Problem Statement
He is allowed to perform at most C cuts. With each cut, he chooses one of his sticks and divides it into exactly two sticks of arbitrary positive lengths (the sum of their lengths must equal the length of the original stick). Each of these sticks can then be chosen again when making subsequent cuts.
After he performs all his cuts, he sorts the sticks in non-increasing order by length and chooses the K-th (1-based) stick. Return the maximal possible length of the stick he chooses. Note that he must perform at least as many cuts as are required to end up with K or more sticks.
Definition
- Class:
- CutSticks
- Method:
- maxKth
- Parameters:
- int[], int, int
- Returns:
- double
- Method signature:
- double maxKth(int[] sticks, int C, int K)
- (be sure your method is public)
Notes
- Your return value must have an absolute or relative error less than 1e-9.
Constraints
- sticks will contain between 1 and 50 elements, inclusive.
- Each element of sticks will be between 1 and 1,000,000,000, inclusive.
- C will be between 1 and 1,000,000,000, inclusive.
- K will be between 1 and n + C, inclusive, where n is the number of elements in sticks.
Examples
{5, 8}
1
1
Returns: 8.0
John can make at most one cut. He should either cut the stick of length 5 (it doesn't matter where) or not make any cuts at all. If he makes no cuts, then after he sorts the sticks, they will be in the following order: {8, 5}. He chooses the 1st stick, which has length 8.
{5, 8}
1
2
Returns: 5.0
Again, the easiest thing to do here is not make any cuts.
{5, 8}
1
3
Returns: 4.0
John has 2 sticks and he can make at most one cut. In this case, since K is 3, he is required to make a cut so he can end up with 3 sticks. He should cut the longest stick into two equal sticks of length 4. After he sorts the sticks, they will be in the following order: {5, 4, 4}. He will choose the 3rd stick, which has length 4.
{1000000000, 1000000000, 1}
2
5
Returns: 1.0
{159, 159, 159, 198, 162, 159, 161, 159, 159, 159, 159, 161, 160, 189, 160, 159, 160, 159, 159, 159, 160, 161, 159, 162, 160, 159, 160, 165, 160, 191, 160, 159, 160, 159}
351
11
Returns: 160.0
{13, 7, 35, 16, 9, 32, 7, 8, 26}
20293
1
Returns: 35.0
{8735, 8733, 8733, 8790, 8753, 8732, 8756, 8733, 8732, 8732, 8735, 8735, 8735, 8745, 8817, 8805, 8944, 8737, 8743, 8732, 8734, 8732, 8732}
442
153
Returns: 1247.5714285714284
{1668, 1631, 1638, 1630, 1629, 1629, 1644, 3130, 1629, 1634, 5974, 7189, 2020, 1667, 1629}
1670
573
Returns: 62.65384615384616
{2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3}
978
49
Returns: 0.5
{528, 530, 545, 525, 594, 568, 545, 528, 676, 787, 522, 544, 526, 525, 758, 4978, 534}
1
5
Returns: 676.0
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
15860
9
Returns: 1.0
{7, 8, 7, 7, 7, 7, 13, 8, 7, 7, 7, 37, 140, 30, 8, 7, 31, 13, 38, 81, 13, 10, 36}
331
56
Returns: 7.5
{549, 552, 553, 549, 551, 1327, 552, 560, 601, 576}
26
8
Returns: 552.0
{428, 586, 197, 194, 194, 194, 220, 262, 328, 202, 194, 213, 205, 194, 211, 194, 364, 197, 197, 194, 264, 313, 200, 195, 251, 195, 295, 194, 194, 1977, 194, 199, 205, 194, 202}
372
1
Returns: 1977.0
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
5
9
Returns: 1.0
{416, 427, 418, 418, 416}
9
5
Returns: 416.0
{5, 73, 4, 2, 2, 82, 84, 140, 25, 9, 179, 29, 191, 3, 24, 2, 37, 2, 8, 5}
1
1
Returns: 191.0
{19171, 357519, 18324, 18328, 18342, 18316, 18316, 18316, 18495, 18316, 18318, 24341, 577256, 18316, 22302, 18318, 73546, 18401, 18350, 18333, 18321, 18332, 18378, 18318, 18324, 18449, 18318, 18321, 18316, 18316, 18323, 18316, 18316, 18326, 18317, 18316}
