*

2 files changed, 17 insertions, 0 deletions

diff --git a/js/algo/01_pe.js b/js/algo/01_pe.js
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+++ b/js/algo/01_pe.js
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+// https://projecteuler.net/problem=1
+
+// <p>If we list all the natural numbers below $10$ that are multiples of $3$ or $5$, we get $3, 5, 6$ and $9$. The sum of these multiples is $23$.</p>
+// <p>Find the sum of all the multiples of $3$ or $5$ below $1000$.</p>
+
+const solution = Array.from({length: 1000}).reduce(
+     (p, n, i) => p + (i % 3 === 0 || i % 5 === 0 ? i : 0), 0 )
+console.log(solution)
\ No newline at end of file
diff --git a/js/algo/02_pe.js b/js/algo/02_pe.js
new file mode 100644
index 0000000..51f91fd
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+++ b/js/algo/02_pe.js
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+// https://projecteuler.net/problem=2
+
+// <p>Each new term in the Fibonacci sequence is generated by adding the previous 
+// two terms. By starting with $1$ and $2$, the first $10$ terms will be: 
+// $$1, 2, 3, 5, 8, 13, 21, 34, 55, 89, \dots$$</p>
+// <p>By considering the terms in the Fibonacci sequence whose values do not exceed
+// four million, find the sum of the even-valued terms.</p>
+
+