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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Main
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		Scanner in = new Scanner(System.in);
  10. 		int[] folder = new int[10];
  11.     	long N = in.nextLong();
  12.     	while(N != 0) {
  13.         	folder[(int)N % 10]++;
  14.         	N /= 10;
  15.     	}
  16.     	int sum = 0;
  17.     	for (int i = 0; i < 10; i++)
  18.         	if(folder[i]!=0) sum++;
  19.         System.out.print(sum);	
  20. 	}
  21. }
Success #stdin #stdout 0.07s 2184192KB
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https://ideone.com/7QxtTa
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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