Create polynomialaddition.c

polynomialaddition.c

@@ -0,0 +1,110 @@
+#include<stdio.h>
+ struct poly
+ {
+	 int coeff;
+	 int expo;
+ };
+
+ struct poly p1[10],p2[10],p3[10];
+ int readPoly(struct poly []);
+ int addPoly(struct poly [],struct poly [],int ,int ,struct poly []);
+ void displayPoly( struct poly [],int terms);
+
+ int main()
+ {
+	int t1,t2,t3;
+	t1=readPoly(p1);
+	printf(" \n First polynomial : ");
+	displayPoly(p1,t1);
+	/* read and display second polynomial */
+	t2=readPoly(p2);
+	printf(" \n Second polynomial : ");
+	displayPoly(p2,t2);
+	t3=addPoly(p1,p2,t1,t2,p3);
+	printf(" \n\n Resultant polynomial after addition : ");
+	displayPoly(p3,t3);
+	printf("\n");
+
+	return 0;
+ }
+
+ int readPoly(struct poly p[10])
+ {
+	int t1,i;
+
+	printf("\n\n Enter the total number of terms in the polynomial:");
+	scanf("%d",&t1);
+
+	printf("\n Enter the COEFFICIENT and EXPONENT in DESCENDING ORDER\n");
+	for(i=0;i<t1;i++)
+	{
+		printf("   Enter the Coefficient(%d): ",i+1);
+		scanf("%d",&p[i].coeff);
+		printf("      Enter the exponent(%d): ",i+1);
+		scanf("%d",&p[i].expo);        /* only statement in loop */
+	}
+	return(t1);
+ }
+
+ int addPoly(struct poly p1[10],struct poly p2[10],int t1,int t2,struct poly p3[10])
+ {
+	int i,j,k;
+
+
+	i=0;
+	j=0;
+	k=0;
+
+	while(i<t1 && j<t2)
+	{
+		if(p1[i].expo==p2[j].expo)
+		{
+			p3[k].coeff=p1[i].coeff + p2[j].coeff;
+			p3[k].expo=p1[i].expo;
+
+			i++;
+			j++;
+			k++;
+		}
+		else if(p1[i].expo>p2[j].expo)
+		{
+			p3[k].coeff=p1[i].coeff;
+			p3[k].expo=p1[i].expo;
+			i++;
+			k++;
+		}
+		else
+		{
+			p3[k].coeff=p2[j].coeff;
+			p3[k].expo=p2[j].expo;
+			j++;
+			k++;
+		}
+	}
+	while(i<t1)
+	{
+		p3[k].coeff=p1[i].coeff;
+		p3[k].expo=p1[i].expo;
+		i++;
+		k++;
+	}
+
+	while(j<t2)
+	{
+		p3[k].coeff=p2[j].coeff;
+		p3[k].expo=p2[j].expo;
+		j++;
+		k++;
+	}
+
+	return(k); 
+ }
+
+ void displayPoly(struct poly p[10],int term)
+ {
+	int k;
+
+	for(k=0;k<term-1;k++)
+	printf("%d(x^%d)+",p[k].coeff,p[k].expo);
+	printf("%d(x^%d)",p[term-1].coeff,p[term-1].expo);
+}