Submission #2553181

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Source Code Expand

import java.io.*;
import java.util.*;

class Main{
	public static void main(String[] args){
		solve();
	}
	public static void solve(){
		Scanner sc = new Scanner(System.in);
		int k = sc.nextInt();
		int min = 50000;
		int n = 2000000; 
		for(int i=1;i<n;i++){
			String s = Long.toString((long)k*(long)i);
			int count = 0;
			for(int j=0;j<s.length();j++){
				count += (int)s.charAt(j) - (int)'0';
			}
			min = Math.min(min, count);
		}
		System.out.println(min);
	}
}

Submission Info

Judge Result