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Add a ton of JS algo snippets (#56)

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Yangshun Tay
2017-10-18 17:00:48 +08:00
committed by GitHub
parent d8c3f984e4
commit d9b9d4b5ca
10 changed files with 136 additions and 13 deletions
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17
utilities/javascript/intervalsIntersect.js Normal file
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// Interval: [start, end].
function intervalsIntersect(a, b) {
return a[0] < b[1] && b[0] < a[1];
}
console.log(intervalsIntersect([1, 2], [3, 4]) === false);
console.log(intervalsIntersect([1, 2], [2, 4]) === false);
console.log(intervalsIntersect([1, 2], [1, 4]) === true);
console.log(intervalsIntersect([1, 2], [0, 4]) === true);
console.log(intervalsIntersect([1, 2], [0, 2]) === true);
console.log(intervalsIntersect([1, 2], [0, 1.5]) === true);
console.log(intervalsIntersect([3, 4], [1, 2]) === false);
console.log(intervalsIntersect([2, 4], [1, 2]) === false);
console.log(intervalsIntersect([1, 4], [1, 2]) === true);
console.log(intervalsIntersect([0, 4], [1, 2]) === true);
console.log(intervalsIntersect([0, 2], [1, 2]) === true);
console.log(intervalsIntersect([0, 1.5], [1, 2]) === true);