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There are 2 questions Both are average everyone can do.
Left view of Binary tree is the set of nodes visible when the tree is viewed from the left side.
Traverse the tree level by level from left to right
Keep track of the first node encountered at each level
Example: For a tree with root node A and left children B and C, the left view would be [A, B]
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posted on 21 Jul 2024
Models in Laravel are used to interact with the database and represent data.
Models in Laravel are used to perform database operations such as retrieving, inserting, updating, and deleting data.
Models help in organizing and structuring the data in the application.
Models in Laravel follow the MVC (Model-View-Controller) pattern.
Example: Creating a User model in Laravel to interact with the users table in the database.
SQL joins are used to combine rows from two or more tables based on a related column between them.
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
INNER JOIN returns rows when there is at least one match in both tables.
LEFT JOIN returns all rows from the left table and the matched rows from the right table.
RIGHT JOIN returns all rows from the right table and the matched rows from the left table.
F...
posted on 5 Apr 2024
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 2 interview rounds.
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
There were 3 coding questions totally based on dsa- hard
Use Dijkstra's algorithm to find the node with the shortest distance in a graph.
Implement Dijkstra's algorithm to calculate the shortest distance from a starting node to all other nodes in the graph.
Select the node with the smallest distance that has not been visited yet as the current node.
Update the distances of neighboring nodes from the current node if the new distance is smaller than the previously recorded distan...
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
It was 1 hour long and was asked to pass all the test cases.
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
To minimize the sum of grid cells in a square matrix, flip rows or columns as needed.
Identify the rows or columns with the highest values and consider flipping them to reduce the sum
Try different combinations of flipping rows and columns to find the minimum sum
Consider using dynamic programming or backtracking to efficiently explore all possible combinations
I applied via Campus Placement and was interviewed before Oct 2023. There was 1 interview round.
Dsa -> questions on trees, linked list, stack, dynamic programming
I applied via Campus Placement and was interviewed before Nov 2023. There were 2 interview rounds.
Leetcode medium to hard
I was interviewed in Oct 2024.
Polyfills,html,css basics,js intermediate level
Hackerrank LeetCode 2 Hard questions and 1 medium
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