阿里巴巴2016研发工程师笔试题及答案（一）.pdf

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1、AADCDBBADCDCDA=8_BA3 : B : ()610123840CSomething_CSomething: E : ()1098765Att+10.35P(O_t+1=0|O_t=1)=0.35(“1”“0”P(O_t+1=1|O_t=1)=0.65 P(O_t+1=0|O_t=0)=0.4 P(O_t+1=1|O_t=0)=0.6At=0t=100000_: C : ()0.53710.45820.6316)CSomethingCSomething0.14350.32760.7132409AB789007890A4B041234=0A4B2341=1A3B3412=2A2B_4

2、A0B: D : ()012345ABC_: D : ()123579_: B : ()AA A: _: B : ()a b cb cb c d eb c dbc8*6AB_P : B : ()456492568626680702100A40%2B20%4C10%6ABC600_: C : ()186.6200232.8_)256.8320332.6_: C : ()fwriteputcpwriteputchargetlinescanfAB512AB_A B 0 9 0 1 1 2 1 3 2 4 2 4 3 6 3 7 4 4 2 5 5 : B : ()460835844096512025

3、6020481G1G_: C : ()A A 0 06 _ 3 3 3 3 2 2 5 )Caesar)26Alibaba GroupRCzsrsr XIFLGk_: E : ()10111315171,2,3,.11/21/24_: E : ()212/514/516/518/541,2,3,.,49,50SxS2xSS_: D : ()252730333637Linux: D : ()fd1,2,3,.,49,501,2,3,.,49,501/2)array2, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 127n = 13, v = 127, b

4、searchwhile_: F : ()13456axb_3x5 : A : ()2, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 1272, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 127whilewhile2, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 1272, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 127)2, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 1272, 6, 8, 10, 13, 25, 36, 45, 53, 76, 88, 100, 127O(M*N)O(M+N)O(Mlogn)O(N*logM)O(M2*N2)O(max(M,N)381_: B : ()121314151617200200()800: A : ()400500600700800900200200( () )