496
24
Returns: 39724.33333333334
{9666, 9659, 9666, 11342, 10814, 9669, 10997, 9685, 9674, 9667, 9658, 9665, 10220, 9667, 9672, 9691, 9660, 9671, 12311, 9666, 9777, 9790, 9658, 9665, 9660, 9659, 9661, 9836, 9658, 9778, 10779, 9740}
6
19
Returns: 9667.0
{7, 135192, 15, 70}
11
2
Returns: 67596.0
{74930, 74924, 74933, 109594, 74914, 76327}
5731
4763
Returns: 101.92380952380952
{101, 81, 81, 81, 81, 89, 81, 82, 81, 81, 81, 81, 81, 81, 81, 85, 84, 81, 89, 86, 103, 86, 82, 81, 81, 84, 82, 81, 81, 81, 81, 81, 81, 82, 85, 81, 81, 99, 86, 81, 82, 83, 84, 83, 81, 99, 81}
1706
1655
Returns: 2.3428571428571434
{16360, 16054, 43338, 16058, 25349, 16612, 16111, 16066, 16059, 16053, 16382, 16057, 16277, 16054, 16055, 16065, 16062, 16336, 16081, 16313, 16133, 16053, 28697, 75193, 16908, 93091, 16069, 26070, 16221, 21262, 16114, 16053, 24126, 16070, 16073, 16104, 16198, 16089, 16523, 28424, 151041, 16053, 16094, 16053}
3
8
Returns: 28697.0
{6208409, 110827, 193388, 111620, 110518, 362137, 110528, 110618, 110514, 112926, 110628, 118604, 110544, 120284, 89810201, 110525, 110585, 396240, 110516, 110529, 110732, 110517, 110554, 255664, 110517, 110523, 110513, 110513, 110517, 863952, 110519, 110513, 111438, 110525}
1644
52
Returns: 1832861.2448979593
{672063992, 206245793, 643232951, 135037243, 298256420, 652257818, 690511869, 698304912, 293087669, 163959813, 184916526, 536407995, 346336903, 578224915, 156067037, 244369367, 152848497, 585038542, 246033795, 153722445, 692442879, 337817966, 422889328, 682315061, 301238692, 194922347, 150810714, 171154818, 303930876}
521671993
50094175
Returns: 217.4792607542057
{632602733, 587532329, 658908602, 605706628, 662420125, 650866933, 614183644, 659949165, 632068831, 590276757, 629935147, 673227265, 690986522, 701824457, 599243351, 600022127, 700012887, 585238395, 701276069}
237832847
209454429
Returns: 58.13332034667762
{502247892, 786579712, 448016946, 486694759, 598734338, 429523350, 618805595, 567991666, 815525280, 426392956, 471218296, 788529219, 662373808, 673344548, 522695697, 478535526, 575466780}
225098798
168869010
Returns: 58.34507967779551
{628941927, 601765773, 622445483, 633688594, 622526851, 584321245, 620408518, 587739890, 594611535, 644865531, 641384136, 635576706, 613963672, 628718248, 618075639, 614318689, 631957318, 585873764, 573554249, 603870445, 585715859, 606171692, 581727050, 616906965, 615109151, 598429186, 582702778, 582015286, 622257993, 589075753, 631522921, 628871868, 611799915, 598259822}
793814053
511542804
Returns: 40.542401457906436
{4904679, 6273170, 6812769, 6782557, 7239971, 5590441, 4427749}
396433904
1455306
Returns: 28.881371667910194
{214187020, 218030818, 218369652, 215657917, 210317979, 212267903, 217198764, 217018354, 216252256, 210340616, 208538687, 209243760, 217586999, 209745894, 211224480, 209343290, 208927989, 215647286, 218163518, 217014802, 210756741, 211779762, 212785698, 210917154, 208601925, 215657322, 208565409, 216109237, 210339002, 214459556, 214287448, 216717725, 211228215, 211920028}
252081258
127853288
Returns: 56.69938122180508
{516493992, 455296760, 542369769, 545163906, 485355273, 483123500, 521222449, 523474040, 435104200, 460018487, 518954947, 494586670, 453398506, 444549628, 434255703, 525036051, 529907356, 535953390, 511575627, 485927739, 533699335, 463848758, 440420596, 495046643, 440312961, 467016304, 541564860, 492636347, 442587867, 535948172, 528698943, 490556999, 486190671, 473164766}
