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  1.  
  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. 		Scanner sc=new Scanner(System.in);
  13. 		String str=sc.next();
  14. 		String s=sc.next();
  15. 		char txt[]=str.toCharArray();
  16. 		char pat[]=s.toCharArray();
  17. 		int n=txt.length;
  18. 		int j=0,i=0;
  19. 		int t=pat.length;
  20. 		if(n==t){
  21. 			if(txt[0]!=pat[0])
  22. 			System.out.println("not a substring");
  23.  
  24. 		}
  25. 		if(n>=t){
  26. 		for( i=0;i<=n-t;i++){
  27. 			if(pat[j]==txt[i]){
  28. 				j=0;
  29. 				for(int k=i;k<t+i;k++){
  30. 					if(txt[k]!=pat[j])
  31. 					break;
  32. 					else
  33. 					j++;
  34. 				}
  35. 			if(j==t)
  36. 			{
  37. 				System.out.println(i);
  38. 				break;
  39. 			}
  40.  
  41. 			}
  42. 		}
  43. 		if(j!=t){
  44. 			System.out.println("not found");
  45. 		}
  46.  
  47. 		     }
  48.  
  49. 	}
  50.  
  51.  
  52. 	}
Success #stdin #stdout 0.06s 4386816KB
comments (?)
stdin
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sweety
vickyi
stdout
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not a substring
not found
https://ideone.com/Bvmkkd
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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