"Reinforcement Learning is a type of machine learning where an agent learns to make decisions by trying out different actions and receiving rewards or penalties in return. The goal is to learn, over time, which actions yield the highest rewards.
There are three core components in RL:
The agent — the learner or decision-maker (e.g., an algorithm or robot),
The environment — everything the agent interacts with,
Actions and rewards — the agent takes actions, and the environmen"
Constantin P. - "Reinforcement Learning is a type of machine learning where an agent learns to make decisions by trying out different actions and receiving rewards or penalties in return. The goal is to learn, over time, which actions yield the highest rewards.
There are three core components in RL:
The agent — the learner or decision-maker (e.g., an algorithm or robot),
The environment — everything the agent interacts with,
Actions and rewards — the agent takes actions, and the environmen"See full answer
"Let’s say the matrix is m x n (i.e., m rows and n columns).
Start from the top-right corner of the matrix.
Move left if you see a 1.
Move down if you see a 0.
Keep track of the row index where you last saw the leftmost 1 — that row has the most 1s.
public class MaxOnesRow {
public static int rowWithMostOnes(int matrix) {
int rows = matrix.length;
int cols = matrix[0].length;
int maxRowIndex = -1;
int j = cols - 1; /"
Khushbu R. - "Let’s say the matrix is m x n (i.e., m rows and n columns).
Start from the top-right corner of the matrix.
Move left if you see a 1.
Move down if you see a 0.
Keep track of the row index where you last saw the leftmost 1 — that row has the most 1s.
public class MaxOnesRow {
public static int rowWithMostOnes(int matrix) {
int rows = matrix.length;
int cols = matrix[0].length;
int maxRowIndex = -1;
int j = cols - 1; /"See full answer
"This is another Diagnosis problem. To answer this question, we suggest you use our framework (along with the TROPIC method) to be as thorough as possible. The framework is as follows:
Ask clarifying questions
List potential high level reasons
Gather Context (TROPIC)Time
Region
Other features / products (internal)
Platform
Industry / Competition
Cannibalization
Establish a theory of probable cause
Test theories
Propose solutions
Summarize
"
Exponent - "This is another Diagnosis problem. To answer this question, we suggest you use our framework (along with the TROPIC method) to be as thorough as possible. The framework is as follows:
Ask clarifying questions
List potential high level reasons
Gather Context (TROPIC)Time
Region
Other features / products (internal)
Platform
Industry / Competition
Cannibalization
Establish a theory of probable cause
Test theories
Propose solutions
Summarize
"See full answer
"You should be able to easily identify this as a Measure Success question. These kinds of questions are used to test your analytical skills, as well as your ability to track project progress post-launch.
Recall the strategy for tackling them methodically and thoroughly:
Ask clarifying questions
State the goal of the feature / product
Behavior Mapping / UX Flow Mapping
Provide criteria to prioritize metrics
Prioritize metrics
Summarize
Let's begin!
"
Exponent - "You should be able to easily identify this as a Measure Success question. These kinds of questions are used to test your analytical skills, as well as your ability to track project progress post-launch.
Recall the strategy for tackling them methodically and thoroughly:
Ask clarifying questions
State the goal of the feature / product
Behavior Mapping / UX Flow Mapping
Provide criteria to prioritize metrics
Prioritize metrics
Summarize
Let's begin!
"See full answer
"First, let's align the Airbnb homepage with Airbnb's mission. Airbnb's mission is to "create a world where anyone can belong anywhere by providing healthy travel that is local, authentic, diverse, inclusive and sustainable." The homepage serves as the primary entry point for both potential guests and hosts, setting the stage for their journey and embodying this mission.
Now, for the goals of Airbnb homepage, we can consider different aspects like awareness, engagement, and ultimately, driving bo"
Rohit K. - "First, let's align the Airbnb homepage with Airbnb's mission. Airbnb's mission is to "create a world where anyone can belong anywhere by providing healthy travel that is local, authentic, diverse, inclusive and sustainable." The homepage serves as the primary entry point for both potential guests and hosts, setting the stage for their journey and embodying this mission.
Now, for the goals of Airbnb homepage, we can consider different aspects like awareness, engagement, and ultimately, driving bo"See full answer
"For a fully autonomous car, the car interior is the core of the customer experience since the customer focus is inside of car, not outside of the car. To make this experience superior, we need to consider the aspects that contribute to this- from the perspective of features and quality. Features would include (1) Seating: ample leg room, flexible seating, reclining; massage, heat on seats. (2)Storage: Cup holders- for hot/cold beverages, flexible tilt-able table top for laptop/Ipad display; (3)"
Leena M. - "For a fully autonomous car, the car interior is the core of the customer experience since the customer focus is inside of car, not outside of the car. To make this experience superior, we need to consider the aspects that contribute to this- from the perspective of features and quality. Features would include (1) Seating: ample leg room, flexible seating, reclining; massage, heat on seats. (2)Storage: Cup holders- for hot/cold beverages, flexible tilt-able table top for laptop/Ipad display; (3)"See full answer
"I try to solve this initially using quick select where will take a pivot element and position the remaining elements and check if the current index is answer or not and continue the same but it requires o(n*n), but interviewee is expecting the best from me, so at the end i tried solving using heaps where will check the difference between k and n-k to use min or max heap after that we will heap the array, and will keep popping the element k-1 and return the peek one which leads to answer."
Mourya C. - "I try to solve this initially using quick select where will take a pivot element and position the remaining elements and check if the current index is answer or not and continue the same but it requires o(n*n), but interviewee is expecting the best from me, so at the end i tried solving using heaps where will check the difference between k and n-k to use min or max heap after that we will heap the array, and will keep popping the element k-1 and return the peek one which leads to answer."See full answer
"SELECT
p1.player_name AS player1,
p2.player_name AS player2,
ABS(p1.level - p2.level) AS level_disparity
FROM
players p1
JOIN
players p2 ON p1.playername < p2.playername
WHERE
ABS(p1.level - p2.level) <= 5
ORDER BY
level_disparity ASC;"
Jayveer S. - "SELECT
p1.player_name AS player1,
p2.player_name AS player2,
ABS(p1.level - p2.level) AS level_disparity
FROM
players p1
JOIN
players p2 ON p1.playername < p2.playername
WHERE
ABS(p1.level - p2.level) <= 5
ORDER BY
level_disparity ASC;"See full answer