Greatest common divisor: Difference between revisions
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m (→{{header|J}}) |
(→{{header|D}}: remove silly solution) |
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=={{header|D}}== |
=={{header|D}}== |
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<lang d>bool isEven(int number) |
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{ |
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return number%2 == 0; |
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} |
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int gcd(int a, int b) |
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{ |
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if(a == 0) |
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return b; |
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else if(b == 0) |
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return a; |
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else if(isEven(a) && isEven(b)) |
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return gcd(a>>1, b>>1) << 1; |
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else if(isEven(a) && !isEven(b)) |
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return gcd(a>>1, b); |
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else if(!isEven(a) && isEven(b)) |
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return gcd(a, b>>1); |
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else if(a >= b) |
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return gcd(a-b, b); |
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return gcd(a, b-a); |
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}</lang> |
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===Recursive=== |
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<lang d>long gcd(long x, long y) { |
<lang d>long gcd(long x, long y) { |
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if (y == 0) |
if (y == 0) |
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return gcd(y, x%y); |
return gcd(y, x%y); |
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}</lang> |
}</lang> |
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=={{header|Dc}}== |
=={{header|Dc}}== |
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