Code:
#include stdio.h
#include stdlib.h
#define MAXSIZE 10
void main()
{
int array[MAXSIZE];
int i, num, power;
float x, polySum;
printf("Enter the order of the polynomial \n");
scanf("%d", &num);
printf("Enter the value of x \n");
scanf("%f", &x);
/* Read the coefficients into an array */
printf("Enter %d coefficients \n", num + 1);
for (i = 0; i <= num; i++)
{
scanf("%d", &array[i]);
}
polySum = array[0];
for (i = 1; i <= num; i++)
{
polySum = polySum * x + array[i];
}
power = num;
printf("Given polynomial is: \n");
for (i = 0; i <= num; i++)
{
if (power < 0)
{
break;
}
/* printing proper polynomial function */
if (array[i] > 0)
printf(" + ");
else if (array[i] < 0)
printf(" - ");
else
printf(" ");
printf("%dx^%d ", abs(array[i]), power--);
}
printf("\n Sum of the polynomial = %6.2f \n", polySum);
}
Output:
Enter the order of the polynomial
2
Enter the value of x
2
Enter 3 coefficients
3
2
6
Given polynomial is:
+ 3x^2 + 2x^1 + 6x^0
Sum of the polynomial = 22.00
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