수다닷컴

질문 제목 : 소스 해석좀요
#include stdio.h
#define max(a,b) ((ab)?a:b)
#define max_degree 50
typedef struct{
int degree;
float coef[max_degree];
} polynomial;
polynomial addpoly(polynomial a, polynomial b)
{
polynomial c;
int a_index=0, b_index=0, c_index=0;
int a_degree=a.degree, b_degree=b.degree;
c.degree=max(a.degree, b.degree);
while(a_index=a.degree && b_index=b.degree){
if(a_degree b_degree){
c.coef[c_index++] = a.coef[a_index++];
a_degree--;
}
else if(a_degree == b_degree){
c.coef[c_index++] = a.coef[a_index++]+b.coef[b_index++];
a_degree--;
b_degree--;
}
else{
c.coef[c_index++] = b.coef[b_index++];
b_degree--;
}
}
return c;
}
void printpoly(polynomial p)
{
int i, degree;
degree=p.degree;

for(i=0; i=p.degree; i++)
printf(%3.0fx^%d, p.coef[i], degree--);
printf(\n);
}

void main()
{
polynomial a={3, {4,3,5,0}};
polynomial b={4, {3,1,0,2,1}};
polynomial c;
c= addpoly(a,b);
printf(\n a(x)=); printpoly(a);
printf(\n b(x)=); printpoly(b);
printf(\n c(x)=); printpoly(c);
getchar();
}

질문 내용 :
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