addpoly.c

#include<stdio.h>
void createpoly(int poly[],int d)
{
    int i;
    printf("enter the coefficient for \n");
    for(i=d;i>=0;i--)
    {
        printf("degree %d element:",i);
        scanf("%d",&poly[i]);
    }
}
void display(int poly[],int d)
{
    int i;
    for(i=d;i>=0;i--)
    {
        if(i!=d && poly[i]>0)
         printf("+");
        printf("%dx^%d",poly[i],i);
    }
}
void main()
{
    int poly1[50],d1,i,poly2[50],d2,dres,polyres[50];
    printf("enter the degree of first polynomial");
    scanf("%d",&d1);
    createpoly(poly1,d1);
    printf("enter the degree of second polynomial");
    scanf("%d",&d2);
    createpoly(poly2,d2);
    if (d1>d2)
        dres=d1;
    else
        dres=d2;
    for(i=0;i<=dres;i++)
    {
        polyres[i]=poly1[i]+poly2[i];
    }
    printf("first poly is \n");
    display(poly1,d1);
    printf("\nsecond poly is \n");
    display(poly2,d2);
    printf("\nsum of polys are\n");
    display(polyres,dres);


}