哪位大虾帮忙给看一下,为什么运行结果会出错
这是一个用来合并一元多项式的C语言程序,语法没错误,但不知道为什么运行结果却不对哪位大虾帮忙给看一下,感激不尽!!!!!
#include <stdio.h>
#include <malloc.h>
typedef struct /*定义链表结构*/
{
float xs;
int zs;
}elemtype;
typedef struct JIED
{elemtype data;
struct JIED *next;
}infm;
infm *ha,*hb,*hc,*la,*lb,*lc,*s;
int m,n;
int initiate(infm **h) /*链表初始化*/
{if((*h=(infm *)malloc(sizeof(infm)))==NULL)return 0;
(*h)->next=NULL;
return 1;
}
int input(infm **h,infm *l,int m) /*输入链表数据*/
{int i;
l=*h;
for(i=1;i<=m;i++)
{if((s=(infm *)malloc(sizeof(infm)))==NULL)return 0;
s->next=NULL;
scanf("%f,%d",&s->data.xs,&s->data.zs);
l->next=s;
l=l->next;
}
return 1;
}
int hebing(infm **ha,infm **hb,infm **hc)
{la=(*ha)->next;
lb=(*hb)->next;
lc=*hc;
while(la&&lb)
{if((s=(infm *)malloc(sizeof(infm)))==NULL)return 0;
s->next=NULL;
if(la->data.zs>lb->data.zs)
{s->data.zs=lb->data.zs;
s->data.xs=lb->data.xs;
lb=lb->next;
}
if(la->data.zs<lb->data.zs)
{s->data.zs=la->data.zs;
s->data.xs=la->data.xs;
la=la->next;
}
if(la->data.zs==lb->data.zs)
{s->data.zs=lb->data.zs;
s->data.xs=lb->data.xs+la->data.xs;
lb=lb->next;
la=la->next;
}
lc->next=s;
lc=lc->next;
}
while(lb)
{if((s=(infm *)malloc(sizeof(infm)))==NULL)return 0;
s->next=NULL;
s->data.zs=lb->data.zs;
s->data.xs=lb->data.xs;
lc->next=s;
lc=lc->next;
lb=lb->next;
}
while(la)
{if((s=(infm *)malloc(sizeof(infm)))==NULL)return 0;
s->next=NULL;
s->data.zs=la->data.zs;
s->data.xs=la->data.xs;
lc->next=s;
lc=lc->next;
la=la->next;
}
return 1;
}
int output(infm **hc,char c)
{int j=0,i; /*计数器*/
s=(*hc)->next;
while(s)
{s=s->next;
j++;
}
printf("合并后的多项式%c(x)=",c);
s=(*hc)->next;
for(i=1;i<j;i++)
{printf("%8.2fxe[%d]+",s->data.xs,s->data.zs);
s=s->next;
}
printf("%8.2fxe[%d]\n",s->data.xs,s->data.zs);
return 1;
}
void main()
{
char a='A',b='B',c='C';
printf("请输入A(x)的项数:\n");
scanf("%d",&m);
printf("请输入B(x)的项数:\n");
scanf("%d",&n);
initiate(&ha);
initiate(&hb);
printf("请输入A(x)的系数和指数(以\",\"间隔):\n");
input(&ha,la,m);
output(&ha,a);
printf("请输入B(x)的系数和指数(以\",\"间隔):\n");
input(&hb,lb,n);
output(&hb,b);
initiate(&hc);
hebing(&ha,&hb,&hc);
output(&hc,c);
}