Slip 4 - B) Write a ‘C’ program to accept two polynomial and find the addition of accepted polynomials.(use array)

Solution:

#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()

{

    int a[20]={0},b[20]={0},c[20]={0},i,j,deg1,deg2,k;

    

    // 1st equation.

    printf("Enter degree of 1st polynomial equation : \n");

    scanf("%d",&deg1);

    printf("\nEnter your 1st equation (Coefficient only):\n");

    for(i=deg1;i>=0;i--)

    {

scanf("%d",&a[i]);

    }

    // 2nd equation.

    printf("\nEnter degree of 2nd polynomial equation : \n");

    scanf("%d",&deg2);

    printf("\nEnter your 2nd equation (Coefficient only):\n");

    for(j=deg2;j>=0;j--)

    {

scanf("%d",&b[j]);

    }

    // printing equations.

    printf("\n1st equation : ");

    for(i=deg1;i>=0;i--)

    {

if(a[i]>=0)

{

printf("+");

}

else

{

    printf("-");

}

printf("%dx^%d",abs(a[i]),i);

    }

    printf("\n\n2nd equation : ");

    for(j=deg2;j>=0;j--)

    {

if(b[j]>=0)

{

printf("+");

}

else

{

    printf("-");

}

printf("%dx^%d",abs(b[j]),j);

    }

    // addition of two equations

    i=j=k=0;

    if(deg1>deg2)

    {

while(i<=deg1)

{

c[k]=a[i]+b[j];

i++;

j++;

k++;

}

printf("\n\nResult of addition : ");

for(k=deg1;k>=0;k--)

{

if(c[k]>=0)

{

printf("+");

}

else

printf("-");

printf("%dx^%d",abs(c[k]),k);

}

    }

    else

    {

while(i<=deg2)

{

c[k]=b[j]+a[i];

i++;

j++;

k++;

}

printf("\n\nResult of addition : ");

for(k=deg2;k>=0;k--)

{

if(c[k]>=0)

{

printf("+");

}

else

printf("-");

printf("%dx^%d",abs(c[k]),k);

}

    }

    

}