#988. c++_ch06_02

c++_ch06_02

说明

算法提高&nbsp c++_ch06_02&nbsp  
时间限制:1.0s&nbsp  &nbsp 内存限制:512.0MB
 &nbsp  &nbsp
问题描述
  编写并测试如下函数:
  void&nbsp Add&nbsp (int&nbsp a[],&nbsp int&nbsp m,&nbsp int&nbsp b[],&nbsp int&nbsp n);
  该函数将数组b的前n个元素追加到数组a的前m个元素后,假定数组a具有至少存放m+n个元素的空间。例如,如果数组a为&nbsp {22,33,44,55,66,77,88,99},数组b为{20,30,40,50,60,70,80,90},则调用Add(a,5,b,3)&nbsp 后,将把数组a变为{22,33,44,55,66,20,30,40}。注意数组b并没有改变,而且数组a中只需改变n个元素。
测试
  输入:4行。第一行为两个整数:m,n,并以空格隔开,分别表示将要输入的数组a和数组b的元素的个数。第二行为m个整数,为数组a的元素;第三行为n个整数,为数组b的元素。第四行为两个整数m1,n1,表示把数组b的前n1个元素追加到数组a的前m1个元素后。
  输出:1行。第一行为最后数组a中的元素,两个元素之间以逗号隔开。最后一个元素输出后,输出一个空行。
参考程序
  #include&nbsp < cassert>
  #include&nbsp < iostream>
  using&nbsp namespace&nbsp std;

  void&nbsp Disp(int&nbsp a[],&nbsp int&nbsp n)
  {
  for&nbsp (int&nbsp i=0;&nbsp i< n-1;&nbsp i++)
  cout&nbsp < < &nbsp a[i]&nbsp < < &nbsp " ,&nbsp " ;
  cout&nbsp < < &nbsp a[n-1]&nbsp < < &nbsp endl;
  }

  void&nbsp Add(int&nbsp a[],&nbsp int&nbsp m,&nbsp int&nbsp b[],&nbsp int&nbsp n)
  {
  //...请补充完整
  }

  int&nbsp main()
  {
  int*&nbsp a&nbsp =&nbsp NULL;
  int*&nbsp b&nbsp =&nbsp NULL;
  int&nbsp i&nbsp =&nbsp 0;
  int&nbsp m,&nbsp n;
  cin&nbsp > > &nbsp m&nbsp > > &nbsp n;
  a&nbsp =&nbsp new&nbsp int[m&nbsp +&nbsp n];
  b&nbsp =&nbsp new&nbsp int[n];
  for(i&nbsp =&nbsp 0;&nbsp i&nbsp < &nbsp m;&nbsp i++)
  cin&nbsp > > &nbsp a[i];
  for(i&nbsp =&nbsp 0;&nbsp i&nbsp < &nbsp n;&nbsp i++)
  cin&nbsp > > &nbsp b[i];

  int&nbsp m1,&nbsp n1;
  cin&nbsp > > &nbsp m1&nbsp > > &nbsp n1;

  //&nbsp 请补充完整


  return&nbsp 0;
  }