#include <stdio.h>
#include "prog.h"


static struct distance_table
{
  int costs[4][4];
} dt;


/* students to write the following two routines, and maybe some others */

void rtinit0() 
{

}


void rtupdate0(struct rtpkt *rcvdpkt)
{

}


void printdt0(struct distance_table *dtptr)
{
  printf("                dest    \n");
  printf("   D0 |    1     2    3 \n");
  printf("  ----|-----------------\n");
  printf("     1|  %3d   %3d   %3d\n",dtptr->costs[1][1],
	 dtptr->costs[1][2],dtptr->costs[1][3]);
  printf("via  2|  %3d   %3d   %3d\n",dtptr->costs[2][1],
	 dtptr->costs[2][2],dtptr->costs[2][3]);
  printf("     3|  %3d   %3d   %3d\n",dtptr->costs[3][1],
	 dtptr->costs[3][2],dtptr->costs[3][3]);
}

/* called when cost from 0 to linkid changes from current value to newcost*/
/* You can leave this routine empty if you're an undergrad. If you want */
/* to use this routine, you'll need to change the value of the LINKCHANGE */
/* constant definition in prog3.c from 0 to 1 */
void linkhandler0(int linkid, int newcost)
{
    
}