題目描述

思路分析

直接進行暴力解決

代碼實現

package TEST;import java.math.BigInteger;public class Main {public static void main(String[] args) {// TODO Auto-generated method stubint[] A= {12894792, 92774113, 59529208, 22962224,2991600, 83340521, 87365045,40818286, 16400628, 39475245, 55933381, 76940287, 61366748, 95631228,17102313, 50682833, 61562613, 87002524, 83062019, 51743442, 61977890,32010762, 69680621, 87179571, 81761697, 32364296, 7833271, 36198035,26588918, 84046668, 43059468, 73191775, 56794101, 454780, 11141030,10008994, 35072237, 44945158, 53959980, 75758119, 18560273, 35801494,42102550, 22496415, 3981786, 34593672, 13074905, 07733442, 42374678,23452507, 98586743, 30771281, 17703080, 52123562, 5898131, 56698981,90758589, 18238802, 18217979, 4511837, 75682969, 31135682, 55379006,42224598, 98263070, 40228312, 28924663, 11580163, 25686441, 45944028,96731602, 53675990, 3854194, 14858183, 16866794, 40677007, 73141512,32317341, 56641725, 43123040, 15201174, 62389950, 72887083, 76860787,61046319, 6923746, 17874548, 46028629, 10577743, 48747364, 5328780,59855415, 60965266, 20592606, 14471207, 70896866, 46938647, 33575820,53426294, 56093931, 51326542, 94050481, 80114017, 33010503, 72971538,22407422, 17305672, 78974338, 93209260, 83461794, 41247821, 26118061,10657376, 42198057, 15338224, 50284714, 32232841, 26716521, 76048344,23676625, 62897700, 69296551, 59653393, 38704390, 48481614, 69782897,26850668, 37471053, 88720989, 51010849, 94951571, 60024611, 29808329,70377786, 13899299, 9683688, 58218284, 46792829, 97221709, 45286643,48158629, 57367208, 26903401, 76900414, 87927040, 9926730, 1508757,15101101, 62491840, 43802529, };int [] B= {44894050, 34662733, 44141729, 92774113, 99208727, 91919833, 23727681,10003409, 55933381, 54443275, 13584702, 96523685, 50682833, 61562613,62380975, 20311684, 93200452, 23101945, 42192880, 28992561, 18460278,19186537, 58465301, 01111066, 62680429, 23721241, 20277631, 91708977,57514737, 3981786, 81541612, 07346443, 93154608, 19709455, 37446968,17703080, 72378958, 66200696, 30610382, 89586343, 33152171, 67040930,35696683, 63242065, 99948221, 96233367, 52593493, 98263070, 1418023,74816705, 89375940, 58405334, 96731602, 84089545, 16866794, 94737626,01673442, 70548494, 13638168, 8163691, 11106566, 64375392, 40267902,897705, 56447313, 54532235, 94738425, 66642634, 83219544, 40546096,66924991, 20592606, 96037590, 73434467, 70896866, 91025618, 57892091,8487641, 32500082, 84412833, 23311447, 38380409, 79957822, 72971538,69645784, 91863314, 73099909, 93209260, 83461794, 81378487, 30423273,22233715, 32232841, 26716521, 03511221, 29196547, 58263562, 56233305,52547525, 55812835, 87253244, 52484232, 80837360, 94098464, 52028151,53267501, 66381929, 84381316, 59788467, 9683688, 67082008, 71605255,80654064, 21434307, 45286643, 76556656, 82465821, 57367208, 79218980,48460468, 59170479, 46046391, 43043164, 96544490, 83340521, 70837892,18926791, 40818286, 28936302, 11489524, 51031183, 73860337, 13241219,9025448, 10718828, 76360986, 26031606, 76558053, 97726139, 46473415,48406387, 23625539, 86756012, 35164187, 49161302, 78082834, 35072237,8602486, 29815841, 56562216, 77684187, 81751704, 20160464, 50407962,27786415, 19893526, 934129, 37759498, 52636463, 25666982, 43262852,38393436, 2581136, 29323250, 56950657, 5898131, 95286262, 75574581,54057961, 6703896, 90758589, 57782642, 34492535, 41919697, 6395464,10993500, 81212949, 34017532, 69569396, 99009936, 57129610, 67401593,71044018, 62076698, 