Yester07 2022-07-03 18:48 采纳率: 48.5%
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已结题

将C++代码改为C语言代码

需求:
将C++代码改成C语言代码,把引用等等改掉
提示:
如果出现以下问题:

img

C语言中不能将随机的地址作为全局变量,因此应该把这里改成null,并在main函数中进行赋值
同时:
#define bool int
#define true 1
#define false 0
主要就是引用和*之间的关系了
希望能给个改了之后的代码,光说不太理解
以下是代码:

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#define MAX_NODESIZE 999999
#define N 3    //4



//----------------------------------八数码结构体----------------------------------//
typedef struct node
{
    //节点状态
    int a[N][N];

    //空格的下标
    int i_0, j_0;

    //启发信息
    int d, w, f;    //搜索深度,各棋子不在正确位置的数目,总代价

    //指向父节点指针
    struct node* father;
}node, * p_node;



//----------------------------------顺序表结构体----------------------------------//
typedef struct list
{
    p_node a[MAX_NODESIZE];
    long length;
}list, * p_list;



//-------------------------------初始节点&目标节点--------------------------------//
static int s0[N][N] = { 2,8,3,1,0,4,7,6,5 };    //初始结点
//static int s0[N][N] = { 1,2,3,4,6,7,8,0,5,10,11,12,9,13,14,15 };
/*
2    8    3
1    0    4
7    6    5
*/

static int sg[N][N] = { 1,2,3,8,0,4,7,6,5 };    //目标结点
//static int sg[N][N] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0 };
/*
1    2    3
8    0    4
7    6    5
*/


//---------------------------------结构体开辟空间---------------------------------//
p_node s_0 = (p_node)malloc(sizeof(node));        //初始节点
p_node s_g = (p_node)malloc(sizeof(node));        //目标节点

p_list OPEN = (p_list)malloc(sizeof(list));        //OPEN表
p_list CLOSE = (p_list)malloc(sizeof(list));    //CLOSE表



//------------------------------------声明函数------------------------------------//
int w(p_node s);                        //启发函数,再次设置为曼哈顿距离
int f(p_node s);                        //估价函数
void init_node();                        //初始化
void out_node(p_node s);                //输出八数码
void out_list(p_list& l);                //输出OPEN表
bool search_list(p_list& l, p_node s);//对表进行查找,成功返回true
void sort_list(p_list& l);                //对OPEN表进行排序(按f从小到大)
void add_list(p_list& l, p_node s);    //加入结点到OPEN表中或CLOSE表中
void copy_node(p_node s1, p_node& s2);//生成新的结点(将s2赋值给s1)
void delete_list(p_list& l);            //从OPEN表或CLOSE中删除结点
bool is_equal(p_node s1, p_node s2);    //判断两节点是否相等
bool up_mov(p_node& s);                //空格上移
bool down_mov(p_node& s);                //空格下移
bool left_mov(p_node& s);                //空格左移
bool right_mov(p_node& s);                //空格右移
void move(p_node s);                    //移动父节点并加入未探索表中(扩展结点)
int find_i(int a);
int find_j(int a);



//-------------------------------------主函数-------------------------------------//
int main()
{
    init_node();

    printf("\n程序求解过程如下:\n");
    printf("=================================================================\n\n");

    while (OPEN->length != 0 && CLOSE->length <= 1000)    //最多循环次数1000次
    {
        p_node n = OPEN->a[0];    //把Open表的第一个节点取出放入Close表,并记该节点为n
        delete_list(OPEN);

        if (is_equal(n, s_g))    //考察节点n是否为目标节点。若是,则找到了问题的解,成功退出;亦可换成 if(w(n)==0){...}
        {
            //list_reverse(n);
            while (n)
            {
                printf("第 %d 步:\n", n->d + 1);
                out_node(n);
                n = n->father;
            }
            break;
        }

        add_list(CLOSE, n);
        move(n);    //扩展节点

        sort_list(OPEN);
        out_list(OPEN);
    }

    if (OPEN->length == 0 || CLOSE->length > 10000)
    {
        printf("\n从初始结点无法到达目标结点!\n\n");
    }

    return 0;


