// #Easy #Top_100_Liked_Questions #Top_Interview_Questions #Array #Hash_Table // #Data_Structure_I_Day_2_Array #Level_1_Day_13_Hashmap #Udemy_Arrays #Big_O_Time_O(n)_Space_O(n) // #2023_09_28_Time_54_ms_(91.72%)_Space_45.5_MB_(22.26%) function twoSum(nums: number[], target: number): number[] { const indexMap: Map = new Map() for (let i = 0; i < nums.length; i++) { const requiredNum: number = target - nums[i] if (indexMap.has(requiredNum)) { return [indexMap.get(requiredNum)!, i] } indexMap.set(nums[i], i) } return [-1, -1] } export { twoSum }