C語言經典算法 - 雙色河內塔

#include <stdio.h>
void hanoi(int disks, char source, char temp, char target)
{
  if (disks == 1)
  {
    printf("move disk from %c to %c\n", source, target);
    printf("move disk from %c to %c\n", source, target);
  }
  else
  {
    hanoi(disks - 1, source, target, temp);
    hanoi(1, source, temp, target);
    hanoi(disks - 1, temp, source, target);
  }
}

void hanoi2colors(int disks)
{
  char source = 'A';
  char temp = 'B';
  char target = 'C';
  int i;
  for (i = disks / 2; i > 1; i--)
  {
    hanoi(i - 1, source, temp, target);
    printf("move disk from %c to %c\n", source, temp);
    printf("move disk from %c to %c\n", source, temp);
    hanoi(i - 1, target, temp, source);
    printf("move disk from %c to %c\n", temp, target);
  }
  printf("move disk from %c to %c\n", source, temp);
  printf("move disk from %c to %c\n", source, target);
}
int main()
{
  int n;
  printf("請輸入盤數：");
  scanf("%d", &n);
  hanoi2colors(n);
  return 0;
}</pre>