Arms Quality and Trainer Interview Questions and Answers

Round duration - 40 minutes
Round difficulty - Medium

Round duration - 15 minutes
Round difficulty - Easy

Q1. 
Count Subsequences Problem Statement
Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.
Explanation:
A subsequence of an array i...read more
Ans. 
The task is to count the number of subsequences in an array where all elements are equal.
• Iterate through the array and count the frequency of each element.

• For each element, calculate the number of subsequences using the formula (2^frequency - 1).

• Multiply the counts for each element to get the total number of subsequences.

• Print the result modulo 10^9 + 7.
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Round duration - 120 minutes
Round difficulty - Easy

Q1. 
Maximum Difference Problem Statement
Given an array ARR of N elements, your task is to find the maximum difference between any two elements in ARR.
If the maximum difference is even, print EVEN; if it is...read more
Ans. 
Find the maximum difference between any two elements in an array and determine if it is even or odd.
• Iterate through the array to find the maximum and minimum elements

• Calculate the difference between the maximum and minimum elements

• Check if the difference is even or odd and return the result
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