
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x27245
1472C	Long Jumps dp, graphs	1100	x31153
1472B	Fair Division dp, greedy, math	800	x49916
1472A	Cards for Friends greedy, math	800	x41827
1471B	Strange List brute force, greedy, implementation, math	1100	x19312
1471A	Strange Partition greedy, math, number theory	900	x26039
1470F	Strange Covering divide and conquer	3500	x120
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x298
1470D	Strange Housing constructive algorithms, dfs and similar, graph matchings, graphs, greedy	2200	x3708
1470C	Strange Shuffle binary search, brute force, constructive algorithms, interactive	2500	x1328
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x6305
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x22352
1469F	Power Sockets binary search, data structures, greedy	2600	x897
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x1958
1469D	Ceil Divisions brute force, constructive algorithms, math, number theory	1700	x9411
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10729
1469B	Red and Blue dp, greedy	1000	x27219
1469A	Regular Bracket Sequence constructive algorithms, greedy	1000	x27301
1468N	Waste Sorting greedy, implementation	900	x8134
1468M	Similar Sets data structures, graphs, implementation	2300	x940
1468L	Prime Divisors Selection binary search, greedy, math, number theory	2700	x321
1468K	The Robot brute force, implementation	1600	x5084
1468J	Road Reform dsu, graphs, greedy	1800	x4254
1468I	Plane Tiling geometry, implementation, math	2500	x496
1468H	K and Medians constructive algorithms, greedy, math	2200	x1786
1468G	Hobbits binary search, geometry	2500	x815
1468F	Full Turn geometry, hashing, number theory	1700	x3705
1468E	Four Segments greedy	800	x8778
1468D	Firecrackers binary search, sortings	1700	x4641
1468C	Berpizza data structures, implementation	1400	x7783
1468B	Bakery data structures, dsu	2900	x212
1468A	LaIS data structures, dp, greedy	2200	x1656
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1433
1467D	Sum of Paths combinatorics, dp, math	2200	x3668
1467C	Three Bags constructive algorithms, greedy	1900	x6380
1467B	Hills And Valleys brute force, implementation	1700	x10919
1467A	Wizard of Orz constructive algorithms, greedy, math	900	x24292
1466I	The Riddle of the Sphinx binary search, data structures, data structures, interactive	3400	x190
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x272
1466G	Song of the Sirens combinatorics, divide and conquer, hashing, math, string suffix structures, strings	2600	x920
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2866
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x7285
1466D	13th Labour of Heracles data structures, greedy, sortings, trees	1500	x11288
1466C	Canine poetry dp, greedy, strings	1300	x17613
1466B	Last minute enhancements dp, greedy	800	x22626
1466A	Bovine Dilemma brute force, geometry, math	800	x22506
1464F	My Beautiful Madness data structures, trees	3500	x305
1463F	Max Correct Set bitmasks, dp, math	3100	x582
1463E	Plan of Lectures constructive algorithms, dfs and similar, dsu, graphs, implementation, sortings, trees	2400	x1505
1463D	Pairs binary search, constructive algorithms, greedy, two pointers	1900	x4414
1463C	Busy Robot implementation	1800	x5645
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x19331
1463A	Dungeon binary search, math	1100	x25486
1462F	The Treasure of The Segments binary search, data structures, greedy	1800	x6947
1462E2	Close Tuples (hard version) binary search, combinatorics, implementation, math, sortings, two pointers	1700	x9663
1462E1	Close Tuples (easy version) binary search, combinatorics, math, sortings, two pointers	1500	x13704
1462D	Add to Neighbour and Remove greedy, math, number theory	1400	x16691
1462C	Unique Number brute force, greedy, math	900	x32436
1462B	Last Year's Substring dp, implementation, strings	800	x27067
1462A	Favorite Sequence implementation, two pointers	800	x41484