Weekly DSA Practice [Week 6] (07-16-2022)

/**
 * @param {number[]} nums
 * @return {number[][]}
 */
var subsets = function(nums) {
    if(nums.length < 2) return nums

    let result = []

    function recurse(i, temp) {
        if(i === nums.length ) {
            result.push(temp)
            return
        }
        // array[i]
        recurse(i + 1, [nums[i], ...temp])
        recurse(i+1, temp)
    }

    recurse(0, [])
    return result
};