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export default function maxProfit(prices: number[]): number {    if (prices.length < 2) return 0;    let min = Infinity;    let max = -Infinity;    let mp = Math.max(0, max - min);    for (const p of prices) {        if (p < min) {            min = p;            max = -Infinity;        } else {            max = Math.max(p, max);            mp = Math.max(mp, max - min);        }    }    return mp;}