Created
January 26, 2015 07:03
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Elucidate Solution (Node.js)
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var fs = require('fs'); | |
var e = fs.readFileSync('elucidate.txt', 'utf8'); | |
var gcd = function(a, b) { | |
if ( ! b) { | |
return a; | |
} | |
return gcd(b, a % b); | |
}; | |
var gcdArray = function(nums) { | |
var a = nums[0]; | |
for (var i=1; i < nums.length; i++) { | |
a = gcd(a, nums[i]); | |
} | |
return a; | |
}; | |
function lcm(n1,n2) { | |
return n1*n2/gcd(n1,n2); | |
} | |
var lcmArray = function(nums) { | |
var a = nums[0]; | |
for (var i=1; i < nums.length; i++) { | |
a = a * nums[i]; | |
} | |
return a / gcdArray(nums); | |
}; | |
var lcmArray2 = function(nums) { | |
var a = nums[0]; | |
for (var i=1; i < nums.length; i++) { | |
a = lcm(a, nums[i]); | |
} | |
return a; | |
}; | |
// var e = "(1,2,3),(4,5,6),(7,8,9)"; | |
e = e.substring(1); | |
allNums = []; | |
e.split("(").forEach(function(t) { | |
if (t[t.length-1] == ",") t = t.substring(0, t.length-1); | |
t = t.replace(")", "").split(","); | |
t = t.map(function(a){return +a;}); | |
var g = gcdArray(t); | |
if (allNums.indexOf(g) == -1) { | |
allNums.push(g); | |
} | |
}); | |
// console.log(lcmArray(q)); | |
console.log(allNums); | |
console.log(lcmArray(allNums)); | |
console.log(lcmArray2(allNums)); |
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