#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
typedef int DataType;
typedef struct Node
{
DataType coef;
DataType expn;
struct Node *next;
} SLNode;
void ListInitiate(SLNode **head) //初始化
{
if((*head=(SLNode *)malloc(sizeof(SLNode)))==NULL) exit(1);
(*head)->next=NULL;
}
void ListInsert(SLNode *head) //插入
{
SLNode *p;
DataType c,e;
p=head;
printf("Please input the coef\n");
scanf("%d",&c);
printf("Please input the expn\n");
scanf("%d",&e);
while(c!=0&&e!=0)
{
p->next=(SLNode *)malloc(sizeof(SLNode));
p=p->next;
p->coef=c;
p->expn=e;
printf("Please input the next coef\n");
scanf("%d",&c);
printf("Please input the next expn\n");
scanf("%d",&e);
}
p->next=NULL;
}
void order(SLNode *head)
{
SLNode *p,*q,*s;
p=head;
q=head->next;
while(p!=NULL&&q!=NULL)
{
if(p->next->expn<q->next->expn)
{
q=q->next;
}
else if(p->next->expn>q->next->expn)
{
p->next=q->next;
q->next=p->next->next;
p->next->next=q;
}
else if(p->next->expn==q->next->expn)
{
s=q->next;
p->next->coef=p->next->coef+q->next->coef;
q->next=q->next->next;
free(s);
}
}
void main()
{
int m,n;
SLNode *a,*b,*c,*p;
ListInitiate(&a);
ListInitiate(&b);
ListInitiate(&c);
printf("请选择解析式 a or b \n");
scanf("%d",&m);
ListInsert(m);
printf("\n");
printf("请选择解析式 a or b \n");
scanf("%d",&n);
ListInsert(n);
printf("\n");
order(a);
order(b);
p=c;
while(a->next!=NULL&&b->next!=NULL)
{
a=a->next;
b=b->next;
if(a->expn>b->expn)
{
p->next=(SLNode *)malloc(sizeof(SLNode));
p=p->next;
p->coef=b->coef;
p->expn=b->expn;
p->next=NULL;
b=b->next;
}
else if(a->expn<b->expn)
{
p->next=(SLNode *)malloc(sizeof(SLNode));
p=p->next;
p->coef=a->coef;
p->expn=a->expn;
p->next=NULL;
a=a->next;
}
else if(a->expn==b->expn)
{
p->next=(SLNode *)malloc(sizeof(SLNode));
if(!(a->coef+b->coef==0))
{
p->next=(SLNode *)malloc(sizeof(SLNode));
p=p->next;
p->coef=a->coef+b->coef;
p->expn=a->expn;
}
a=a->next;
b=b->next;
}
}
}
.cpp(72) : error C2601: 'main' : local function definitions are illegal
.cpp(127) : fatal error C1004: unexpected end of file found
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