[백준/Java] 24309번 РАВЕНСТВО

-Code

import java.math.BigInteger;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        BigInteger a = sc.nextBigInteger();
        BigInteger b = sc.nextBigInteger();
        BigInteger c = sc.nextBigInteger();

        System.out.println(b.subtract(c).divide(a));
    }
}