WatchGuard Technologies Full Stack Software Developer Interview Questions and Answers

Total 60 question 30 from C/C++ output and 30 from profit-loss, find age and related to ratio

Q1. Dsa coding question, aptitude, oops, rdbms(joins and normalization)
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Q2. Rotate materix(nxn) 90 degree
Ans. 
To rotate a matrix 90 degrees, transpose the matrix and then reverse each row.
• Transpose the matrix by swapping matrix[i][j] with matrix[j][i]

• Reverse each row of the transposed matrix to get the final rotated matrix
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Q3. A pattern printing question
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Q4. Reverse doubli-linkedlist
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Q5. Preorder traversal without using recursion
Ans. 
Iterative solution to perform preorder traversal without using recursion
• Use a stack to keep track of nodes

• Start by pushing the root node onto the stack

• While the stack is not empty, pop a node, visit it, then push its right child followed by its left child onto the stack
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Q1. Introduce yourself
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Q2. Why you chose b.tech
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Q3. Why you chose cse
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