Question
Consider the standard dynamic programming approach to find the length of the Longest Common Subsequence (LC
- S of two strings, text1 and text2. The dp table is initialized with dimensions (len(text1) + 1) x (len(text2) + 1). Given text1 = "ABC" and text2 = "AXBY", what will be the value of dp[0][3] and dp[2][0] after the initialization and the first row/column filling steps of the following Python code? def lcs_length(text1, text2): m = len(text1) n = len(text2) dp = [[0] * (n + 1) for _ in range(m + 1)] # Initialization (first row and column are already 0 by default in Python list comprehension) # for i in range(m + 1): # dp[i][0] = 0 # for j in range(n + 1): # dp[0][j] = 0 # Filling the DP table for i in range(1, m + 1): for j in range(1, n + 1): if text1[i - 1] == text2[j - 1]: dp[i][j] = 1 + dp[i - 1][j - 1] else: dp[i][j] = max(dp[i - 1][j], dp[i][j - 1]) return dp[m][n] # For this question, we only care about the state after initialization # and before the main loops start filling values beyond the first row/column. # The Python list comprehension [[0] * (n + 1) for _ in range(m + 1)] # already initializes all cells to 0.
More Data Structure Questions
- Fibonacci heaps support which operation in O(1) amortized time?
- Which type of AI is primarily used for adaptive mobile applications like virtual assistants?
- What is the result of evaluating the following postfix expression using a stack-based evaluation: 2 3 4 * + 5 -
- What is "rubber duck debugging"?
- Which testing type evaluates internal code logic and control flow?
- Which of the following statements best describes polymorphism in object-oriented programming?
- In CI/CD pipelines, which of the following is NOT a key benefit of Continuous Integration (CI)?
- In a compiler's code flow, which operation is primarily used to manage function call contexts (local variables, return addresses) during program execution?
- Which of the following techniques is most efficient for finding the kth smallest element in a Binary Search Tree (BST)?
- In Python, what will be the output of the following code snippet, considering scope rules? x = 5 def func(): x = 10 def inner...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)