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export default function exclusiveTime(n: number, logs: string[]): number[] {    const ans: number[] = Array(n).fill(0);    const stack: [number, number][] = [];    const data = logs.map((log) => {        const [q, w, e] = log.split(":");        return [            Number(q),            Number(w === "start"),            Number(e) + Number(w !== "start"),        ];    });    //console.log(data)    for (const [a, b, c] of data) {        if (stack.length) {            const last = stack[stack.length - 1];
            if (b) {                ans[last[0]] += c - last[1];                stack.push([a, c]);            } else {                ans[a] += c - last[1];
                stack.pop();                if (stack.length) {                    stack[stack.length - 1][1] = c;                }            }        } else {            if (b) {                stack.push([a, c]);            } else {                throw new Error("first end");            }        }        // console.log(stack)    }    if (stack.length) {        throw Error("not end");    }    return ans;}