877156007
86249516
Returns: 194.0121937659835
{143390929, 318898992, 266622897, 238365222, 190390123, 230811619, 314177179, 105670876, 145037137, 165923677, 190448664, 146741075, 155353105, 256935984, 266137225, 253246171, 268523450, 279465868, 313745987, 141339613, 144849754, 175511177, 152245416, 85994088, 294720623, 161705459, 188664745, 297565936, 239317020, 227662286, 208607463, 275719209, 207571577, 309832216, 323931223, 208358559, 290673479, 153688272, 150866307, 169409223, 292538026, 291778754, 328031346, 185781719, 112696907, 177725277, 316552332, 294026947}
442877594
302017126
Returns: 35.28690703705193
{330168554, 542965207, 409534252, 666241999, 482138601, 395757727, 503498806, 516557280, 373054637, 336156112, 390027236, 315486218, 492875283, 545961591, 346520957, 689301367, 513017066, 507736135, 590082267, 353096089, 673925084, 489480802, 702351950, 666884749, 317039353, 636439223, 585946763, 595744910, 550519647, 430456341, 370973068}
374681037
157222753
Returns: 97.44097143173582
{492259002, 492574072, 492431779, 492431203, 492349696, 492495521, 492523132, 492439427, 492598615, 492290925, 492331635, 492522549, 492223609, 492487362}
844934779
198450714
Returns: 34.738894094762074
{1000000000}
1000000000
1
Returns: 1.0E9
{1}
1000000000
1000000000
Returns: 1.0000000000006078E-9
{76, 594, 17, 6984, 26, 57, 9, 876, 5816, 73, 969, 527, 49}
789
456
Returns: 34.92
{89,18,18845,4,49,1,731,9,7938,44878,1535,7,2847,5668,320,64,472,9,510,33963,3951,347,995,29,9329}
644473497
61529
Returns: 2.1548759596472307
{1701,7130,16759,25062,25198,21015,22367,15312,22340,275,12392,19289,4032,18709,11073,13799,10122,17755,21959,5675,11965,2422,4277,23075,338,15802,15377,18269,20115,10666,4606,22772,774,3825,14416,8657,24141,17058}
262894
8308
Returns: 61.326219512195124
{447,2384,821,235,3614,10,1,237,731,214,4,300,114,9,3530,399,89,3,677,59,7,6,63,662,3163,4,20,21,68,3,5,1,30,54,1,689,35,844,37,73,671,2,63,15,5047,28}
95
66
Returns: 335.5
{65,7,816,3,6,374,658,9302,73,5,5,6551,720,67727,7,7,4,63714,354}
30
26
Returns: 5309.5
{163677,212983,116957,78948,61639,133110}
9
8
Returns: 70994.33333333334
{142472731,37105420,53616764,167994519,13090958,44456990,47673915,187512693,21323766,207436998,137739332,44348819,61915373,171530870,163371545,137380890,144927244,114472282,7565802,187110317,85136946,84650078,158838035,209912338,129851860,45177926,51680036,14482475,19794187,98486226,154413331,89857142,105266520,49018376,12819028,159610654,120559531,50362026,135963139,175553520,104802400,47383579,96709675,13434782}
85368142
13787
Returns: 311874.3090909091
{96240,997844,18695,8615938,614184,30500,3781436,3,82,186628678,716,75,20661,109618}
9866245
107
Returns: 1847808.6930693071
{509963490,519424026,182661095,621022436,780316997,755081160,728191132,694475319,526378498,710034005,783700347,333365967,149730767,501459936,803401887,254870905,810552852,575059668,836594998,22909507,114835010,730505067,289256895,251371139,940287194,664357333,763120839,586443581,798266871,229915076,697139228,128089949,345543953,96594732,272083089,590041046,516896170,581608285,523326913,622382610,116129426,989436386,364332,595745994,845170068}
58610317
2080
Returns: 1.1120658789473686E7
{224385202,511022696,431407797,368632924,247730664,77878030,489898168,391534997,16439846,11277806,105940208,307595079,125080253,118724975,357135829,239001063,468077778,265157776,405092247,439414733,62503135,187628895,241733739,358747064,390426745,136422084,58533058,317848537,383813706,409538624,520123468,300777949,147686512,490937549,61492248,119728503,78317250,268947293,117384410,420876827}
