Zidio Development Web Developer Interview Questions and Answers

1st round we had 3 coding question that has to be written(Easy,Medium,Hard)

We had Gd with self intro

Q1. Tell me about Yourself
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Q2. He gave me a coding question
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DSA coding easy ,time complexity,space complexity

Q1. Tiktactoo logic,SQL,
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Q2. Tell about yourself
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Written Coding Test - Arrays, Matrix in any language

GD is Group Discussion only shortlisted students will attend GD Round

Q1. I've not attended
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Q2. Then there will be a HR Round
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Coding test in any language

Any topics for the GD

Q1. Experience about the java script
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Q2. My work experience about the java scirpt
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Q3. Palindrome in any code language
Ans. 
A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
• Check if the input string is equal to its reverse

• Ignore spaces and punctuation when checking for palindromes

• Convert the input string to lowercase for case-insensitive comparison
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Q4. Other general maths programming questions
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Q1. Peak element in array
Ans. 
A peak element in an array is an element that is greater than or equal to its neighbors.
• Iterate through the array and check if the current element is greater than its neighbors.

• If the element at index i is greater than or equal to elements at indices i-1 and i+1, it is a peak element.

• Example: ['1', '3', '2', '4', '1'] has peak elements at index 1 and 3.
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Q2. 2 dimentional array rotate 90 degree
Ans. 
Rotate a 2D array by 90 degrees clockwise
• Transpose the array

• Reverse each row of the transposed array
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Pollitices current generation

Q1. What is your experience
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Q2. Reverse given string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string and build a new string in reverse order

• Alternatively, you can use built-in functions like reverse() or StringBuilder in some programming languages
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Q3. How to find if string is palindrome
Ans. 
Check if a string reads the same forwards and backwards
• Iterate through the string from both ends and compare characters

• Use built-in functions like reverse() or slice() to check for palindrome

• Ignore spaces and punctuation when checking for palindrome
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