Addition of polynomials : C Program

/* Addition of polynomials */

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

void main()
{
 int poly[10][10],sum[10],i,j,k,no;
 clrscr();

 printf("\n How many polynomials you want to add : ");
 scanf("%d",&no);

 printf("\nEnter %d polynimials : \n",no);
 for(i=0;i<no;i++)
 {
  printf("\nEnter a,b,c,d for ax^2+bx^1+c=d  for polynomial no %d : ",i+1);
  for(j=0;j<4;j++)
  {
   scanf("%d",&poly[i][j]);
  }
 }

 //addition logic
 k=0;
 for(i=0;i<4;i++)
 {
  sum[k]=0;
  for(j=0;j<no;j++)
  {
   sum[k]=sum[k]+poly[j][i];
  }
  k=k+1;
 }

 printf("\nResultant Equation : %dx^2 + %dx^1 + %d = %d ",sum[0],sum[1],sum[2],sum[3]);
 getch();
}

Output screens :

Click here : How to Add polynomials - @jay