solucion a los problemas del WarmUp final latinoamericana ACM-ICPC

warmup.java

package acm2012;

import java.text.DecimalFormat;
import java.util.Scanner;

public class ACM2012 {

    static Scanner in = new Scanner(System.in);
    
    public static void main(String[] args) {
        A();
        B();
    }
    
    static void A(){
        while(true){
            int H = in.nextInt();
            int P = in.nextInt();
            double avg = (double)H / (double)P;
            DecimalFormat df = new DecimalFormat("#.##");
            String result = df.format(avg).replace(',', '.');
            if(!result.contains("."))
                result += ".00";
            System.out.println(result);
        }
    }
    
    static void B(){
        while(true){
            int N = in.nextInt();
            int result = 0;
            boolean missing = false;
            for(int i = 0; i < N; i++){
                int x = in.nextInt();
                if(x == 0){
                    if(missing){
                        result++;
                        missing = false;
                    }
                    else
                        missing = true;
                }
                else
                    missing = false;
            }
            System.out.println(String.valueOf(result));
        }
    }
}