29533873, 71936325, 86874388, 26545032, 35695544,30433724, 53127345, 72887083, 25390873, 63711546, 6923746, 27783723,33199575, 35929698, 16491251, 18276792, 62744775, 92096155, 06336570,56141974, 73007273, 31416832, 00171057, 64176982, 46938647, 58460388,69972026, 73724304, 27435484, 51568616, 15531822, 47788699, 11818851,41594694, 83561325, 43107163, 56965375, 10557343, 26118061, 74650126,90076467, 10657376, 49901436, 03425162, 61164599, 15797769, 5427896,14444084, 36795868, 18079449, 59653393, 72942548, 06763077, 33895610,94892653, 12085268, 65174140, 79567366, 23020126, 74290047, 13498869,21696323, 27724594, 54941003, 38229841, 7050068, };int [] C= {13404901, 39952424, 47847739, 94939581, 13809950, 70966043, 11161555,17102313, 47079425, 50682833, 74154313, 61562613, 93200452, 37103342,18479435, 32502597, 36198035, 54210010, 73191775, 48358178, 85544503,5996766, 54651623, 52113220, 27465181, 23871783, 22496415, 54107041,65899605, 56528700, 82671109, 61176034, 42374678, 51612628, 63329997,56591652, 04552733, 12789324, 89586343, 51935014, 38611966, 43916409,70996050, 98263070, 1418023, 65345049, 21734275, 76846198, 71506230,833171, 67128139, 41367555, 64769510, 44010700, 16475199, 93164325,9386162, 95324041, 80688223, 67629139, 79552617, 76219736, 50368644,45096021, 54972488, 63779011, 28862942, 73145521, 74078605, 66924991,12806850, 02171001, 70896866, 73434467, 8487641, 44415025, 32500082,84412833, 83896188, 52243759, 49191410, 38744339, 48079796, 44937032,06267501, 81866886, 38575984, 25978688, 78974338, 41247821, 12356966,64842303, 79127158, 2366944, 68000570, 12426275, 96409230, 705972,8266503, 83820884, 8831807, 43273308, 23216105, 29196547, 95160161,05553537, 52182214, 32641346, 91553427, 24436506, 77433749, 1979664,52028151, 88985343, 1761499, 76203088, 63237368, 23405334, 59788467,9683688, 67755443, 29946533, 12053603, 437479, 15200030, 45286643,93537527, 82465821, 57367208, 53899751, 15354933, 97760830, 68933762,80220545, 1892750, 39868288, 21524323, 69716610, 65083815, 78048499,3227391, 83340521, 87365045, 71720254, 51031183, 89168555, 8503028,37086236, 25103057, 87002524, 22808816, 80928090, 90741678, 15993372,99117082, 49938176, 21755083, 86903426, 87830263, 53959980, 75758119,59781354, 58679691, 25666982, 56307643, 47180521, 62776522, 78136608,44882734, 90758589, 8075999, 66303819, 23480347, 11580163, 87080118,18329165, 92514163, 89404632, 92377859, 3912329, 17499963, 59699979,79876366, 63894807, 37857001, 86003935, 90087123, 29433345, 80298948,61531153, 61046319, 37839841, 19421134, 48747364, 35196916, 62484573,59907079, 36845702, 21631642, 72739317, 26283700, 80114017, 76639390,29154110, 35159758, 47788699, 11818851, 56520669, 36396767, 36031167,83817428, 10657376, 90076467, 14676452, 11024560, 16327605, 76048344,14444084, 95452011, 99612346, 65172562, 84813675, 88618282, 38704390,27998014, 63859011, 33787505, 60024611, 16229880, 13899299, 35240335,29173227, 45036451, 66177893, 82658333, 43100730, 44520187, 74290047,85013538, 9926730, 27724594, 95148523, 20503000, 64390907, 26006953,98116293, 97457666, 29017396, 04634371, 70791589, };int num=0;//用來計算公共元素的個數int [] d=new int[A.length];//輔助數組用來存放相同的元素for(int i=0;i<A.length;i++) {for(int j=0;j<B.length;j++) {if(A[i]==B[j]) {d[num]=A[i];num++;}}}for(int i=0;i<C.length;i++) {for(int j=0;j<d.length;j++) {if(C[i]==d[j]) {num--;}}}System.out.println(num);}}

答案

20

總結

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