Submission #2709725

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Source Code Expand

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {

	// Atcoder用のサンプルプログラム
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		String N = br.readLine();
		String n = N.split(" ")[0];
		String m = N.split(" ")[1];
		//String S = br.readLine();
		
		if (Integer.parseInt(n) >= 12) {
			n = String.valueOf(Integer.parseInt(n)-12);
		}
		
		BigDecimal tanShin = multiply(n,"30").add(multiply(m,"0.5"));
		BigDecimal tyouShin = multiply(m,"6");
		
		BigDecimal zero = new BigDecimal(0);
		

		
		BigDecimal tempKakudo = BigDecimal.ZERO;
		if (tanShin.compareTo(tyouShin) > 0) {
			tempKakudo=tanShin.subtract(tyouShin);
		} else {
			tempKakudo=tyouShin.subtract(tanShin);
		}

		BigDecimal tempHarf = new BigDecimal(180);
		BigDecimal tempAll = new BigDecimal(360);
		if (tempKakudo.compareTo(tempHarf) > 0) {
			tempKakudo=tempAll.subtract(tempKakudo);
		}
		
		int result;
		if (tempKakudo.subtract(tempKakudo.setScale(0,BigDecimal.ROUND_DOWN)).compareTo(BigDecimal.ZERO) == 0) {
			System.out.println(tempKakudo.intValue());
		} else {
			System.out.println(tempKakudo);
		}
	}

	public static int count(String target, String item) {
		int count = 0;
		for (int i = 0;i < target.length();i++) {
			//if (item.equals(String.valueOf(target.charAt(i)))) {
			if (item.equals(target.substring(i,i+1))) {
				count++;
			}
		}
		return count;
	}
    private static BigDecimal multiply(String a, String b) throws Exception {
    	BigDecimal aa = new BigDecimal(a);
    	BigDecimal bb = new BigDecimal(b);
    	return aa.multiply(bb);
    }
}

Submission Info

Judge Result