Genesis Technologies Interview Questions and Answers

I have to wait very long

Take too much time for result and it also pen paper

Once again advance coding round with pen paper

Q1. Explain two sum
Ans. 
Two sum is a problem where you have to find two numbers in an array that add up to a specific target.
• Iterate through the array and for each element, check if the difference between the target and the current element exists in a hash map.

• If it does, return the indices of the current element and the element in the hash map.

• Example: Given nums = [2, 7, 11, 15], target = 9, return [0, 1] as nums[0] + nums[1] = 2 + 7 = 9.
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Q2. Explain left ladder
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Left ladder is a programming concept used to describe the order in which operations are performed in an expression.
• In left ladder, operations are performed from left to right.

• It follows the order of operations (PEMDAS/BODMAS) where parentheses are evaluated first, followed by exponents, multiplication and division, and finally addition and subtraction.

• For example, in the expression 2 + 3 * 4, the multiplication operati...read more
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First round of Aptitude / Verbal / Computer basics questions overall 50 marks

Basic aptitude questions

Moderate strings and pattern

Basically it was a screening test and It was easy to clear
Aptitude round consists of aptitude, reasoning, English,basics of programming, computer concepts after clearing aptitude round
Come to the English round in which you have to write an essay
And then there is a programming round in which you have to do 4 que in which one is of SQL

Q1. Strings, hashmap, pattern based que
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Q2. Arrays and strings and pattern based que
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Q1. Technical interview which was also easy but they asked to solve 1 program in more than 2 ways
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Q2. To solve a program which removes the duplicate characters from the string using asingle loop
Ans. 
The program removes duplicate characters from a string using a single loop.
• Iterate through each character in the string

• Check if the character is already present in a separate array

• If not present, add it to the array

• Finally, concatenate the characters in the array to form the resulting string
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