63 lines
1.2 KiB
Java
63 lines
1.2 KiB
Java
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import java.util.*;
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public class UniqueDigitsOfLargeNumber {
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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Scanner sc=new Scanner(System.in);
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int l,i,j,l1=0;
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String s,p="";
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char c,d;
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System.out.println("Enter a large number");
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s=sc.nextLine();
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l=s.length();
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for(i=0;i<l;i++)
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{
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c=s.charAt(i);
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for(j=0;j<l1;j++)
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{
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if(p.charAt(j)==c)
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break;
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}
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if(j==l1)
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{
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p=p+c;
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l1=p.length();
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}
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}
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System.out.print("The unique digits present in "+Long.parseLong(s)+" are ");
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if(l1>1)
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{
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for(i=0;i<l1-1;i++)
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{
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System.out.print(p.charAt(i)+", ");
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}
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System.out.println("and "+p.charAt(l1-1)+".");
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c=p.charAt(0);
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for(i=0;i<l1;i++)
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{
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if(p.charAt(i)>c)
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c=p.charAt(i);
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}
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s="";
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s=s+c;
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c--;
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for(d=c;d>='0';d--)
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{
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for(i=0;i<l1;i++)
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{
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if(p.charAt(i)==d)
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s=s+d;
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}
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}
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System.out.println("The largest number possible out of these unique digits is "+Long.parseLong(s));
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}
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else
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{
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System.out.println(p.charAt(0)+".");
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System.out.println("The largest number possible out of these unique digits is "+Integer.parseInt(p));
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}
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}
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}
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