题解 | #KiKi和酸奶#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        //n盒牛奶
        int n = scanner.nextInt();
        //h分钟能喝完
        int h = scanner.nextInt();
        //m分钟后还有多少牛奶
        int m = scanner.nextInt();
        
        if(m % h == 0) {
            System.out.println(n - (m / h));
        } else {
            System.out.println(n - (m / h + 1));
        }
        
    }
}