9 lines
157 B
Plaintext
9 lines
157 B
Plaintext
func main[] : I64
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let n: I64 = 40
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let r: I64 = 20
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let out: I64 = 1
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for i in 1..r+1
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out = out * (n - (r - i)) / i
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print_i64(out) |