fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String s="babad";
  13. 		 int n = s.length();
  14.         String ans ="";
  15.         for(int i=0;i<n;i++){
  16.             for(int j=i;j<n;j++){
  17.                 String ts = s.substring(i,j+1);
  18.                 if(isPalindrome(ts) && ts.length()>ans.length()){
  19.                    ans =ts;
  20.                 }
  21.             }
  22.         }
  23.        System.out.println(ans);
  24.  
  25. 	}
  26.  
  27. 	 static public boolean isPalindrome(String s){
  28.         int l=0,r=s.length()-1;
  29.         while(l<=r){
  30.             if(s.charAt(l) != s.charAt(r)){
  31.                 return false;
  32.             }
  33.             l++;
  34.             r--;
  35.         }
  36.         return true;
  37.     }
  38. }
  39.  
  40.  
Success #stdin #stdout 0.07s 54604KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
bab
https://ideone.com/3aRVQf
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!