哦.我知道了!那while（1）这代表什么意思呢？

这又是一次作业！！
Binomial Showdown
In how many ways can you choose k elements out of n elements, not taking order into account?

Write a program to compute this number.

Input
The input will contain one or more test cases.

Each test case consists of one line containing two integers n (n >= 1) and k (0 <= k <= n).

Input is terminated by two zeroes for n and k.

Output
For each test case, print one line containing the required number. This number will always fit into an integer, i.e. it will be less than 231.

Sample Input
4 2
10 5
49 6
0 0

Sample Output
6
252
13983816

这是我用金山快译翻译的！！


二项的摊牌
在你能从 n 元素选择 k 元素多少方法,
不拿次序进帐户之内?
写一个计画给计算这一个数字。
输入
输入将会包含一或较多的测试情形。
情形由一所组成的每个测试排成一行包含二完整的事物 n( n>=1) 和 k 。 (0 <= k <=n)
输入为 n 和 k 被结束二零。
输出
对于每个测试情形, 版一排成一行包含必需的数字。 这一个数字将会进入一个完整的事物之内总是适合,也就是 它将会是比较少的比较 231.
抽取样品输入
4 2
10 5
49 6
0 0
抽取样品输出
6
252
13983816

呵呵！对付看吧！我英语水平有限啊！我们的老师得确实很厉害，而且很有个性啊！

现在的翻译其本上都是这样的，我也没有办法啊！呵呵！

这个好像是不对吧！楼上的‘小小贝’当你输入 49 6 时输出的结果是什么呀？呵呵，好像和问题不一样啊！

printf("%-10.0f\n",sum1/sum2);
为什么这样打印出的是整数啊？

谢谢，我知道了！原来是这么一回事啊！

The Angle
The interval angle between the hour hand and the minute hand is always among 0 degree and 180 degree(including 0 and 180 degree). For example, when it's 12 o'clock, the angle of the two hands is 0 while 6:00 is 180 degree. Try to calculate any degree when it's between 12:00 to 11:59.

Input
The input data are of various situations. Every team consists of two numbers : the first number stands for the hour(great than 0 and less than or equal to 12) and second represents the minute( among [0, 59]). The input ends when the two numbers are both zeros.

Output
Print out the minimum angle between the two hands with the normal time form outputed.

Input Sample
12 012 306 03 00 0 Output Sample
At 12:00 the angle is 0.0 degrees.
At 12:30 the angle is 165.0 degrees.
At 6:00 the angle is 180.0 degrees.
At 3:00 the angle is 90.0 degrees.

是啊！他处的题每次都是都是英文的，每次都得用很长时间去理解题意！呵呵！还得自己去翻译！