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  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. 		// your code goes here
  13. 		Scanner sc = new Scanner(System.in);
  14. 		String s = sc.next();
  15. 		int index = -1;
  16. 		Map<Character,Integer> map = new HashMap<>();
  17.         for(int i=0;i<s.length();i++){
  18.             map.put(s.charAt(i),map.getOrDefault(s.charAt(i),0)+1);
  19.         }
  20.  
  21.         for(int i=0;i<s.length();i++){
  22.             if(map.get(s.charAt(i))==1){
  23.                 index=i;
  24.                 break;
  25.             }
  26.         }
  27.         System.out.println(index);
  28.  
  29. 	}
  30. }
Success #stdin #stdout 0.11s 56680KB
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loveleetcode
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https://ideone.com/AFvu2U
language:
Java (HotSpot 12)
created:
15 days ago
visibility:
public

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