61574
49
Returns: 1.537975395E8
{3,2,1,4,3,3,2,4,1,4,4,1,1,2,5,3,5,1,3,3,4,5,2,3,4,2,3,5,1,3,5}
6885
99
Returns: 0.8
{4,4,1,2,2,2,2,4,1,4,4,1,1,2,4,2,2,2,1,2,2,1,2,1,3,2,3,3,3,1,3,4,2,3,4,3,4,4,3,4,3,2,3,2,3,1,3}
2448660
2023
Returns: 0.058823529411764705
{1,5,8,2,8}
5684
3183
Returns: 0.007532956685499059
{9}
86836
59814
Returns: 1.504664459825459E-4
{13,267,150,192,38,36,181,201,156,266,54,160,237,53,96,165,157,294,113,176,119,198,180,168,230,147,64,124,41,99,235,230,145,286,33,154}
1000000000
138478453
Returns: 3.94140688108057E-5
{3,47,34,3,55,2,4,1,16,6,1,7,7,7,56,50,15,9,3,21,22,6,4,8,8,1,26,28,2,4,6,9,2,1,2,47,5,6,9,63,21}
127333661
78040257
Returns: 8.034313404792811E-6
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
1000000000
42757067
Returns: 4.443709751098926E-7
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
1000000000
1000000009
Returns: 2.7999998992000305E-8
{9}
1000000000
1000000000
Returns: 9.000000000000737E-9
{3915,181233926,1000000000,3330,1000000000,1626383,54539166,1000000000,4626,8,1494,37,577,31953,9,339889676,8004677,890327,1000000000,96059,1000000000,512,407047037,4,3,455664,2,783893,73392986,1000000000,57194,1000000000,7216958,441,4,1000000000,1,1606}
4
39
Returns: 4.0
{8,140,67041104,2,9,8252,39,4729032,1000000000,9887,7467,2550,425,25010,5931,9894,427369392,1000000000,720306,3562,6740,909749437,8419,411972,486828774,1318150,2544156,311960267,8173507,652711160,3562,1201428,7}
1
34
Returns: 2.0
{1000000000,527,82812,138,8198914,1000000000,1000000000,166886,342,4113,268965090,82185966,9400378,271237844,99750,30,3,116588560,607466004,1000000000,32905,627570857,31988,4242319,3351,303,7035,934,640929932,97732739,152129342,8017,1960,11665994,36952,9,854646630,2625040,1000000000,31,806501761,582986145,7729,5,809991}
4
47
Returns: 9.0
{1000000000,3,1000000000,64,41570,9,1000000000,8,33,266,14,594751,7588,66760,436320,41926,851555,240360775,3641294,6,73664,799405308,91018,254,50541842,35,7195562,59}
1
29
Returns: 3.0
{8994339,94,411794,47413068,5,38200158,95417945,8762,2541955,805,6987,322317,406893,733317,1000000000,1603,5318372,6248,845652,477,681378882,7,910072,1603660,2984,72283,72390328,70322789,698996,1000000000,47975,1000000000,1056275,99,1000000000,77251880,61560504,7,1,1000000000,260675708,559,4155052,240269,3,80098653,32567}
1000000000
1000000047
Returns: 1.0
{81434,6,1488563,771073782,2228491,4,346087885,9684344,81029,1847972,52,5670,1000000000,808571,1000000000,231,88331,6544812,90944320,74136,499,6,422508,1000000000,1000000000,1000000000,4775,35481535,638101372,75751,10,1000000000,7,959134648,67,347,6115487,1000000000,95444,33880,9148530,8077,225570205,99,44,4,1000000000,985,649812}
4
51
Returns: 6.0
{1000000000,22391849,1000000000,5,810721,9373023,6384,287374958,1000000000,337227667,902058654,9415430,68952832,4595879,45,37056,3292963,20447452,1000000000,28352,457932494,784724305,1000000000,237,1000000000,1000000000,602,45723,2938,50,80713,31,76897951,49462130,3842,26,2099,5}
5
42
Returns: 5.0
{60907935,30,557,4787805,38295057,549286831,7641165,1278248,647,675026,203,35770,61520,682008,740031,87635,61406337,32,230428,536115,60615,1000000000,669061481,93492455,37,152,13929,9,547,188427710,1,2719}
1000000000
1000000032
Returns: 1.0
{44964,1000000000,300636440,599776004,39297,1000000000,5,560,6,990,99874,3936476,9245571,1000000000,58243439,5241,2703,1699,1000000000,1137177,772860,1985200,1000000000,644,2098337,49,46,5901723,4952,1000000000,7,749210393,386,1000000000,3,2289,37569,140224,4680694,548963}
