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Implementation of finding the smallest common number #37

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Merged
merged 2 commits into from
Oct 7, 2019
Merged

Implementation of finding the smallest common number #37

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0868c0f
added solution for finding the smallest common number
jdhrnndz Oct 6, 2019
f221f9f
added 'Get Smallest Common Number' in README
jdhrnndz Oct 6, 2019
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added solution for finding the smallest common number
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@jdhrnndz
jdhrnndz committed Oct 6, 2019
commit 0868c0fa3103541d7802445c4fcd0146110b8ecb
29 changes: 29 additions & 0 deletions src/_Problems_/get-smallest-common-number/index.js
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// Get the common smallest number between two integer arrays

const getSmallestCommonNumber = (a1, a2) => {
let map = {};
let i = 0;
let min;

while (a1.length > i || a2.length > i) {
if (i < a1.length) {
map[`${a1[i]}a`] = true;
if (map[`${a1[i]}b`] && (min > a1[i] || !min)) {
min = a1[i];
}
}

if (i < a2.length) {
map[`${a2[i]}b`] = true;
if (map[`${a2[i]}a`] && (min > a2[i] || !min)) {
min = a2[i];
}
}

i++;
}

return min || -1;
};

module.exports = { getSmallestCommonNumber };