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Addition of two polynomials in C
Posted Date:
Total Responses: 0
Posted By: Saheli Member Level: Gold Points/Cash: 4
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#include
#include
struct term
{
int coeff;
int expo;
struct term *next;
};
typedef struct term TERM;
void insertend(TERM**,int,int); void polyadd(TERM*,TERM*,TERM**);
void display(TERM*);
void main()
{
int n,i,c,e;
TERM *head1,*head2,*head3;
head1=head2=head3=NULL;
clrscr();
printf("\nPolynomial 1: \n");
printf("\nEnter the number of terms : ");
scanf("%d",&n);
for(i=0;i {
printf("\nEnter coefficient of x : ");
scanf("%d",&c);
printf("\nEnter exponent of x : ");
scanf("%d",&e);
insertend(&head1,c,e);
}
printf("\nPolynomial 2: \n");
printf("Enter the number of terms : ");
scanf("%d",&n);
for(i=0;i {
printf("\nEnter coefficient of x : ");
scanf("%d",&c);
printf("\nEnter exponent of x : ");
scanf("%d",&e);
insertend(&head2,c,e);
}
polyadd(head1,head2,&head3);
display(head3);
getch();
}
void polyadd(TERM *p1,TERM *p2,TERM **p3)
{
int c,e;
while(p1!=NULL && p2!=NULL)
{
if(p1->expo>p2->expo)
{
c=p1->coeff;
e=p1->expo;
insertend(p3,c,e);
p1=p1->next;
}
else if(p2->expo>p1->expo)
{
c=p2->coeff;
e=p2->expo;
insertend(p3,c,e);
p2=p2->next;
}
else if(p1->coeff+p2->coeff==0)
{
p1=p1->next;
p2=p2->next;
}
else
{
c=p1->coeff+p2->coeff;
e=p1->expo;
insertend(p3,c,e);
p1=p1->next;
p2=p2->next;
}
}
while(p1!=NULL)
{
insertend(p3,p1->coeff,p1->expo);
p1=p1->next;
}
while(p2!=NULL)
{
insertend(p3,p2->coeff,p2->expo);
p2=p2->next;
}
}
void insertend(TERM **p,int c,int e)
{
TERM *n,*cur;
n=(TERM*)malloc(sizeof(TERM));
n->coeff=c;
n->expo=e;
n->next=NULL;
cur=*p;
if(*p==NULL)
*p=n;
else
{
while(cur->next!=NULL)
cur=cur->next;
cur->next=n;
}
}
void display(TERM *p)
{
TERM *cur;
cur=p;
printf("\nCoeff\t\tExpo\n");
while(cur!=NULL)
{
printf("\n%d\t\t%d",cur->coeff,cur->expo);
cur=cur->next;
}
}
 Attachments
Pollynomial add in C (2154-121139-POLYADD.C)
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