20届真题 跑步训练

public class Test {
	
	public static void main(String[] args) {
		int i = -60, j, n = 10000 - 300;
		while (n > 0) {
			n += 300;
			i += 60;
			for (j = i + 60; i < j && n > 0; i++)
				n -= 10;
		}
		System.out.print(i);
	}
}