}



//--------------------------计算启发函数,为曼哈顿距离---------------------------//
int w(p_node s)
{
    int r = 0;
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            r += abs(i - find_i(s->a[i][j])) + abs(j - find_j(s->a[i][j]));
        }
    }
    return r;
}

int f(p_node s)
{
    return (s->d + s->w);
}


//-------------------------------------初始化-------------------------------------//
void init_node()
{
    //------------------------初始化初始节点

    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            s_0->a[i][j] = s0[i][j];

            if (s_0->a[i][j] == 0)
            {
                s_0->i_0 = i;
                s_0->j_0 = j;
            }
        }
    }

    s_0->d = 0;
    s_0->w = w(s_0);
    s_0->f = f(s_0);
    s_0->father = NULL;

    //------------------------初始化目标节点

    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            s_g->a[i][j] = sg[i][j];
            if (s_g->a[i][j] == 0)
            {
                s_g->i_0 = i;
                s_g->j_0 = j;
            }
        }
    }

    s_g->d = 0;
    s_g->w = w(s_g);
    s_g->f = f(s_g);

    OPEN->length = 0;
    CLOSE->length = 0;

    add_list(OPEN, s_0);    //初始节点加入OPEN表中

    printf("初始节点为:\n");    //打印初始节点
    out_node(s_0);

    printf("目标节点为:\n");    //打印目标节点
    out_node(s_g);
}



//---------------------------------输出八数码-------------------------------------//
void out_node(p_node s)
{
    printf("-------------------\n");
    //printf(" x=%d,y=%d\n", s->i_0, s->j_0);
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            printf("%5d", s->a[i][j]);
        }

        printf("\n");
    }
    printf("-------------------");
    printf(" d=%d,w=%d;  f=%d\n\n\n", s->d, s->w, s->f);
}



////---------------------------------将链表逆序-------------------------------------//
//void list_reverse(p_node& p)
//{
//    p_node p_pre, p_suc;
//
//    p_pre = NULL;
//    p_suc = p->father;
//
//    while (p)
//    {
//        p->father = p_pre;
//        p_pre = p;
//        if (p_suc == NULL)
//            break;
//        p = p_suc;
//        p_suc = p_suc->father;
//    }
//}



//---------------------------------输出OPEN表-------------------------------------//
void out_list(p_list& l)
{
    printf("****************************************************************\n");
    for (int i = 0; i < l->length; i++)
    {
        out_node(l->a[i]);
    }
    printf("****************************************************************\n");
}


//-------------------------对表进行查找,成功返回true-----------------------------//
bool search_list(p_list& l, p_node s)
{
    for (int i = 0; i < l->length; i++)
    {
        if (is_equal(l->a[i], s))
            return true;
    }

    return false;
}



//-------------------对OPEN表进行排序(按f从小到大)(插入)-----------------------//
void sort_list(p_list& l)
{
    p_node temp = (p_node)malloc(sizeof(node));

    for (int i = 1; i < l->length; i++)
    {
        int j = i - 1;
        copy_node(temp, l->a[i]);
        while (j >= 0 && (temp->f < l->a[j]->f))
        {
            copy_node(l->a[j + 1], l->a[j]);//l->a[j + 1] = l->a[j];
            j--;
        }
        copy_node(l->a[j + 1], temp);
    }
}


//------------------------加入结点到OPEN表中或CLOSE表中---------------------------//
void add_list(p_list& l, p_node s)
{
    l->a[l->length++] = s;
}


//-------------------------生成新的结点(将s2赋值给s1)---------------------------//
void copy_node(p_node s1, p_node& s2)
{
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            s1->a[i][j] = s2->a[i][j];
        }
    }

    s1->i_0 = s2->i_0;
    s1->j_0 = s2->j_0;

    s1->d = s2->d;
    s1->w = s2->w;
    s1->f = s2->f;
    s1->father = s2->father;
}



//--------------------------从OPEN表或CLOSE中删除结点-----------------------------//
void delete_list(p_list& l)
{
    for (int i = 0; i < l->length; i++)
    {
        l->a[i] = l->a[i + 1];
    }
    l->length--;
}