2
42
Returns: 3.0
{1000000000, 1000000000, 1 }
2
5
Returns: 1.0
{76, 594, 17, 6984, 26, 57, 9, 876, 5816, 73, 969, 527, 49 }
789
456
Returns: 34.92
{756123, 1231231, 1000000000, 1, 176, 132, 2308912, 543187, 12412, 999999999 }
992345311
992345321
Returns: 1.0
{12345678, 957723 }
1000000000
1000000000
Returns: 0.013303400999508021
{5, 8 }
1
3
Returns: 4.0
{1000000000, 1000000000, 1 }
3
5
Returns: 3.333333333333334E8
{757148, 167851001, 301413357, 336971125, 659598369, 160567226, 391749388, 4890852, 35766291, 26239573, 473038165, 597007, 3615545, 326051437, 392289611, 118341523, 170427799, 37215529, 675016434, 168544291, 683447134, 950090227, 82426873, 116752252, 194041605, 706221269, 69909135, 257655784, 84970744, 21417563, 37379061, 40873981, 8670529, 80835681, 436291073, 653352031, 106923811, 374079501, 466701607, 86546365, 247776868, 480572137, 222071041, 36629217, 366496749, 549646417, 278840199, 119255907, 33557677 }
1000000000
1000000027
Returns: 12.244373490330695
{10000, 1 }
1
2
Returns: 5000.0
{999999, 99999, 99876432, 9872343, 21321333, 21312321, 2322344, 6544443, 6544333 }
7893
704
Returns: 238938.83253588516
{10, 4, 4 }
2
2
Returns: 5.0
{1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000 }
1000000000
1000000047
Returns: 48.99999583500036
{1 }
1111
1111
Returns: 9.000900090009002E-4
{100, 100, 1 }
3
3
Returns: 50.0
{666, 666, 66, 66, 666, 666, 666, 666, 666, 666, 666, 66, 666, 666, 666, 666, 666, 666, 666 }
666666666
666666
Returns: 0.01628083213142005
{1000000000 }
1000000
3
Returns: 3.333333333333334E8
{1000000000 }
1000000000
500000000
Returns: 2.0
{1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000, 1000000000 }
1000000000
1000000000
Returns: 50.0
{1000000000, 1000000000, 1 }
1000000000
5
Returns: 3.333333333333334E8
{1 }
1000000000
100000000
Returns: 1.0000000000000556E-8
{20, 1 }
1000
2
Returns: 10.0
{1000000000, 1000000000, 1, 333, 23232, 2323, 2532, 234 }
2
5
Returns: 23232.0
{725617945, 354039244, 245917610, 52140239, 774153517, 58295540, 643915825, 360458914, 843003702, 265810157, 771209766, 857815433, 307387835, 669416603, 134712025, 884805927, 423962346, 69771724, 363906150, 178957511, 533362668, 528385313, 628938837, 780636761, 427277975, 598267487, 182786313, 421547184, 992666448, 417464701, 131209538, 64705604, 771790344, 117166508, 829510601, 373632734, 436981915, 905244246, 807457144, 608439252, 834511256, 441709603, 6411272, 353667047, 196711783, 919428700, 928979177, 554417042, 84068812, 689862548 }
209803763
2674821
Returns: 9179.048367821179
{1000000000, 1 }
1000000000
2
Returns: 5.0E8
{5, 1 }
10
2
Returns: 2.5
{1 }
1000
100
Returns: 0.010000000000000002
{9, 1, 1 }
1
3
Returns: 1.0
{1 }
1000000000
1000000000
Returns: 1.0000000000006078E-9
{1, 1, 1, 1000000000 }
2
3
Returns: 3.333333333333334E8
{10, 10 }
1
1
Returns: 10.0
{1000000000, 999999999 }
2
3
Returns: 5.0E8
{513022019, 674849833, 885808907, 149415576, 79637949, 564425687, 106515274, 756240490, 23638555, 822705644, 859334360, 857565758, 304229475, 709484387, 665434174, 231165488, 236894955, 681336685, 708102424, 547573006, 965429614, 829886211, 620024471, 456926498, 649940286, 224250023, 607157213, 85961552, 177817310, 190036559, 140290145, 807903339, 215782534, 94324157, 540994540, 38818470, 206487473, 850179612, 834914928, 747074719, 170164076, 740662178, 305316996, 270621694, 84027923, 763561070, 11607333, 208278513, 568198237, 10104177 }
1000000
500000
Returns: 45585.74897814111