
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- Description Xiao Zhang is often distressed because there are too many things to arrange. Now he has n tasks at hand, and each task has a starting times, and an ending time e;. To complete a task, he must do it from the starting time to the ending time, and Xiao Zhang can only perform one task at the same time. Xiao Zhang wants to know how many tasks he can accomplish at most. Input The first line is an integer n (1sns300000), indicating the number of tasks Xiao Zhang has at hand. In the next n lines, each line contains two integers s₁, e¡ (1≤s;arrow_forwardConvert Newton's method for approximating square roots in Project 1 to a recursive function named newton . (Hint: The estimate of the square root should be passed as a second argument to the function.) An example of the program input and output is shown below: Enter a positive number or enter/return to quit: 2 The program's estimate is 1.4142135623746899 Python's estimate is 1.4142135623730951 Enter a positive number or enter/return to quitarrow_forwardA palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward, disregarding spaces, punctuation, and capitalization. Write a function isPalindrome that takes in a string s and returns a boolean value indicating whether s is a palindrome. Example: Input: s = "racecar" Output: true Input: s = "Hello" Output: false Input: s = "A man, a plan, a canal, Panama" Output: true Input: s = "12321" Output: true Note: The input string may contain spaces, punctuation, and capitalization, but they should be disregarded while checking for palindromes. An empty string is considered a palindrome.arrow_forward
- Design an algorithm for a problem that processes results of a swimming competition. The program will set a number of competitors, obtain their names from the user, and uses random number generator to get the results (in seconds, as real numbers with three digits after the decimal point). Then it will find and display the average timefor all competitors, andthe names and best three results (first, second, and third places). 1. Set a number of competitors as a constant TOTAL (no more than 10) 2. Declare two arrays to hold names and results (an actual array should have different name than the formal array in the function definitions) 3. Call functions to fill the arrays with names (user entries) and results (random decimal numbers) 4. Print all names and results as a table with appropriate titles 5. Display the average time (by calling function getAverage()) 6. Sort the array of results and corresponding names 7. Print names and results for the first three places (first…arrow_forwardWritten in Python as well as screenshotted accepting user input and computed valuesarrow_forward
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