//----------------------------判断两节点是否相等----------------------------------//
bool is_equal(p_node s1, p_node s2)
{
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            if (s1->a[i][j] != s2->a[i][j])
            {
                return false;
            }
        }
    }

    return true;
}



//----------------------------------空格左移--------------------------------------//
bool left_mov(p_node& s)
{
    if (s->j_0 == 0)
        return false;
    int temp;
    temp = s->a[s->i_0][s->j_0];
    s->a[s->i_0][s->j_0] = s->a[s->i_0][s->j_0 - 1];
    s->a[s->i_0][s->j_0 - 1] = temp;

    s->j_0--;
    return true;
}



//----------------------------------空格右移--------------------------------------//
bool right_mov(p_node& s)
{
    if (s->j_0 == N - 1)
        return false;

    int temp;
    temp = s->a[s->i_0][s->j_0];
    s->a[s->i_0][s->j_0] = s->a[s->i_0][s->j_0 + 1];
    s->a[s->i_0][s->j_0 + 1] = temp;

    s->j_0++;
    return true;
}



//----------------------------------空格上移--------------------------------------//
bool up_mov(p_node& s)
{
    if (s->i_0 == 0)
        return false;

    int temp;
    temp = s->a[s->i_0][s->j_0];
    s->a[s->i_0][s->j_0] = s->a[s->i_0 - 1][s->j_0];
    s->a[s->i_0 - 1][s->j_0] = temp;

    s->i_0--;
    return true;
}



//----------------------------------空格上移--------------------------------------//
bool down_mov(p_node& s)
{
    if (s->i_0 == N - 1)
        return false;

    int temp;
    temp = s->a[s->i_0][s->j_0];
    s->a[s->i_0][s->j_0] = s->a[s->i_0 + 1][s->j_0];
    s->a[s->i_0 + 1][s->j_0] = temp;

    s->i_0++;
    return true;
}



//----------------------移动父节点并加入未探索表中(扩展结点)--------------------//
void move(p_node s)
{
    p_node p1 = (p_node)malloc(sizeof(node));
    p_node p2 = (p_node)malloc(sizeof(node));
    p_node p3 = (p_node)malloc(sizeof(node));
    p_node p4 = (p_node)malloc(sizeof(node));

    copy_node(p1, s);
    copy_node(p2, s);
    copy_node(p3, s);
    copy_node(p4, s);

    p1->father = s;
    p2->father = s;
    p3->father = s;
    p4->father = s;

    //如果能够移动且在CLOSE表中不存在,则加入OPEN表中
    if (left_mov(p1) && !is_equal(p1, p1->father) && !search_list(CLOSE, p1) && !search_list(OPEN, p1))
    {
        add_list(OPEN, p1);
        p1->d++;
        p1->w = w(p1);
        p1->f = f(p1);
    }
    else
        free(p1);

    if (right_mov(p2) && !is_equal(p2, p2->father) && !search_list(CLOSE, p2) && !search_list(OPEN, p2))
    {
        add_list(OPEN, p2);
        p2->d++;
        p2->w = w(p2);
        p2->f = f(p2);
    }
    else
        free(p2);

    if (up_mov(p3) && !is_equal(p3, p3->father) && !search_list(CLOSE, p3) && !search_list(OPEN, p3))
    {
        add_list(OPEN, p3);
        p3->d++;
        p3->w = w(p3);
        p3->f = f(p3);
    }
    else
        free(p3);

    if (down_mov(p4) && !is_equal(p4, p4->father) && !search_list(CLOSE, p4) && !search_list(OPEN, p4))
    {
        add_list(OPEN, p4);
        p4->d++;
        p4->w = w(p4);
        p4->f = f(p4);
    }
    else
        free(p4);
}

int find_i(int a)
{
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            if (sg[i][j] == a)
                return i;
        }
    }
}

int find_j(int a)
{
    for (int i = 0; i < N; i++)
    {
        for (int j = 0; j < N; j++)
        {
            if (sg[i][j] == a)
                return j;
        }
    }
}



  • 写回答

2条回答 默认 最新

  • 浪客 2022-07-03 19:05
    关注
    
    #define _CRT_SECURE_NO_WARNINGS
    #include <math.h>
    #include <stdbool.h>
    #include <stdio.h>
    #include <stdlib.h>
    #define MAX_NODESIZE 999999
    #define N 3 // 4
    
    //----------------------------------八数码结构体----------------------------------//
    typedef struct node
    {
        //节点状态
        int a[N][N];
    
