Evaluate binomial coefficients: Difference between revisions
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m (→{{header|REXX}}: whitespace/format) |
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<lang j> 3 ! 5 |
<lang j> 3 ! 5 |
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10</lang> |
10</lang> |
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=={{header|Java}}== |
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<lang java>public class Binom { |
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static long combinations(int n, int k) { |
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long coeff = 1; |
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for (int i = n - k + 1; i <= n; i++) { |
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coeff *= i; |
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} |
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for (int i = 1; i <= k; i++) { |
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coeff /= i; |
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} |
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return coeff; |
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} |
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public static void main(String[] args){ |
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System.out.println(combinations(5, 3)); |
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} |
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}</lang> |
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Output: |
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<pre>10.0</pre> |
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{{trans|Python}} |
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<lang java>public class Binom { |
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public static double binomCoeff(double n, double k) { |
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double result = 1; |
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for (int i = 1; i < k + 1; i++) { |
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result *= (n - i + 1) / i; |
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} |
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return result; |
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} |
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public static void main(String[] args) { |
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System.out.println(binomCoeff(5, 3)); |
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} |
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} |
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</lang> |
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Output: |
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<pre>10.0</pre> |
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=={{header|JavaScript}}== |
=={{header|JavaScript}}== |
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