Submission #156180

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Source Code Expand

import java.io.IOException;
 
public class Main {
	/**
	* @param args
	*/

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int	n = parseNum();
		int	m = parseNum();
		int	a = 2*(n-2)+3+4;
		int	b = 2+3+4*(n-2);

		if (a <= m && m <= b) {
			for (int c = 1; c <= n-2; c++) {
				if (c*3+6>m) break;
				if ((m-c*3)%2 == 1) continue;
				for (int d = 1; d <= n-c-1; d++) {
					if (c*3+d*2+4>m) break;
					int e = m-(c*3+d*2);
					if (e%4==0 && (e/4)==n-c-d) {
						System.out.println(d+" "+c+" "+e);
						return;
					}
				}
			}
		}

		System.out.println("-1 -1 -1");
	}

	private static int parseNum() {
		try {
			int	buf = 0;
			int	num = 0;
			int	skp = 1;
 
			// 0～9以外は読み飛ばす
			while (true) {
				buf = System.in.read();
				if (buf >= '0' && buf <= '9') {
					num = num * 10 + (buf - '0');
					skp = 0;
				} else if (skp == 0) {
					return num;
				}
			}
		} catch (IOException e) {}
		return -1;
	}
}

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