Introduction - If you have any usage issues, please Google them yourself
NODE;
void multiplication( NODE *, NODE * , NODE * );
void input( NODE * );
void output( NODE * );
void input( NODE * head )
{ int flag, sign, sum, x;
char c;
NODE * p = head;
while ( (c=getchar()) !='\n' )
{
if ( c == '<' )
{ sum = 0;
sign = 1;
flag = 1;
}
else if ( c =='-' )
sign = -1;
else if( c >='0'&& c <='9' )
{ sum = sum*10 + c - '0';
}
else if ( c == ',' )
{ if ( flag == 1 )
{ x = sign * sum;
sum = 0;
flag = 2;
sign = 1;