A curated collection of the most common algorithm interview problems with optimal Go solutions. Array Problems 1. Two Sum Problem: Find two numbers that add up to target. 1func TwoSum(nums []int, target int) []int { 2 seen := make(map[int]int) 3 4 for i, num := range nums { 5 complement := target - num 6 if j, exists …
Read MoreEasy-level algorithm interview questions with detailed approach explanations and solutions. How to Approach Interview Problems Clarify requirements: Ask about edge cases, constraints, input/output format Think out loud: Explain your thought process Start with brute force: Then optimize Consider trade-offs: Time vs. …
Read MoreHard-level algorithm interview questions with detailed approach explanations and solutions. Problem 1: Median of Two Sorted Arrays Problem: Find median of two sorted arrays in $O(\log(m+n))$ time. Example: 1Input: nums1 = [1,3], nums2 = [2] 2Output: 2.0 3Explanation: merged = [1,2,3], median = 2 Approach Key Insight: …
Read MoreMedium-level algorithm interview questions with detailed approach explanations and solutions. Problem 1: Longest Substring Without Repeating Characters Problem: Find length of longest substring without repeating characters. Example: 1Input: s = "abcabcbb" 2Output: 3 3Explanation: "abc" is longest …
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