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Code to sort a list without pipes
Use a sorting algorithm like bubble sort, insertion sort, or selection sort
Implement the algorithm in the programming language of your choice
Test the code with different input sizes and types
Given prob. p of dying out and prob. (1-p) of spawning into 2, find prob. of dying out starting from 1 organism.
Use probability tree to visualize outcomes
Probability of dying out starting from 1 is p + (1-p) * (probability of dying out starting from 2)^2
Solve recursively to get final answer
Expected number of collisions between randomly moving ants on a rod after 30 seconds.
Calculate the probability of two ants colliding at any given time.
Use the formula for expected value to find the expected number of collisions.
Assume that the ants are point masses and collisions are perfectly elastic.
Consider the possibility of multiple ants colliding at the same time.
Simulation can also be used to estimate the e...
Number of inversions in an array in O(nlogn) time.
Use merge sort algorithm to count inversions
Divide the array into two halves and recursively count inversions
Merge the two halves and count split inversions
Time complexity is O(nlogn)
What people are saying about Morgan Stanley
Prove N>=N^.5+N^(1/3)+N^(1/4) for N>=a
Use AM-GM inequality
Substitute N with a and prove the inequality holds
Use calculus to find the minimum value of the expression
Find two elements in a sorted array that add up to a given sum in linear time.
Use two pointers, one at the beginning and one at the end of the array.
If the sum of the two pointers is greater than the target, move the right pointer to the left.
If the sum of the two pointers is less than the target, move the left pointer to the right.
Repeat until the sum is found or the pointers meet.
Example: Given [1, 2, 3, 4, 5] a...
Find local minima of an array in o(log n) in functional programming.
Use binary search to find the local minima.
Check if the mid element is a local minima, if not, move towards the lower side.
If the mid element is greater than its left element, move towards the left side, else move towards the right side.
Repeat until a local minima is found.
Example: [5, 3, 2, 4, 6, 8, 9] -> local minima is 2.
Finding f(n) for a normal standard distribution with a given constant k.
Calculate the product of probability density function and cumulative distribution function.
Integrate the product of f(x) and F(kx) from -inf to +inf.
The value of k is a constant greater than 0.
To find an even length palindrome in a string in O(n), we can use the two-pointer approach.
Initialize two pointers at the center of the string.
Expand the pointers outwards while checking if the characters at both pointers are equal.
If they are not equal, return the previous substring as the even length palindrome.
If the pointers reach the end of the string, return the entire string as the even length palindrome.
Bubble sort repeatedly swaps adjacent elements to sort an array, with a time complexity of O(n^2).
Bubble sort compares adjacent elements and swaps them if they are in the wrong order.
Example: For array [5, 3, 8, 4], first pass results in [3, 5, 4, 8].
It continues until no swaps are needed, indicating the array is sorted.
Best case time complexity is O(n) when the array is already sorted.
Worst and average case time ...
CDS stands for Credit Default Swap, a financial derivative used to transfer credit risk between parties.
CDS is a type of insurance contract where one party pays a premium to another party in exchange for protection against a credit event, such as default or bankruptcy.
The buyer of a CDS makes periodic payments to the seller, who agrees to compensate the buyer in the event of a credit event on a specified reference asse...
Options strategies involve buying and selling options contracts to achieve specific investment goals.
Buy Call Option: Bullish strategy where investor expects the price of the underlying asset to rise.
Buy Put Option: Bearish strategy where investor expects the price of the underlying asset to fall.
Covered Call: Selling a call option while holding the underlying asset to generate income.
Straddle: Buying both a call and p...
Options strategies involve buying or selling options contracts to achieve specific investment goals.
Some common options strategies include covered calls, protective puts, straddles, and iron condors.
Covered calls involve selling call options on a stock you own to generate income.
Protective puts involve buying put options to protect against a decline in the value of a stock.
Straddles involve buying both a call and a put...
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
I have a Bachelor's degree in Statistics and experience in analyzing large datasets
I am proficient in using statistical software such as R and Python
I have a proven track record of delivering actionable insights to drive business decisions
I applied via Approached by Company and was interviewed before May 2023. There were 2 interview rounds.
Current CTC, Expected CTC, total years of experience are common questions in job interviews to gauge candidate's salary expectations and experience level.
Current CTC refers to the candidate's current salary or compensation package.
Expected CTC is the salary or compensation package the candidate is looking for in the new role.
Total years of experience includes all relevant work experience in the field.
It is important to...
I applied via Referral and was interviewed before Dec 2022. There were 2 interview rounds.
Explaining each line item on a resume
Provide a brief overview of each job position, including responsibilities and achievements
Explain any relevant education or certifications
Discuss any relevant skills or qualifications
Include any volunteer work or extracurricular activities that demonstrate relevant experience
I applied via Referral and was interviewed before Nov 2021. There were 5 interview rounds.
I have a diverse background in data analysis, project management, and financial modeling, with a strong focus on delivering insights.
Graduated with a degree in Economics, where I developed a strong foundation in statistical analysis and economic theory.
Interned at XYZ Corp, where I assisted in data collection and analysis for market research projects, improving report accuracy by 20%.
Worked as a Junior Analyst at ABC L...
I bring a unique blend of analytical skills, relevant experience, and a passion for data-driven decision-making to this role.
Strong analytical skills: I have experience using tools like Excel and SQL to analyze large datasets, leading to actionable insights.
Relevant experience: In my previous role, I successfully identified trends that improved operational efficiency by 20%.
Attention to detail: I consistently ensure da...
I applied via Recruitment Consulltant and was interviewed before Sep 2022. There were 2 interview rounds.
I applied via Referral and was interviewed before May 2022. There were 3 interview rounds.
Hedge funds are alternative investment vehicles that use pooled funds to employ various strategies to generate high returns.
Hedge funds are privately owned and managed investment funds
They use a variety of investment strategies such as long-short equity, global macro, and event-driven
They are typically only available to accredited investors due to their high-risk nature
Components of financial statements include balance...
I am a detail-oriented analyst with knowledge of various Excel functions.
I am proficient in basic functions such as SUM, AVERAGE, MAX, MIN, COUNT, etc.
I am also familiar with more advanced functions such as VLOOKUP, HLOOKUP, INDEX, MATCH, IF, AND, OR, etc.
I have experience using PivotTables, PivotCharts, and creating macros to automate tasks.
I am constantly learning and exploring new functions to improve my skills.
I applied via Naukri.com and was interviewed before Oct 2020. There was 1 interview round.
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