        //空格的下标
        int i_0, j_0;
    
        //启发信息
        int d, w, f; //搜索深度,各棋子不在正确位置的数目,总代价
    
        //指向父节点指针
        struct node *father;
    } node, *p_node;
    
    //----------------------------------顺序表结构体----------------------------------//
    typedef struct list
    {
        p_node a[MAX_NODESIZE];
        long length;
    } list, *p_list;
    
    //-------------------------------初始节点&目标节点--------------------------------//
    static int s0[N][N] = {2, 8, 3, 1, 0, 4, 7, 6, 5}; //初始结点
    // static int s0[N][N] = { 1,2,3,4,6,7,8,0,5,10,11,12,9,13,14,15 };
    /*
    2    8    3
    1    0    4
    7    6    5
    */
    
    static int sg[N][N] = {1, 2, 3, 8, 0, 4, 7, 6, 5}; //目标结点
    // static int sg[N][N] = { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,0 };
    /*
    1    2    3
    8    0    4
    7    6    5
    */
    
    //---------------------------------结构体开辟空间---------------------------------//
    p_node s_0 = NULL; //(p_node) malloc(sizeof(node));             //初始节点
    p_node s_g = NULL; //(p_node)malloc(sizeof(node)); //目标节点
    
    p_list OPEN = NULL;  // (p_list)malloc(sizeof(list));  // OPEN表
    p_list CLOSE = NULL; //(p_list)malloc(sizeof(list)); // CLOSE表
    
    //------------------------------------声明函数------------------------------------//
    int w(p_node s);                      //启发函数,再次设置为曼哈顿距离
    int f(p_node s);                      //估价函数
    void init_node();                     //初始化
    void out_node(p_node s);              //输出八数码
    void out_list(p_list l);              //输出OPEN表
    bool search_list(p_list l, p_node s); //对表进行查找,成功返回true
    void sort_list(p_list l);             //对OPEN表进行排序(按f从小到大)
    void add_list(p_list l, p_node s);    //加入结点到OPEN表中或CLOSE表中
    void copy_node(p_node s1, p_node s2); //生成新的结点(将s2赋值给s1)
    void delete_list(p_list l);           //从OPEN表或CLOSE中删除结点
    bool is_equal(p_node s1, p_node s2);  //判断两节点是否相等
    bool up_mov(p_node s);                //空格上移
    bool down_mov(p_node s);              //空格下移
    bool left_mov(p_node s);              //空格左移
    bool right_mov(p_node s);             //空格右移
    void move(p_node s);                  //移动父节点并加入未探索表中(扩展结点)
    int find_i(int a);
    int find_j(int a);
    
    //-------------------------------------主函数-------------------------------------//
    int main()
    {
        s_0 = (p_node)malloc(sizeof(node)); //初始节点
        s_g = (p_node)malloc(sizeof(node)); //目标节点
    
        OPEN = (p_list)malloc(sizeof(list));  // OPEN表
        CLOSE = (p_list)malloc(sizeof(list)); // CLOSE表
        init_node();
    
        printf("\n程序求解过程如下:\n");
        printf("=================================================================\n\n");
    
        while (OPEN->length != 0 && CLOSE->length <= 1000) //最多循环次数1000次
        {
            p_node n = OPEN->a[0]; //把Open表的第一个节点取出放入Close表,并记该节点为n
            delete_list(OPEN);
    
            if (is_equal(n, s_g)) //考察节点n是否为目标节点。若是,则找到了问题的解,成功退出;亦可换成 if(w(n)==0){...}
            {
                // list_reverse(n);
                while (n)
                {
                    printf("第 %d 步:\n", n->d + 1);
                    out_node(n);
                    n = n->father;
                }
                break;
            }
    
            add_list(CLOSE, n);
            move(n); //扩展节点
    
            sort_list(OPEN);
            out_list(OPEN);
        }
    
        if (OPEN->length == 0 || CLOSE->length > 10000)
        {
            printf("\n从初始结点无法到达目标结点!\n\n");
        }
    
        return 0;
    }
    
    //--------------------------计算启发函数,为曼哈顿距离---------------------------//
    int w(p_node s)
    {
        int r = 0;
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                r += abs(i - find_i(s->a[i][j])) + abs(j - find_j(s->a[i][j]));
            }
        }
        return r;
    }
    
    int f(p_node s)
    {
        return (s->d + s->w);
    }
    
    //-------------------------------------初始化-------------------------------------//
    void init_node()
    {
        //------------------------初始化初始节点
    
