Graph Coloring Problem -- GCP

import java.util.*;

import java.io.*;

class demo

{

int m,n;

int x[],graph[][];

void mcolor(int k)

{

int i;

while(1)

{

callnextvalue(k);

if(x[k]==o)break;

if(k==n)

{

for (i=1;i<=n;i++)

System.out.println(" "+x[i]);

System.out.println();

}

else

mcolor(k+1);

}

}