gistfile1.cpp

#include <stdio.h>
#include <stdlib.h>
void three_n_plus_one(int n,int *count,int a[]);
int main(void)
{
  int count=0,input[3],a[100],i,j;
  printf("請輸入三個值:");
  scanf("%d %d %d",&input[0],&input[1],&input[2]);
  
  for(i=0;i<3;i++)
  {
     three_n_plus_one(input[i],&count,a);
     printf("總計算次數為:%d\n",count+1);
     printf("The proccess:");
     for(j=0;j<count;j++)
     {
       printf("%d ",a[j]);
     }
     printf("1\n");    
  }
  scanf(" ");
  //system("PAUSE");	
  return 0;
}
void three_n_plus_one(int n,int *count,int a[])
{ 
  printf("您輸入的值為:%d\n",n);
  a[0] = n;
  int cnt = 0;
  while(n!=1)
  {
    if(n%2!=0)
    {
      n=n*3+1;
      cnt++;
      a[cnt] = n;
    }
    if(n%2==0)
    {
      n=n/2;
      cnt++;
      a[cnt] = n;
    }
  }
  *count = cnt;
  //printf("計算的過程為:%d\n",a[]);
}