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                s_0->a[i][j] = s0[i][j];
    
                if (s_0->a[i][j] == 0)
                {
                    s_0->i_0 = i;
                    s_0->j_0 = j;
                }
            }
        }
    
        s_0->d = 0;
        s_0->w = w(s_0);
        s_0->f = f(s_0);
        s_0->father = NULL;
    
        //------------------------初始化目标节点
    
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                s_g->a[i][j] = sg[i][j];
                if (s_g->a[i][j] == 0)
                {
                    s_g->i_0 = i;
                    s_g->j_0 = j;
                }
            }
        }
    
        s_g->d = 0;
        s_g->w = w(s_g);
        s_g->f = f(s_g);
    
        OPEN->length = 0;
        CLOSE->length = 0;
    
        add_list(OPEN, s_0); //初始节点加入OPEN表中
    
        printf("初始节点为:\n"); //打印初始节点
        out_node(s_0);
    
        printf("目标节点为:\n"); //打印目标节点
        out_node(s_g);
    }
    
    //---------------------------------输出八数码-------------------------------------//
    void out_node(p_node s)
    {
        printf("-------------------\n");
        // printf(" x=%d,y=%d\n", s->i_0, s->j_0);
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                printf("%5d", s->a[i][j]);
            }
    
            printf("\n");
        }
        printf("-------------------");
        printf(" d=%d,w=%d;  f=%d\n\n\n", s->d, s->w, s->f);
    }
    
    ////---------------------------------将链表逆序-------------------------------------//
    // void list_reverse(p_node& p)
    //{
    //     p_node p_pre, p_suc;
    //
    //     p_pre = NULL;
    //     p_suc = p->father;
    //
    //     while (p)
    //     {
    //         p->father = p_pre;
    //         p_pre = p;
    //         if (p_suc == NULL)
    //             break;
    //         p = p_suc;
    //         p_suc = p_suc->father;
    //     }
    // }
    
    //---------------------------------输出OPEN表-------------------------------------//
    void out_list(p_list l)
    {
        printf("****************************************************************\n");
        for (int i = 0; i < l->length; i++)
        {
            out_node(l->a[i]);
        }
        printf("****************************************************************\n");
    }
    
    //-------------------------对表进行查找,成功返回true-----------------------------//
    bool search_list(p_list l, p_node s)
    {
        for (int i = 0; i < l->length; i++)
        {
            if (is_equal(l->a[i], s))
                return true;
        }
    
        return false;
    }
    
    //-------------------对OPEN表进行排序(按f从小到大)(插入)-----------------------//
    void sort_list(p_list l)
    {
        p_node temp = (p_node)malloc(sizeof(node));
    
        for (int i = 1; i < l->length; i++)
        {
            int j = i - 1;
            copy_node(temp, l->a[i]);
            while (j >= 0 && (temp->f < l->a[j]->f))
            {
                copy_node(l->a[j + 1], l->a[j]); // l->a[j + 1] = l->a[j];
                j--;
            }
            copy_node(l->a[j + 1], temp);
        }
    }
    
    //------------------------加入结点到OPEN表中或CLOSE表中---------------------------//
    void add_list(p_list l, p_node s)
    {
        l->a[l->length++] = s;
    }
    
    //-------------------------生成新的结点(将s2赋值给s1)---------------------------//
    void copy_node(p_node s1, p_node s2)
    {
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                s1->a[i][j] = s2->a[i][j];
            }
        }
    
        s1->i_0 = s2->i_0;
        s1->j_0 = s2->j_0;
    
        s1->d = s2->d;
        s1->w = s2->w;
        s1->f = s2->f;
        s1->father = s2->father;
    }
    
    //--------------------------从OPEN表或CLOSE中删除结点-----------------------------//
    void delete_list(p_list l)
    {
        for (int i = 0; i < l->length; i++)
        {
            l->a[i] = l->a[i + 1];
        }
        l->length--;
    }
    
