Program to add two polynomials maintained as linked lists.
#include #include #include /* structure representing a node of a linked list. The node can store term of a polynomial */ struct polynode { float coeff ; int exp ; struct polynode *link ; } ; void poly_append ( struct polynode **, float, int ) ; void display_poly ( struct polynode * ) ; void poly_add ( struct polynode *, struct polynode *, struct polynode ** ) ; void main( ) { struct polynode *first, *second, *total ; int i = 0 ; first = second = total = NULL ; /* empty linked lists */ poly_append ( &first, 1.4, 5 ) ; poly_append ( &first, 1.5, 4 ) ; poly_append ( &first, 1.7, 2 ) ; poly_append ( &first, 1.8, 1 ) ; poly_append ( &first, 1.9, 0 ) ; clrscr( ) ; display_poly ( first ) ; poly_append ( &second, 1.5, 6 ) ; poly_append ( &second, 2.5, 5 ) ; poly_append ( &second, -3.5, 4 ) ; poly_append ( &second, 4.5, 3 ) ; poly_append ( &second, 6.5, 1 ) ; printf ( "\n\n" ) ; display_poly ( second ) ; /* draws a dashed h...