题解 | #取近似值#

    public static void main(String[] args) throws IOException{
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String str = reader.readLine();
        String[] split = str.split("\\.");
        Integer i = Integer.parseInt(split[0]);
        double num = Double.parseDouble(str);
        if(num + 0.5 >= i + 1){
            System.out.println(i+1);
        }else{
            System.out.println(i);
        }
    }