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- #if !defined(_choose_H)
- # define _choose_H (1)
- /*Computes the number of combinations of _n items, taken _m at a time without
- overflow.
- _n: The total number of items.
- _b: The number taken at a time.
- Return: The number of combinations of _n items taken _m at a time.*/
- unsigned choose(int _n,int _m);
- #endif
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