feat(euler-problem): Add test and solution for project euler problem 6 (#15987)
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@ -140,17 +140,21 @@
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"type": "bonfire",
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"title": "Problem 6: Sum square difference",
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"tests": [
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"assert.strictEqual(euler6(), 25164150, 'message: <code>euler6()</code> should return 25164150.');"
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"assert.strictEqual(sumSquareDifference(10), 2640, 'message: <code>sumSquareDifference(10)</code> should return 2640.');",
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"assert.strictEqual(sumSquareDifference(20), 41230, 'message: <code>sumSquareDifference(20)</code> should return 41230.');",
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"assert.strictEqual(sumSquareDifference(100), 25164150, 'message: <code>sumSquareDifference(100)</code> should return 25164150.');"
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],
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"solutions": [
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"const sumSquareDifference = (number)=>{\n let squareOfSum = Math.pow(sumOfArithmeticSeries(1,1,number),2);\n let sumOfSquare = sumOfSquareOfNumbers(number);\n return squareOfSum - sumOfSquare;\n}\n\nfunction sumOfArithmeticSeries(a,d,n){\n return (n/2)*(2*a+(n-1)*d);\n}\n\nfunction sumOfSquareOfNumbers(n){\n return (n*(n+1)*(2*n+1))/6;\n}"
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],
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"solutions": [],
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"translations": {},
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"challengeSeed": [
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"function euler6() {",
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"function sumSquareDifference(number) {",
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" // Good luck!",
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" return true;",
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"}",
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"",
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"euler6();"
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"sumSquareDifference(100);"
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],
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"description": [
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"The sum of the squares of the first ten natural numbers is,",
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