Answer to Question #258209 in Algorithms for siri

Question

Write a C code to add two polynomials having five numbers of unknown variables

Answer 1

#include<stdio.h>
#include<math.h>
#include<conio.h>


struct poly
{
 float coeff;
 int exp;
};


struct poly polynomial1[50],polynomial2[50],polynomialSum[50],d[50];


int main()
{
 int i;
 int d1,d2; 
 int k=0,l=0,m=0;
 printf("Enter the highest degree of polynomial 1: ");
 scanf("%d",&d1);
 for(i=0;i<=d1;i++){
 printf("Enter the coeff of x^%d :",i);
 scanf("%f",&polynomial1[i].coeff);
 polynomial1[k++].exp = i;
 }
 printf("Enter the highest degree of polynomial 2: ");
 scanf("%d",&d2);


 for(i=0;i<=d2;i++)
 { 
 printf("Enter the coeff of x^%d: ",i);
 scanf("%f",&polynomial2[i].coeff);


 polynomial2[l++].exp = i;
 }


 printf("\nPolynomial 1 = %.1f",polynomial1[0].coeff);
 for(i=1;i<=d1;i++)
 {
 printf("+ %.1fx^%d",polynomial1[i].coeff,polynomial1[i].exp);
 } 


 printf("\nPolynomial 2 = %.1f",polynomial2[0].coeff);
 for(i=1;i<=d2;i++)
 {
 printf("+ %.1fx^%d",polynomial2[i].coeff,polynomial2[i].exp);
 }


 
 if(d1>d2)
 {
 for(i=0;i<=d2;i++)
 {
 polynomialSum[m].coeff = polynomial1[i].coeff + polynomial2[i].coeff;
 polynomialSum[m].exp = polynomial1[i].exp;
 m++;
 }


 for(i=d2+1;i<=d1;i++)
 {
 polynomialSum[m].coeff = polynomial1[i].coeff;
 polynomialSum[m].exp = polynomial1[i].exp;
 m++;
 }


 }
 else
 {
 for(i=0;i<=d1;i++)
 {
 polynomialSum[m].coeff = polynomial1[i].coeff + polynomial2[i].coeff;
 polynomialSum[m].exp = polynomial1[i].exp;
 m++;
 }


 for(i=d1+1;i<=d2;i++)
 {
 polynomialSum[m].coeff = polynomial2[i].coeff;
 polynomialSum[m].exp = polynomial2[i].exp;
 m++;
 }
 }




 printf("\nThe sum of the two polynomials = %.1f",polynomialSum[0].coeff);
 for(i=1;i<m;i++)
 {
 printf("+ %.1fx^%d",polynomialSum[i].coeff,polynomialSum[i].exp);
 } 
 getchar();
 getchar();
 return 0;


}