求C语言汉诺塔源码(递归和非递归都要)

2025-03-16 20:33:51
推荐回答(3个)
回答(1):

递归算法是我前些天写的,非递归是刚才找的,里面含递归和非递归。\x0d\x0a递归算法:\x0d\x0a#include \x0d\x0a//递归求汉诺塔问题\x0d\x0avoid hanoi(int n, char A, char B, char C, int *time)\x0d\x0a{\x0d\x0aif (n>=1)\x0d\x0a{\x0d\x0a hanoi(n-1, A, C, B, time);\x0d\x0a move(A, C);\x0d\x0a (*time)++;\x0d\x0a hanoi(n-1, B, A, C, time);\x0d\x0a }\x0d\x0a}\x0d\x0a//打印出每一步的路径\x0d\x0avoid move(char a, char c)\x0d\x0a{\x0d\x0aprintf(" %c-->%c\n", a, c);\x0d\x0a}\x0d\x0a\x0d\x0aint main(void)\x0d\x0a{\x0d\x0aint n, time = 0;;\x0d\x0aprintf("请输入汉诺塔的盘数:");\x0d\x0ascanf("%d", &n);\x0d\x0aprintf("%d个盘的汉诺塔移动方法是:", n);\x0d\x0aprintf("\n");\x0d\x0ahanoi(n, 'A', 'B', 'C', &time);\x0d\x0aprintf("移动了%d次\n", time);\x0d\x0asystem("pause");\x0d\x0areturn 0;\x0d\x0a}\x0d\x0a\x0d\x0a非递归算法:\x0d\x0a#include \x0d\x0a\x0d\x0a#define MAXSTACK 10 /* 栈的最大深度 */\x0d\x0a\x0d\x0aint c = 1; /* 一个全局变量,表示目前移动的步数 */\x0d\x0a\x0d\x0astruct hanoi { /* 存储汉诺塔的结构,包括盘的数目和三个盘的名称 */\x0d\x0aint n;\x0d\x0achar x, y, z;\x0d\x0a};\x0d\x0a\x0d\x0avoid move(char x, int n, char y) /* 移动函数,表示把某个盘从某根针移动到另一根针 */\x0d\x0a{\x0d\x0aprintf("%d-> %d from %c -> %c\n", c++, n, x, y);\x0d\x0a}\x0d\x0a\x0d\x0avoid hanoi(int n, char x, char y, char z) /* 汉诺塔的递归算法 */\x0d\x0a{\x0d\x0aif (1 == n)\x0d\x0amove(x, 1, z);\x0d\x0aelse {\x0d\x0ahanoi(n - 1, x, z, y);\x0d\x0amove(x, n, z);\x0d\x0ahanoi(n - 1, y, x, z);\x0d\x0a}\x0d\x0a}\x0d\x0a\x0d\x0avoid push(struct hanoi *p, int top, char x, char y, char z,int n)\x0d\x0a{\x0d\x0ap[top+1].n = n - 1;\x0d\x0ap[top+1].x = x;\x0d\x0ap[top+1].y = y;\x0d\x0ap[top+1].z = z;\x0d\x0a}\x0d\x0a\x0d\x0avoid unreverse_hanoi(struct hanoi *p) /* 汉诺塔的非递归算法 */\x0d\x0a{\x0d\x0aint top = 0;\x0d\x0a\x0d\x0awhile (top >= 0) {\x0d\x0awhile (p[top].n > 1) { /* 向左走到尽头 */\x0d\x0a push(p, top, p[top].x, p[top].z, p[top].y, p[top].n);\x0d\x0a top++;\x0d\x0a}\x0d\x0aif (p[top].n == 1) { /* 叶子结点 */\x0d\x0a move(p[top].x, 1, p[top].z);\x0d\x0a top--;\x0d\x0a}\x0d\x0aif (top >= 0) { /* 向右走一步 */\x0d\x0a move(p[top].x, p[top].n, p[top].z);\x0d\x0a top--;\x0d\x0a push(p, top, p[top+1].y, p[top+1].x, p[top+1].z, p[top+1].n);\x0d\x0a top++;\x0d\x0a}\x0d\x0a}\x0d\x0a}\x0d\x0a\x0d\x0aint main(void)\x0d\x0a{\x0d\x0aint i;\x0d\x0aprintf("递归:\n");\x0d\x0ahanoi(3, 'x', 'y', 'z');\x0d\x0aprintf("非递归:\n");\x0d\x0astruct hanoi p[MAXSTACK];\x0d\x0ac = 1;\x0d\x0ap[0].n = 3;\x0d\x0ap[0].x = 'x', p[0].y = 'y', p[0].z = 'z';\x0d\x0aunreverse_hanoi(p);\x0d\x0a\x0d\x0areturn 0;\x0d\x0a}

