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30 lines
760 B
JavaScript
30 lines
760 B
JavaScript
function gcd_more_than_two_numbers(input) {
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if (toString.call(input) !== "[object Array]")
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return false;
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var len, a, b;
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len = input.length;
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if ( !len ) {
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return null;
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}
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a = input[ 0 ];
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for ( var i = 1; i < len; i++ ) {
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b = input[ i ];
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a = gcd_two_numbers( a, b );
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}
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return a;
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}
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function gcd_two_numbers(x, y) {
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if ((typeof x !== 'number') || (typeof y !== 'number'))
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return false;
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x = Math.abs(x);
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y = Math.abs(y);
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while(y) {
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var t = y;
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y = x % y;
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x = t;
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}
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return x;
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}
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console.log(gcd_more_than_two_numbers([3,15,27]));
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console.log(gcd_more_than_two_numbers([5,10,15,25]));
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