2814080_ac_1451ms_1956k.java

北大大牛代码 1240道题的原代码 超级权威

import java.util.*;

public class Main {

	public static void main(String[] args) {
		Scanner cin = new Scanner(System.in);
		
		int n, l, t, i, sum;
		
		sum = 0;
		n = cin.nextInt();
		l = cin.nextInt();
		for (i = 0; i < n; i++)
		{
			t = cin.nextInt();
			t %= l;
			if(t!=0&&sum<l-t)
				sum = l-t;
		}
		System.out.println(sum);
	}
}