1009 说反话

#include <stdio.h>
void f(char* p,int n)
{
  int i = 0;
  int j = n;
  char temp;
  while (i < j)
  {
    temp = p[i];
    p[i] = p[j];
    p[j] = temp;
    i++; j--;
  }
}
int main()
{
  char arr[81];
  gets(arr);
  int n = strlen(arr)-1;
  //整个字符串逆序
  f(arr,n);
  //每个单词逆序
  int i = 0,count=0;
  for (i=0;i<=n+1;i++)
  {
    if (arr[i] == ' '||arr[i]=='\0')
    {
      f(arr + i - count, count - 1);
      count = 0;
    }
    else
      count++;
      
  }
  printf(arr);
  return 0;
}