- Computer Science Engineering (CSE)
- Design and Analysis of Algorithms
- What is the length of the longest palind...

Q. |
## What is the length of the longest palindromic subsequence for the string “ababcdabba”? |

A. | 6 |

B. | 7 |

C. | 8 |

D. | 9 |

Answer» B. 7 | |

Explanation: the longest palindromic subsequence is “abbabba” and its length is 7. |

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Design and Analysis of Algorithms

- The longest increasing subsequence problem is a problem to find the length of a subsequence from a sequence of array elements such that the subsequence is sorted in increasing order and it’s length is maximum. This problem can be solved using
- Which of the following is not a palindromic subsequence of the string “ababcdabba”?
- For which of the following, the length of the string is not equal to the length of the longest palindromic subsequence?
- For every non-empty string, the length of the longest palindromic subsequence is at least one.
- What is the time complexity of the brute force algorithm used to find the length of the longest palindromic subsequence?
- Which of the following methods can be used to solve the longest palindromic subsequence problem?
- Longest palindromic subsequence is an example of
- For any given sequence, there will ALWAYS be a unique increasing subsequence with the longest length.
- Consider the strings “PQRSTPQRS” and “PRATPBRQRPS”. What is the length of the longest common subsequence?
- Given a string, you have to find the minimum number of characters to be inserted in the string so that the string becomes a palindrome. Which of the following methods can be used to solve the problem?

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