    //----------------------------判断两节点是否相等----------------------------------//
    bool is_equal(p_node s1, p_node s2)
    {
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                if (s1->a[i][j] != s2->a[i][j])
                {
                    return false;
                }
            }
        }
    
        return true;
    }
    
    //----------------------------------空格左移--------------------------------------//
    bool left_mov(p_node s)
    {
        if (s->j_0 == 0)
            return false;
        int temp;
        temp = s->a[s->i_0][s->j_0];
        s->a[s->i_0][s->j_0] = s->a[s->i_0][s->j_0 - 1];
        s->a[s->i_0][s->j_0 - 1] = temp;
    
        s->j_0--;
        return true;
    }
    
    //----------------------------------空格右移--------------------------------------//
    bool right_mov(p_node s)
    {
        if (s->j_0 == N - 1)
            return false;
    
        int temp;
        temp = s->a[s->i_0][s->j_0];
        s->a[s->i_0][s->j_0] = s->a[s->i_0][s->j_0 + 1];
        s->a[s->i_0][s->j_0 + 1] = temp;
    
        s->j_0++;
        return true;
    }
    
    //----------------------------------空格上移--------------------------------------//
    bool up_mov(p_node s)
    {
        if (s->i_0 == 0)
            return false;
    
        int temp;
        temp = s->a[s->i_0][s->j_0];
        s->a[s->i_0][s->j_0] = s->a[s->i_0 - 1][s->j_0];
        s->a[s->i_0 - 1][s->j_0] = temp;
    
        s->i_0--;
        return true;
    }
    
    //----------------------------------空格上移--------------------------------------//
    bool down_mov(p_node s)
    {
        if (s->i_0 == N - 1)
            return false;
    
        int temp;
        temp = s->a[s->i_0][s->j_0];
        s->a[s->i_0][s->j_0] = s->a[s->i_0 + 1][s->j_0];
        s->a[s->i_0 + 1][s->j_0] = temp;
    
        s->i_0++;
        return true;
    }
    
    //----------------------移动父节点并加入未探索表中(扩展结点)--------------------//
    void move(p_node s)
    {
        p_node p1 = (p_node)malloc(sizeof(node));
        p_node p2 = (p_node)malloc(sizeof(node));
        p_node p3 = (p_node)malloc(sizeof(node));
        p_node p4 = (p_node)malloc(sizeof(node));
    
        copy_node(p1, s);
        copy_node(p2, s);
        copy_node(p3, s);
        copy_node(p4, s);
    
        p1->father = s;
        p2->father = s;
        p3->father = s;
        p4->father = s;
    
        //如果能够移动且在CLOSE表中不存在,则加入OPEN表中
        if (left_mov(p1) && !is_equal(p1, p1->father) && !search_list(CLOSE, p1) && !search_list(OPEN, p1))
        {
            add_list(OPEN, p1);
            p1->d++;
            p1->w = w(p1);
            p1->f = f(p1);
        }
        else
            free(p1);
    
        if (right_mov(p2) && !is_equal(p2, p2->father) && !search_list(CLOSE, p2) && !search_list(OPEN, p2))
        {
            add_list(OPEN, p2);
            p2->d++;
            p2->w = w(p2);
            p2->f = f(p2);
        }
        else
            free(p2);
    
        if (up_mov(p3) && !is_equal(p3, p3->father) && !search_list(CLOSE, p3) && !search_list(OPEN, p3))
        {
            add_list(OPEN, p3);
            p3->d++;
            p3->w = w(p3);
            p3->f = f(p3);
        }
        else
            free(p3);
    
        if (down_mov(p4) && !is_equal(p4, p4->father) && !search_list(CLOSE, p4) && !search_list(OPEN, p4))
        {
            add_list(OPEN, p4);
            p4->d++;
            p4->w = w(p4);
            p4->f = f(p4);
        }
        else
            free(p4);
    }
    
    int find_i(int a)
    {
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                if (sg[i][j] == a)
                    return i;
            }
        }
        return 0;
    }
    
    int find_j(int a)
    {
        for (int i = 0; i < N; i++)
        {
            for (int j = 0; j < N; j++)
            {
                if (sg[i][j] == a)
                    return j;
            }
        }
        return 0;
    }
    
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  • 系统已结题 7月11日
  • 已采纳回答 7月3日
  • 修改了问题 7月3日
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