题解 | #字符逆序#
走方格的方案数
http://www.nowcoder.com/practice/e2a22f0305eb4f2f9846e7d644dba09b
import java.util.; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while(sc.hasNext()){ int l = sc.nextInt(); int h = sc.nextInt(); int r=1; int r1=1; for (int i=1;i<=Math.abs((l+h)-l);i++){ r=r(l+h-i+1); r1=r1*i; } int reslut =r/r1; System.out.println(reslut); }
}
}