从10个不同的球里面选择5个球，把全部结果打印出来，并且打印共有多少种方法。

Question

有这样一个需求，有10个不同的球：01,02,03,10,12,15,17,20,25,33。现在想从这10个球里面选择5个球，把所有的组合打印到控制台，并且统计一下共有多少注。
比如选择的是01,02,03,20,25
02,03,10,15,17。
01,10,20,25,33。
......
用C语言或者C++

Answer 1

01, 02, 03, 10, 12
01, 02, 03, 10, 15
01, 02, 03, 12, 15
01, 02, 10, 12, 15
01, 03, 10, 12, 15
02, 03, 10, 12, 15
01, 02, 03, 10, 17
01, 02, 03, 12, 17
01, 02, 10, 12, 17
01, 03, 10, 12, 17
02, 03, 10, 12, 17
01, 02, 03, 15, 17
01, 02, 10, 15, 17
01, 03, 10, 15, 17
02, 03, 10, 15, 17
01, 02, 12, 15, 17
01, 03, 12, 15, 17
02, 03, 12, 15, 17
01, 10, 12, 15, 17
02, 10, 12, 15, 17
03, 10, 12, 15, 17
01, 02, 03, 10, 20
01, 02, 03, 12, 20
01, 02, 10, 12, 20
01, 03, 10, 12, 20
02, 03, 10, 12, 20
01, 02, 03, 15, 20
01, 02, 10, 15, 20
01, 03, 10, 15, 20
02, 03, 10, 15, 20
01, 02, 12, 15, 20
01, 03, 12, 15, 20
02, 03, 12, 15, 20
01, 10, 12, 15, 20
02, 10, 12, 15, 20
03, 10, 12, 15, 20
01, 02, 03, 17, 20
01, 02, 10, 17, 20
01, 03, 10, 17, 20
02, 03, 10, 17, 20
01, 02, 12, 17, 20
01, 03, 12, 17, 20
02, 03, 12, 17, 20
01, 10, 12, 17, 20
02, 10, 12, 17, 20
03, 10, 12, 17, 20
01, 02, 15, 17, 20
01, 03, 15, 17, 20
02, 03, 15, 17, 20
01, 10, 15, 17, 20
02, 10, 15, 17, 20
03, 10, 15, 17, 20
01, 12, 15, 17, 20
02, 12, 15, 17, 20
03, 12, 15, 17, 20
10, 12, 15, 17, 20
01, 02, 03, 10, 25
01, 02, 03, 12, 25
01, 02, 10, 12, 25
01, 03, 10, 12, 25
02, 03, 10, 12, 25
01, 02, 03, 15, 25
01, 02, 10, 15, 25
01, 03, 10, 15, 25
02, 03, 10, 15, 25
01, 02, 12, 15, 25
01, 03, 12, 15, 25
02, 03, 12, 15, 25
01, 10, 12, 15, 25
02, 10, 12, 15, 25
03, 10, 12, 15, 25
01, 02, 03, 17, 25
01, 02, 10, 17, 25
01, 03, 10, 17, 25
02, 03, 10, 17, 25
01, 02, 12, 17, 25
01, 03, 12, 17, 25
02, 03, 12, 17, 25
01, 10, 12, 17, 25
02, 10, 12, 17, 25
03, 10, 12, 17, 25
01, 02, 15, 17, 25
01, 03, 15, 17, 25
02, 03, 15, 17, 25
01, 10, 15, 17, 25
02, 10, 15, 17, 25
03, 10, 15, 17, 25
01, 12, 15, 17, 25
02, 12, 15, 17, 25
03, 12, 15, 17, 25
10, 12, 15, 17, 25
01, 02, 03, 20, 25
01, 02, 10, 20, 25
01, 03, 10, 20, 25
02, 03, 10, 20, 25
01, 02, 12, 20, 25
01, 03, 12, 20, 25
02, 03, 12, 20, 25
01, 10, 12, 20, 25
02, 10, 12, 20, 25
03, 10, 12, 20, 25
01, 02, 15, 20, 25
01, 03, 15, 20, 25
02, 03, 15, 20, 25
01, 10, 15, 20, 25
02, 10, 15, 20, 25
03, 10, 15, 20, 25
01, 12, 15, 20, 25
02, 12, 15, 20, 25
03, 12, 15, 20, 25
10, 12, 15, 20, 25
01, 02, 17, 20, 25
01, 03, 17, 20, 25
02, 03, 17, 20, 25
01, 10, 17, 20, 25
02, 10, 17, 20, 25
03, 10, 17, 20, 25
01, 12, 17, 20, 25
02, 12, 17, 20, 25
03, 12, 17, 20, 25
10, 12, 17, 20, 25
01, 15, 17, 20, 25
