题解 | #牛群的危险路径#

/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 *
 * 
 * @param path string字符串 
 * @return string字符串
 */
function find_dangerous_cow_path(path) {
    // write code here
    let pathStr = path.split('/')
    console.log(pathStr)

    let stack = []

    for (let i = 0; i < pathStr.length; i++) {
        let p = pathStr[i]

        if (p === '.' || p === '') {
            continue
        } else if (p === '..') {
            stack.pop()
        } else {
            stack.push(p)
        }
    }

    return '/' + stack.join('/')
}
module.exports = {
    find_dangerous_cow_path: find_dangerous_cow_path
};