Snowflake - VO Prep

Snowflake Snowflake OA Interview Coding Question: Maximum Number of Events You Can Attend

You are given an array of events where events[i] = [startDayi, endDayi] . Every event i starts at startDayi and ends at endDayi . You can attend an even…

OA Snowflake OA Interview Problem: String Patterns | Dynamic Programming Counting

String Patterns Given the length of a word wordLen and the maximum number of consecutive vowels it can contain maxVowels , determine how many unique wor…

Snowflake Design a Unified Quota Service – System Design Interview Question (Cloud Storage, Google/Apple/Microsoft Style)

Companies like Google, Apple, Microsoft, etc. offer various services such as drive, photos, mail, and documents.Typically, they provide users with a single shared quota. For example, if you purchase a 100GB storage plan,all these services will consume capacity from the same quota bucket. Under the hood, such systems usually look like this: Applications and services…

Snowflake Find Words in a Character Matrix – Snowflake Interview Question Explained

Example: Matrix: Words: Output: [‘abe’] This problem asks you to check which of the given words can be found in a 2D character matrix. A valid word must be formed by adjacent characters in the matrix, typically in horizontal or vertical directions (depending on the interviewer’s clarification). The task is essentially a simplified version of…

Snowflake Snowflake Interview Question: Implement a Mini Programming Language Interpreter

SnowCal is a simple programming language used to perform calculations. A SnowCal program keeps a single integer X in memory, initially set to zero, and repeatedly performs addition and multiplication operations on it. Formally, the language has 5 operations: Write an interpreter that takes in the commands as an array of strings and returns the…

Snowflake Snowflake Interview Question: Determine Which Cake You Receive in a 1D Space Allocation Problem

Each person wants to eat one cake. People tend to get the cake that is the closest to him/her.However, if he/she finds that this cake already belongs to someone else, the person will give up that cake and look for the next closest cake. The number of cakes is never smaller than the number of…

Snowflake Snowflake Interview Question: Minimum Distance Between Person and Cake in a 1D Array

Given a 1-d space, represented as an int array.Each element in this array can have one of the three values {0, 1, 2} with meanings: The distance between a cake and a person is defined as the number of spaces between them. Please write a method to get the minimum distance between any person and…

Snowflake Snowflake Interview Question: Find Words in a Character Grid (Full Problem Statement + Summary)

Given an m × n array of characters, and a list of strings.Return the subset of the strings that are found in the array. You are given a character grid and a list of candidate words.Your task is to return all words that can be formed by tracing adjacent cells in the grid (typically up,…

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