From c37b31a02e277dc5611f7bef8be4c1bd62b3258c Mon Sep 17 00:00:00 2001 From: Victoria Lo Date: Wed, 14 Oct 2020 04:21:44 -0700 Subject: [PATCH] add Euler problem 6 --- Project-Euler/Problem6.js | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 Project-Euler/Problem6.js diff --git a/Project-Euler/Problem6.js b/Project-Euler/Problem6.js new file mode 100644 index 0000000000..38dd31d950 --- /dev/null +++ b/Project-Euler/Problem6.js @@ -0,0 +1,15 @@ +// https://projecteuler.net/problem=6 + +const num = 100 // number we are checking; change to 10 to check 10 from example + +const squareDifference = (num) => { + let sumOfSquares = 0 + let sums = 0 + for (let i = 1; i <= num; i++) { + sumOfSquares += i ** 2 // add squares to the sum of squares + sums += i // add number to sum to square later + } + return (sums ** 2) - sumOfSquares // difference of square of the total sum and sum of squares +} + +console.log(squareDifference(num))