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  1. import java.util.*;
  2. import java.io.*;
  3. import java.math.*;
  4.  
  5. class Main {
  6.  
  7. 	public static void main(String[] args) throws IOException{
  8. 		Scanner sc = new Scanner(System.in);//new File("input.txt"));
  9. 	    PrintWriter pw = new PrintWriter(System.out);//new File("output.txt"));
  10. 	    int w = sc.nextInt(), m = sc.nextInt();
  11. 	    int flag = 1;
  12. 	    int a[] = new int[40];
  13. 	    for (int i = 0; i < 35; i++)
  14. 	    	a[i] = 0;
  15. 	    int sz = 0;
  16. 	    while (m > 0)
  17. 	    {
  18. 	    	a[sz++] = m%w;
  19. 	    	m /= w;
  20. 	    }
  21. 		for (int i = 0; i <= sz; i++)
  22. 			if (a[i] != 0 && a[i] != 1 && a[i] != w-1 && a[i] != w)
  23. 			{
  24. 			   flag = 0;
  25. 			   break;
  26. 	        }
  27. 	        else
  28. 	        {
  29. 				if (a[i] == w-1 || a[i] == w)
  30. 				   a[i+1]++;
  31. 	        }
  32. 		if (flag == 1)
  33. 		   pw.println("YES");
  34. 		else
  35. 			pw.println("NO");
  36. 	   pw.close();
  37. 	}
  38. }
  39.  
Runtime error #stdin #stdout #stderr 0.1s 380608KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Exception in thread "main" java.util.NoSuchElementException
	at java.util.Scanner.throwFor(Scanner.java:907)
	at java.util.Scanner.next(Scanner.java:1530)
	at java.util.Scanner.nextInt(Scanner.java:2160)
	at java.util.Scanner.nextInt(Scanner.java:2119)
	at Main.main(Main.java:10)
https://ideone.com/2CXeCU
language:
Java (12.0.1)
created:
8 years ago
visibility:
public

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