02, 15, 17, 20, 25
03, 15, 17, 20, 25
10, 15, 17, 20, 25
12, 15, 17, 20, 25
01, 02, 03, 10, 33
01, 02, 03, 12, 33
01, 02, 10, 12, 33
01, 03, 10, 12, 33
02, 03, 10, 12, 33
01, 02, 03, 15, 33
01, 02, 10, 15, 33
01, 03, 10, 15, 33
02, 03, 10, 15, 33
01, 02, 12, 15, 33
01, 03, 12, 15, 33
02, 03, 12, 15, 33
01, 10, 12, 15, 33
02, 10, 12, 15, 33
03, 10, 12, 15, 33
01, 02, 03, 17, 33
01, 02, 10, 17, 33
01, 03, 10, 17, 33
02, 03, 10, 17, 33
01, 02, 12, 17, 33
01, 03, 12, 17, 33
02, 03, 12, 17, 33
01, 10, 12, 17, 33
02, 10, 12, 17, 33
03, 10, 12, 17, 33
01, 02, 15, 17, 33
01, 03, 15, 17, 33
02, 03, 15, 17, 33
01, 10, 15, 17, 33
02, 10, 15, 17, 33
03, 10, 15, 17, 33
01, 12, 15, 17, 33
02, 12, 15, 17, 33
03, 12, 15, 17, 33
10, 12, 15, 17, 33
01, 02, 03, 20, 33
01, 02, 10, 20, 33
01, 03, 10, 20, 33
02, 03, 10, 20, 33
01, 02, 12, 20, 33
01, 03, 12, 20, 33
02, 03, 12, 20, 33
01, 10, 12, 20, 33
02, 10, 12, 20, 33
03, 10, 12, 20, 33
01, 02, 15, 20, 33
01, 03, 15, 20, 33
02, 03, 15, 20, 33
01, 10, 15, 20, 33
02, 10, 15, 20, 33
03, 10, 15, 20, 33
01, 12, 15, 20, 33
02, 12, 15, 20, 33
03, 12, 15, 20, 33
10, 12, 15, 20, 33
01, 02, 17, 20, 33
01, 03, 17, 20, 33
02, 03, 17, 20, 33
01, 10, 17, 20, 33
02, 10, 17, 20, 33
03, 10, 17, 20, 33
01, 12, 17, 20, 33
02, 12, 17, 20, 33
03, 12, 17, 20, 33
10, 12, 17, 20, 33
01, 15, 17, 20, 33
02, 15, 17, 20, 33
03, 15, 17, 20, 33
10, 15, 17, 20, 33
12, 15, 17, 20, 33
01, 02, 03, 25, 33
01, 02, 10, 25, 33
01, 03, 10, 25, 33
02, 03, 10, 25, 33
01, 02, 12, 25, 33
01, 03, 12, 25, 33
02, 03, 12, 25, 33
01, 10, 12, 25, 33
02, 10, 12, 25, 33
03, 10, 12, 25, 33
01, 02, 15, 25, 33
01, 03, 15, 25, 33
02, 03, 15, 25, 33
01, 10, 15, 25, 33
02, 10, 15, 25, 33
03, 10, 15, 25, 33
01, 12, 15, 25, 33
02, 12, 15, 25, 33
03, 12, 15, 25, 33
10, 12, 15, 25, 33
01, 02, 17, 25, 33
01, 03, 17, 25, 33
02, 03, 17, 25, 33
01, 10, 17, 25, 33
02, 10, 17, 25, 33
03, 10, 17, 25, 33
01, 12, 17, 25, 33
02, 12, 17, 25, 33
03, 12, 17, 25, 33
10, 12, 17, 25, 33
01, 15, 17, 25, 33
02, 15, 17, 25, 33
03, 15, 17, 25, 33
10, 15, 17, 25, 33
12, 15, 17, 25, 33
01, 02, 20, 25, 33
01, 03, 20, 25, 33
02, 03, 20, 25, 33
01, 10, 20, 25, 33
02, 10, 20, 25, 33
03, 10, 20, 25, 33
01, 12, 20, 25, 33
02, 12, 20, 25, 33
03, 12, 20, 25, 33
10, 12, 20, 25, 33
01, 15, 20, 25, 33
02, 15, 20, 25, 33
03, 15, 20, 25, 33
10, 15, 20, 25, 33
12, 15, 20, 25, 33
01, 17, 20, 25, 33
02, 17, 20, 25, 33
03, 17, 20, 25, 33
10, 17, 20, 25, 33
12, 17, 20, 25, 33
15, 17, 20, 25, 33
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