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How to Solve Double Modular Exponentiation Problem
Master the Double Modular Exponentiation LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Medium#2961
LeetCode ProblemDouble Modular Exponentiation
You are given a 0-indexed 2D array variables where variables[i] = [ai, bi, ci, mi], and an integer target. An index i is good if the following formula holds: Return an array consisting of good indices in any order.
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Problem Breakdown
Understanding the Double Modular Exponentiation Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given a 0-indexed 2D array variables where variables[i] = [ai, bi, ci, mi], and an integer target. An index i is good if the following formula holds: Return an array consisting of good indices in any order.
MediumProblem #2961
LeetCodeDouble Modular Exponentiation
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How PhantomCodeAI Helps
Get real-time assistance for Double Modular Exponentiation problems during coding interviews. PhantomCodeAI provides instant solutions and explanations.
Examples
# Example 1
Input
variables = [[2,3,3,10],[3,3,3,1],[6,1,1,4]], target = 2
Output
[0,2]
# Example 2
Input
variables = [[39,3,1000,1000]], target = 17
Output
[]
Constraints
1 <= variables.length <= 100
variables[i] == [ai, bi, ci, mi]
1 <= ai, bi, ci, mi <= 103
0 <= target <= 103
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Solve Double Modular Exponentiation — You are given a 0-indexed 2D array variables where variables[i] = [ai, bi, ci, m...
Here's the optimal approach using Array:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Double Modular Exponentiation and using PhantomCodeAI during coding interviews.
How does PhantomCodeAI help with LeetCode problems during a coding interview?
PhantomCodeAI reads the problem from a screenshot or listens to it via audio, then generates a complete solution with a step-by-step approach and time/space complexity, so you can focus on explaining your reasoning rather than getting stuck on implementation.
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Can PhantomCodeAI handle follow-up questions and modifications?
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Should I still practice these problems on my own first?
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