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14 lines
643 B
JavaScript
14 lines
643 B
JavaScript
const loadBisectLeft=(()=>{let cache;return()=>cache||(cache=import('https://cdn.jsdelivr.net/npm/d3-array@3/+esm').then(({bisectLeft})=>bisectLeft));})();
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export async function findLISLength(nums){
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if(!Array.isArray(nums)) throw new TypeError('Expected an array');
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if(!nums.length) return 0;
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const bisectLeft=await loadBisectLeft();
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const tails=[];
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for(const value of nums){
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if(!Number.isFinite(value)) throw new TypeError('Array must contain only finite numbers');
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const index=bisectLeft(tails,value,0,tails.length);
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tails[index]=value;
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}
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return tails.length;
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}
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export default findLISLength; |