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Sony筆試題和面試題答案(二)

更新:2023-09-15 16:40:45 高考升學(xué)網(wǎng)

  25.完成下列程序

  

  ..

  ......

  ............

  ....................

  ..............................

  ..........................................

  ........................................................

  #include

  #define N 8

  int main()

  {

  int i;

  int j;

  int k;

  ---------------------------------------------------------

  | |

  | |

  | |

  ---------------------------------------------------------

  return 0;

  }

  26 完成程序,實(shí)現(xiàn)對(duì)數(shù)組的降序排序

  #include

  void sort( );

  int main()

  {

  int array[]={45,56,76,234,1,34,23,2,3}; //數(shù)字任//意給出

  sort( );

  return 0;

  }

  void sort( )

  {

  ____________________________________

  | |

  | |

  |-----------------------------------------------------|

  }

  27 費(fèi)波那其數(shù)列,1,1,2,3,5……編寫(xiě)程序求第十項(xiàng)?梢杂眠f歸,也可以用其他方

  法,但要說(shuō)明你選擇的理由。

  #include

  int Pheponatch(int);

  int main()

  {

  printf("The 10th is %d",Pheponatch(10));

  return 0;

  }

  int Pheponatch(int N)

  {

  --------------------------------

  | |

  | |

  --------------------------------

  }

  28 下列程序運(yùn)行時(shí)會(huì)崩潰,請(qǐng)找出錯(cuò)誤并改正,并且說(shuō)明原因。

  #include

  #include

  typedef struct{

  TNode left;

  TNode right;

  int value;

  } TNode;

  TNode root=NULL;

  void append(int N);

  int main()

  {

  append(63);

  append(45);

  append(32);

  append(77);

  append(96);

  append(21);

  append(17); // Again, 數(shù)字任意給出

  }

  void append(int N)

  {

  TNode NewNode=(TNode )malloc(sizeof(TNode));

  NewNode->value=N;

  if(root==NULL)

  {

  root=NewNode;

  return;

  }

  else

  {

  TNode temp;

  temp=root;

  while((N>=temp.value && temp.left!=NULL) || (N

  NULL

  ))

  {

  while(N>=temp.value && temp.left!=NULL)

  temp=temp.left;

  while(N

  temp=temp.right;

  }

  if(N>=temp.value)

  temp.left=NewNode;

  else

  temp.right=NewNode;

  return;

  }

  }

  29. A class B network on the internet has a subnet mask of 255.255.240.0, what

  is the maximum number of hosts per subnet .

  a. 240 b. 255 c. 4094 d. 6553

  4

  30. What is the difference: between o(log n) and o(log n^2), where both logari

  thems have base 2 .

  a. o(log n^2) is bigger b. o(log n) is bigger

  c. no difference

  31. For a class what would happen if we call a class’s constructor from with

  the same class’s constructor .

  a. compilation error b. linking error

  c. stack overflow d. none of the above

  32. “new” in c++ is a: .

  a. library function like malloc in c

  b. key word c. operator

  d. none of the above

  33. Which of the following information is not contained in an inode .

  a. file owner b. file size

  c. file name d. disk address

  34. What’s the number of comparisons in the worst case to merge two sorted li

  sts containing n elements each .

  a. 2n b.2n-1 c.2n+1 d.2n-2

  35. Time complexity of n algorithm T(n), where n is the input size ,is T(n)=T(

  n-1)+1/n if n>1 otherwise 1 the order of this algorithm is .

  a. log (n) b. n c. n^2 d. n^n

  36. The number of 1’s in the binary rePsentation of 34096+ 15256+516+3 a

  re .

  a. 8 b. 9 c. 10 d. 12

  37.設(shè)計(jì)函數(shù) int atoi(char s)。

  38.int i=(j=4,k=8,l=16,m=32); printf(“%d”, i); 輸出是多少?

  39.解釋局部變量、全局變量和靜態(tài)變量的含義。

  40.解釋堆和棧的區(qū)別。

  41.論述含參數(shù)的宏與函數(shù)的優(yōu)缺點(diǎn)。

  42. 以下三條輸出語(yǔ)句分別輸出什么?[C易]

  char str1[] = "abc";

  char str2[] = "abc";

  const char str3[] = "abc";

  const char str4[] = "abc";

  const char str5 = "abc";

  const char str6 = "abc";

  cout << boolalpha << ( str1==str2 ) << endl; // 輸出什么?

  cout << boolalpha << ( str3==str4 ) << endl; // 輸出什么?

  cout << boolalpha << ( str5==str6 ) << endl; // 輸出什么?

  答:分別輸出false,false,true。str1和str2都是字符數(shù)組,每個(gè)都有其自己的存儲(chǔ)區(qū),它們的值則是各存儲(chǔ)區(qū)首地址,不等;str3和str4同上,只是按const語(yǔ)義,它們所指向的數(shù)據(jù)區(qū)不能修改。str5和str6并非數(shù)組而是字符指針,并不分配存儲(chǔ)區(qū),其后的“abc”以常量形式存于靜態(tài)數(shù)據(jù)區(qū),而它們自己僅是指向該區(qū)首地址的指針,相等。

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