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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. 		long N, sum, subsidiary = 0, quantity = 0;
  10.     	Scanner in = new Scanner(System.in);
  11.     	N = in.nextLong();
  12.     	while (N > 999999999) {
  13.         	sum = 0;
  14.         	subsidiary = N;
  15.         	while (subsidiary!=0) {
  16.             	sum += subsidiary%10;
  17.             	subsidiary /= 10;
  18.         	}
  19.         	N -= sum;
  20.         	quantity++;
  21.     	}
  22.     	if (N == 999999999) {
  23.         	N = 0;
  24.         	quantity += 25632473;
  25.     	}
  26.     	while (N > 0) {
  27.         	sum = 0;
  28.         	subsidiary = N;
  29.         	while (subsidiary != 0) {
  30.             	sum += subsidiary%10;
  31.             	subsidiary /= 10;
  32.         	}
  33.         	N -= sum;
  34.         	quantity++;
  35.     	}
  36.     	System.out.println(quantity);
  37. 	}
  38. }
Success #stdin #stdout 0.06s 2184192KB
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https://ideone.com/iR3HBb
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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