Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Given a string str and number n, write a program that recursively appends a copy of string str n times and returns the resulting string. For example:
RecuriveCopy("a", 10)
// -> "aaaaaaaaaaa"
RecursiveCopy("blah", 5)
// -> "blahblahblahblahblahblah"
For this exercise, complete the following function. n is the number of copies to add to str:
function RecursiveCopy(str, n) {
// your code here
}
Part 2: Call RecursiveCopy
Write another function that calls RecursiveCopy() and returns the following string output: "The resulting string [x] has [y] characters". [x] should be replaced by the
result from RecursiveCopy) and [y] should be replaced by the number of characters in the resulting string. You may pick the arguments to RecursiveCopy in
CountChars or have the user provide input. I will leave this up to you.
function CountChars() {
}
// your code here
// call RecursiveCopy(..)
// returns a formatted string
For example:
console.log(CountChars())
// -> "The resulting string blahblahblahblah has 16 characters"
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Transcribed Image Text:Given a string str and number n, write a program that recursively appends a copy of string str n times and returns the resulting string. For example: RecuriveCopy("a", 10) // -> "aaaaaaaaaaa" RecursiveCopy("blah", 5) // -> "blahblahblahblahblahblah" For this exercise, complete the following function. n is the number of copies to add to str: function RecursiveCopy(str, n) { // your code here } Part 2: Call RecursiveCopy Write another function that calls RecursiveCopy() and returns the following string output: "The resulting string [x] has [y] characters". [x] should be replaced by the result from RecursiveCopy) and [y] should be replaced by the number of characters in the resulting string. You may pick the arguments to RecursiveCopy in CountChars or have the user provide input. I will leave this up to you. function CountChars() { } // your code here // call RecursiveCopy(..) // returns a formatted string For example: console.log(CountChars()) // -> "The resulting string blahblahblahblah has 16 characters"
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