What are all the other subsequences of abcab

Assignment Help Basic Computer Science

Reference no: EM131212316

A string s is a subsequence of a string t if s is formed from t by deleting 0 or more positions of t. For example, if t = "abcab", then substrings of t include "aba" (delete positions 3 and 5), "be" (delete positions 1, 4, and 5), and the empty string (delete all positions).

a) What are all the other subsequences of "abcab"?

b) What are the subsequences of "aabb"?

c) If a string consists of n distinct characters, how many subsequences does it have?

Reference no: EM131212316

Questions Cloud

Show that these similarity and merge functions have the icar : Note that NULL disagrees with any non null value. Show that these similarity and merge functions have the ICAR properties.

Factoring out the greatest common factor : 1. Write factored form by factoring out the greatest common factor or a negative common factor if the coefficient of the term of greatest degree is negative -28x^5-4x^4

Calculate the market value of catherines bonds : Bonds payable - Calculate market value On March 1, 2011, Catherine purchased $90,000 of Tyson's Co.'s 10%, 20- year bonds at face value. Tyson Co. has regularly paid the annual interest due on the bonds. On march 1, 2016, market interest rates had ri..

What is steven current grade : a. What is Steven's current grade? Show work and/or describe process to defend your solution. b. Steven's instructor is going to give a culminating project that will be worth 80 points. Write an equation/inequality that models what score Steven w..

What are all the other subsequences of abcab : A string s is a subsequence of a string t if s is formed from t by deleting 0 or more positions of t. For example, if t = "abcab", then substrings of t include "aba" (delete positions 3 and 5), "be" (delete positions 1, 4, and 5), and the empty st..

Develop an essay discussing the monetary policies adopted : Develop an essay discussing the fiscal and the monetary policies adopted and implemented by the federal during the Great Recession and their impacts on the U.S. economy.

Determine the different possibilities : A coin is tossed three times and the sequence of heads and tails is recorded. Use a tree diagram to determine the different possibilities.

How much is the direct labor efficiency variance : The following information describes a company’s usage of direct labor in a recent period: Actual direct labor hours used 32,500 Actual rate per hour $18.00 Standard rate per hour $16.50 Standard hours for units produced 32,000 How much is the direct ..

Describe five different methods of cancer prevention : Describe five different methods of cancer prevention. Explain three potential risks of genetic engineering technology. Why are viruses the perfect carriers of healthy genes in the field of gene therapy?

User Account

All Pages