回答(2):

递归算法是我前些天写的,非递归是刚才找的,里面含递归和非递归。
递归算法:
#include
//递归求汉诺塔问题
void hanoi(int n, char A, char B, char C, int *time)
{
if (n>=1)
{
hanoi(n-1, A, C, B, time);
move(A, C);
(*time)++;
hanoi(n-1, B, A, C, time);
}
}
//打印出每一步的路径
void move(char a, char c)
{
printf(" %c-->%c\n", a, c);
}

int main(void)
{
int n, time = 0;;
printf("请输入汉诺塔的盘数:");
scanf("%d", &n);
printf("%d个盘的汉诺塔移动方法是:", n);
printf("\n");
hanoi(n, 'A', 'B', 'C', &time);
printf("移动了%d次\n", time);
system("pause");
return 0;
}

非递归算法:
#include

#define MAXSTACK 10 /* 栈的最大深度 */

int c = 1; /* 一个全局变量,表示目前移动的步数 */

struct hanoi { /* 存储汉诺塔的结构,包括盘的数目和三个盘的名称 */
int n;
char x, y, z;
};

void move(char x, int n, char y) /* 移动函数,表示把某个盘从某根针移动到另一根针 */
{
printf("%d-> %d from %c -> %c\n", c++, n, x, y);
}

void hanoi(int n, char x, char y, char z) /* 汉诺塔的递归算法 */
{
if (1 == n)
move(x, 1, z);
else {
hanoi(n - 1, x, z, y);
move(x, n, z);
hanoi(n - 1, y, x, z);
}
}

void push(struct hanoi *p, int top, char x, char y, char z,int n)
{
p[top+1].n = n - 1;
p[top+1].x = x;
p[top+1].y = y;
p[top+1].z = z;
}

void unreverse_hanoi(struct hanoi *p) /* 汉诺塔的非递归算法 */
{
int top = 0;

while (top >= 0) {
while (p[top].n > 1) { /* 向左走到尽头 */
push(p, top, p[top].x, p[top].z, p[top].y, p[top].n);
top++;
}
if (p[top].n == 1) { /* 叶子结点 */
move(p[top].x, 1, p[top].z);
top--;
}
if (top >= 0) { /* 向右走一步 */
move(p[top].x, p[top].n, p[top].z);
top--;
push(p, top, p[top+1].y, p[top+1].x, p[top+1].z, p[top+1].n);
top++;
}
}
}

int main(void)
{
int i;
printf("递归:\n");
hanoi(3, 'x', 'y', 'z');
printf("非递归:\n");
struct hanoi p[MAXSTACK];
c = 1;
p[0].n = 3;
p[0].x = 'x', p[0].y = 'y', p[0].z = 'z';
unreverse_hanoi(p);

return 0;
}

回答(3):

#include

//汉诺塔x层塔从A塔整体搬到C塔,中间临时B塔。
//x层塔是从大到小往上叠放。每次移动只能移动一层塔。并且在移动过程中必须保证小层在上边
//借助B塔可以将x层塔全部从A搬到C上,并且符合要求(在移动过程中大的那块在下边,小的那块在上边)
int main()
{
void tower(int x,char a,char b,char c); //声明函数
int x=5,a='A',b='B',c='C'; //x表示有5层塔,具体要多少层自己修改这个值。abc分别表示ABC塔。

tower(x,a,b,c); //x层塔从a移动到c的全过程,主程序只有这条有效语句

return 0;
}

//以下是tower函数的定义
//参数解析:x层塔放在a上,b是中间塔,c是目标塔。即x层塔要从a搬到c上。
//此函数实现x层塔从a整体转移到c上。以及这个过程是怎么搬的全部过程。
void tower(int x,char a,char b,char c)
{
if(x==1)printf("将%d从%c放到%c\n",x,a,c); //只有1层塔时,直接从a搬到c上。
else //不止1层塔,则先将x-1层塔从a按照规律搬到b上,再将最后一块从a搬到c上,最后再将b上的x-1层塔按照规律搬到c上。
{
tower(x-1,a,c,b); //先将x-1层塔从a按照规律搬到b上,注意参数b放在最后,因为放在最后的参数是准备搬过去的目标塔。
printf("将%d从%c放到%c\n",x,a,c); //将最后一块从a搬到c上
tower(x-1,b,a,c); //最后再将b上的x-1层塔按照规律搬到c上,注意参数b放在开头,因为x-1层是要从b上搬过去的。
}
}

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